mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-25 12:25:10 -08:00
289 lines
9.0 KiB
JavaScript
289 lines
9.0 KiB
JavaScript
// TIC TAC TOE 2
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//
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// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
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//
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function print(str)
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{
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document.getElementById("output").appendChild(document.createTextNode(str));
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}
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function input()
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{
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var input_element;
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var input_str;
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return new Promise(function (resolve) {
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input_element = document.createElement("INPUT");
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print("? ");
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input_element.setAttribute("type", "text");
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input_element.setAttribute("length", "50");
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document.getElementById("output").appendChild(input_element);
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input_element.focus();
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input_str = undefined;
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input_element.addEventListener("keydown", function (event) {
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if (event.keyCode == 13) {
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input_str = input_element.value;
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document.getElementById("output").removeChild(input_element);
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print(input_str);
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print("\n");
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resolve(input_str);
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}
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});
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});
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}
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function tab(space)
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{
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var str = "";
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while (space-- > 0)
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str += " ";
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return str;
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}
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var s = [];
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function who_win(piece)
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{
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if (piece == -1) {
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print("I WIN, TURKEY!!!\n");
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} else if (piece == 1) {
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print("YOU BEAT ME!! GOOD GAME.\n");
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}
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}
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function show_board()
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{
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print("\n");
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for (i = 1; i <= 9; i++) {
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print(" ");
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if (s[i] == -1) {
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print(qs + " ");
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} else if (s[i] == 0) {
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print(" ");
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} else {
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print(ps + " ");
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}
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if (i == 3 || i == 6) {
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print("\n");
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print("---+---+---\n");
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} else if (i != 9) {
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print("!");
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}
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}
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print("\n");
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print("\n");
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print("\n");
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for (i = 1; i <= 7; i += 3) {
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if (s[i] && s[i] == s[i + 1] && s[i] == s[i + 2]) {
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who_win(s[i]);
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return true;
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}
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}
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for (i = 1; i <= 3; i++) {
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if (s[i] && s[i] == s[i + 3] && s[i] == s[i + 6]) {
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who_win(s[i]);
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return true;
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}
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}
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if (s[1] && s[1] == s[5] && s[1] == s[9]) {
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who_win(s[1]);
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return true;
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}
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if (s[3] && s[3] == s[5] && s[3] == s[7]) {
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who_win(s[3]);
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return true;
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}
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for (i = 1; i <= 9; i++) {
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if (s[i] == 0)
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break;
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}
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if (i > 9) {
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print("IT'S A DRAW. THANK YOU.\n");
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return true;
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}
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return false;
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}
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// Main control section
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async function main()
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{
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print(tab(30) + "TIC-TAC-TOE\n");
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print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
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print("\n");
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print("\n");
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print("\n");
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for (i = 1; i <= 9; i++)
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s[i] = 0;
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print("THE BOARD IS NUMBERED:\n");
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print(" 1 2 3\n");
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print(" 4 5 6\n");
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print(" 7 8 9\n");
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print("\n");
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print("\n");
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print("\n");
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print("DO YOU WANT 'X' OR 'O'");
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str = await input();
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if (str == "X") {
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ps = "X";
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qs = "O";
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first_time = true;
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} else {
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ps = "O";
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qs = "X";
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first_time = false;
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}
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while (1) {
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if (!first_time) {
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g = -1;
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h = 1;
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if (s[5] == 0) {
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s[5] = -1;
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} else if (s[5] == 1 && s[1] == 0) {
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s[1] = -1;
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} else if (s[5] != 1 && s[2] == 1 && s[1] == 0 || s[5] != 1 && s[4] == 1 && s[1] == 0) {
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s[1] = -1;
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} else if (s[5] != 1 && s[6] == 1 && s[9] == 0 || s[5] != 1 && s[8] == 1 && s[9] == 0) {
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s[9] = -1;
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} else {
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while (1) {
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played = false;
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if (g == 1) {
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j = 3 * Math.floor((m - 1) / 3) + 1;
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if (3 * Math.floor((m - 1) / 3) + 1 == m)
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k = 1;
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if (3 * Math.floor((m - 1) / 3) + 2 == m)
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k = 2;
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if (3 * Math.floor((m - 1) / 3) + 3 == m)
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k = 3;
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} else {
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j = 1;
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k = 1;
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}
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while (1) {
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if (s[j] == g) {
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if (s[j + 2] == g) {
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if (s[j + 1] == 0) {
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s[j + 1] = -1;
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played = true;
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break;
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}
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} else {
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if (s[j + 2] == 0 && s[j + 1] == g) {
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s[j + 2] = -1;
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played = true;
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break;
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}
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}
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} else {
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if (s[j] != h && s[j + 2] == g && s[j + 1] == g) {
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s[j] = -1;
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played = true;
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break;
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}
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}
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if (s[k] == g) {
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if (s[k + 6] == g) {
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if (s[k + 3] == 0) {
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s[k + 3] = -1;
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played = true;
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break;
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}
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} else {
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if (s[k + 6] == 0 && s[k + 3] == g) {
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s[k + 6] = -1;
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played = true;
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break;
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}
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}
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} else {
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if (s[k] != h && s[k + 6] == g && s[k + 3] == g) {
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s[k] = -1;
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played = true;
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break;
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}
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}
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if (g == 1)
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break;
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if (j == 7 && k == 3)
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break;
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k++;
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if (k > 3) {
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k = 1;
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j += 3;
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if (j > 7)
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break;
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}
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}
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if (!played) {
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if (s[5] == g) {
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if (s[3] == g && s[7] == 0) {
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s[7] = -1;
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played = true;
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} else if (s[9] == g && s[1] == 0) {
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s[1] = -1;
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played = true;
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} else if (s[7] == g && s[3] == 0) {
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s[3] = -1;
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played = true;
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} else if (s[9] == 0 && s[1] == g) {
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s[9] = -1;
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played = true;
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}
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}
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if (!played) {
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if (g == -1) {
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g = 1;
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h = -1;
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}
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}
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}
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if (played)
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break;
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}
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if (!played) {
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if (s[9] == 1 && s[3] == 0 && s[1] != 1) {
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s[3] = -1;
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} else {
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for (i = 2; i <= 9; i++) {
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if (s[i] == 0) {
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s[i] = -1;
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break;
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}
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}
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if (i > 9) {
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s[1] = -1;
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}
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}
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}
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}
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print("\n");
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print("THE COMPUTER MOVES TO...");
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if (show_board())
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break;
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}
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first_time = false;
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while (1) {
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print("\n");
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print("WHERE DO YOU MOVE");
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m = parseInt(await input());
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if (m == 0) {
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print("THANKS FOR THE GAME.\n");
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break;
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}
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if (m >= 1 && m <= 9 && s[m] == 0)
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break;
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print("THAT SQUARE IS OCCUPIED.\n");
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print("\n");
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print("\n");
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}
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g = 1;
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s[m] = 1;
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if (show_board())
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break;
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}
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}
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main();
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