#include <stdio.h> #include <time.h> #include <stdlib.h> void playerturn(); void computerturn(); void hardcomputerturn(); int attack(); int protect(); int playerwin(); int computerwin(); int draw(); int full[9] = { 0, }; char matrix[3][3] = { '1', '2', '3', '4', '5', '6', '7', '8', '9' }; int main(){ int a = 0; int first; int level; int levelfirst; int replay; srand((unsigned)time(NULL)); printf("난이도를 골라주세요. 1.easy 2.hard\n"); scanf("%d", &level); printf("누가 먼저 할껀가요? 1.사람 2. 컴퓨터\n"); scanf("%d", &first); if (level == 1 && first == 1) levelfirst = 1; else if (level == 1 && first == 2) levelfirst = 2; else if (level == 2 && first == 1) levelfirst = 3; else levelfirst = 4; system("cls"); for (;;){ printf("┌─┬─┬─┐\n"); printf("│%c │%c │%c │\n", matrix[0][0], matrix[0][1], matrix[0][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[1][0], matrix[1][1], matrix[1][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[2][0], matrix[2][1], matrix[2][2]); printf("└─┴─┴─┘\n"); if (levelfirst == 1) { playerturn(); levelfirst = 2; } else if (levelfirst == 2) { computerturn(); levelfirst = 1; } else if (levelfirst == 3) { playerturn(); levelfirst = 4; } else if (levelfirst == 4) { if (full[4] == 0) { matrix[1][1] = 'X'; full[4] = 2; levelfirst = 3; } else { hardcomputerturn(); levelfirst = 3; } } if (playerwin() == 1){ system("cls"); printf("┌─┬─┬─┐\n"); printf("│%c │%c │%c │\n", matrix[0][0], matrix[0][1], matrix[0][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[1][0], matrix[1][1], matrix[1][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[2][0], matrix[2][1], matrix[2][2]); printf("└─┴─┴─┘\n"); printf("YOU WIN!!!\n"); break; } if (computerwin() == 1){ system("cls"); printf("┌─┬─┬─┐\n"); printf("│%c │%c │%c │\n", matrix[0][0], matrix[0][1], matrix[0][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[1][0], matrix[1][1], matrix[1][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[2][0], matrix[2][1], matrix[2][2]); printf("└─┴─┴─┘\n"); printf("You lose...\n"); break; } if (draw() == 1){ system("cls"); printf("┌─┬─┬─┐\n"); printf("│%c │%c │%c │\n", matrix[0][0], matrix[0][1], matrix[0][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[1][0], matrix[1][1], matrix[1][2]); printf("├─┼─┼─┤\n"); printf("│%c │%c │%c │\n", matrix[2][0], matrix[2][1], matrix[2][2]); printf("└─┴─┴─┘\n"); printf("Draw\n"); break; } system("cls"); } return 0; } void playerturn() { int place = 0; int playerturnfinish = 0; printf("번호를 고르시오.\n"); for (; playerturnfinish != 1;){ scanf("%d", &place); if (place == 1) { if (full[0] == 0) { matrix[0][0] = 'O'; full[0] = 1; playerturnfinish = 1; } else if (full[0] == 1 || full[0] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 2) { if (full[1] == 0) { matrix[0][1] = 'O'; full[1] = 1; playerturnfinish = 1; } else if (full[1] == 1 || full[1] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 3) { if (full[2] == 0) { matrix[0][2] = 'O'; full[2] = 1; playerturnfinish = 1; } else if (full[2] == 1 || full[2] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 4) { if (full[3] == 0) { matrix[1][0] = 'O'; full[3] = 1; playerturnfinish = 1; } else if (full[3] == 1 || full[3] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 5) { if (full[4] == 0) { matrix[1][1] = 'O'; full[4] = 1; playerturnfinish = 1; } else if (full[4] == 1 || full[4] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 6) { if (full[5] == 0) { matrix[1][2] = 'O'; full[5] = 1; playerturnfinish = 1; } else if (full[5] == 1 || full[5] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 7) { if (full[6] == 0) { matrix[2][0] = 'O'; full[6] = 1; playerturnfinish = 1; } else if (full[6] == 1 || full[6] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 8) { if (full[7] == 0) { matrix[2][1] = 'O'; full[7] = 1; playerturnfinish = 1; } else if (full[7] == 1 || full[7] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } else if (place == 9) { if (full[8] == 0) { matrix[2][2] = 'O'; full[8] = 1; playerturnfinish = 1; } else if (full[8] == 1 || full[8] == 2) { printf("이미 기호가 존재합니다. 다른 번호를 눌러주세요.\n"); continue; } } } } void computerturn() { int place = 0; int computerturnfinish = 0; for (; computerturnfinish != 1;){ place = rand() % ((9 - 1) + 1)+1; if (place == 1) { if (full[0] == 0) { matrix[0][0] = 'X'; full[0] = 2; computerturnfinish = 1; } else if (full[0] == 1 || full[0] == 2) { continue; } } else if (place == 2) { if (full[1] == 0) { matrix[0][1] = 'X'; full[1] = 2; computerturnfinish = 1; } else if (full[1] == 1 || full[1] == 2) { continue; } } else if (place == 3) { if (full[2] == 0) { matrix[0][2] = 'X'; full[2] = 2; computerturnfinish = 1; } else if (full[2] == 1 || full[2] == 2) { continue; } } else if (place == 4) { if (full[3] == 0) { matrix[1][0] = 'X'; full[3] = 2; computerturnfinish = 1; } else if (full[3] == 1 || full[3] == 2) { continue; } } else if (place == 5) { if (full[4] == 0) { matrix[1][1] = 'X'; full[4] = 2; computerturnfinish = 1; } else if (full[4] == 1 || full[4] == 2) { continue; } } else if (place == 6) { if (full[5] == 0) { matrix[1][2] = 'X'; full[5] = 2; computerturnfinish = 1; } else if (full[5] == 1 || full[5] == 2) { continue; } } else if (place == 7) { if (full[6] == 0) { matrix[2][0] = 'X'; full[6] = 2; computerturnfinish = 1; } else if (full[6] == 1 || full[6] == 2) { continue; } } else if (place == 8) { if (full[7] == 0) { matrix[2][1] = 'X'; full[7] = 2; computerturnfinish = 1; } else if (full[7] == 1 || full[7] == 2) { continue; } } else if (place == 9) { if (full[8] == 0) { matrix[2][2] = 'X'; full[8] = 2; computerturnfinish = 1; } else if (full[8] == 1 || full[8] == 2) { continue; } } } } int playerwin(){ if (full[0] ==1 && full[1] ==1 && full[2] == 1) return 1; else if (full[3] == 1 && full[4] == 1 && full[5] == 1) return 1; else if (full[6] == 1 && full[7] == 1 && full[8] == 1) return 1; else if (full[0] == 1 && full[3] == 1 && full[6] == 1) return 1; else if (full[1] == 1 && full[4] == 1 && full[7] == 1) return 1; else if (full[2] == 1 && full[5] == 1 && full[8] == 1) return 1; else if (full[0] == 1 && full[4] == 1 && full[8] == 1) return 1; else if (full[2] == 1 && full[4] == 1 && full[6] == 1) return 1; } int computerwin(){ if (full[0] == 2 && full[1] == 2 && full[2] == 2) return 1; else if (full[3] == 2 && full[4] == 2 && full[5] == 2) return 1; else if (full[6] == 2 && full[7] == 2 && full[8] == 2) return 1; else if (full[0] == 2 && full[3] == 2 && full[6] == 2) return 1; else if (full[1] == 2 && full[4] == 2 && full[7] == 2) return 1; else if (full[2] == 2 && full[5] == 2 && full[8] == 2) return 1; else if (full[0] == 2 && full[4] == 2 && full[8] == 2) return 1; else if (full[2] == 2 && full[4] == 2 && full[6] == 2) return 1; } int draw() { if (full[0] != 0 && full[1] != 0 && full[2] != 0 && full[3] != 0 && full[4] != 0 && full[5] != 0 && full[6] != 0 && full[7] != 0 && full[8] != 0) { return 1; } } void hardcomputerturn() { int place = 0; int computerturnfinish = 0; for (; computerturnfinish != 1;){ place = rand() % ((9 - 1) + 1) + 1; if (attack() == 1) { computerturnfinish = 1; break; } else if (protect() == 1) { computerturnfinish = 1; break; } if (place == 1) { if (full[0] == 0) { matrix[0][0] = 'X'; full[0] = 2; computerturnfinish = 1; } else if (full[0] == 1 || full[0] == 2) { continue; } } else if (place == 2) { if (full[1] == 0) { matrix[0][1] = 'X'; full[1] = 2; computerturnfinish = 1; } else if (full[1] == 1 || full[1] == 2) { continue; } } else if (place == 3) { if (full[2] == 0) { matrix[0][2] = 'X'; full[2] = 2; computerturnfinish = 1; } else if (full[2] == 1 || full[2] == 2) { continue; } } else if (place == 4) { if (full[3] == 0) { matrix[1][0] = 'X'; full[3] = 2; computerturnfinish = 1; } else if (full[3] == 1 || full[3] == 2) { continue; } } else if (place == 5) { if (full[4] == 0) { matrix[1][1] = 'X'; full[4] = 2; computerturnfinish = 1; } else if (full[4] == 1 || full[4] == 2) { continue; } } else if (place == 6) { if (full[5] == 0) { matrix[1][2] = 'X'; full[5] = 2; computerturnfinish = 1; } else if (full[5] == 1 || full[5] == 2) { continue; } } else if (place == 7) { if (full[6] == 0) { matrix[2][0] = 'X'; full[6] = 2; computerturnfinish = 1; } else if (full[6] == 1 || full[6] == 2) { continue; } } else if (place == 8) { if (full[7] == 0) { matrix[2][1] = 'X'; full[7] = 2; computerturnfinish = 1; } else if (full[7] == 1 || full[7] == 2) { continue; } } else if (place == 9) { if (full[8] == 0) { matrix[2][2] = 'X'; full[8] = 2; computerturnfinish = 1; } else if (full[8] == 1 || full[8] == 2) { continue; } } } } int attack() { if ((full[0] ==2 && full[1] ==2) &&full[2]==0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else if ((full[0] == 2 && full[2] == 2) && full[1] == 0) { full[1] = 2; matrix[0][1] = 'X'; return 1; } else if ((full[1] == 2 && full[2] == 2) && full[0] == 0) { full[0] = 2; matrix[0][0] = 'X'; return 1; } else if ((full[3] == 2 && full[4] == 2) && full[5] == 0) { full[5] = 2; matrix[1][2] = 'X'; return 1; } else if ((full[3] == 2 && full[5] == 2) && full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if ((full[5] == 2 && full[4] == 2) && full[3] == 0) { full[3] = 2; matrix[1][0] = 'X'; return 1; } else if ((full[6] == 2 && full[7] == 2) && full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if ((full[6] == 2 && full[8] == 2) && full[7] == 0) { full[7] = 2; matrix[2][1] = 'X'; return 1; } else if ((full[8] == 2 && full[7] == 2) && full[6] == 0) { full[6] = 2; matrix[2][0] = 'X'; return 1; } else if ((full[0] == 2 && full[3] == 2) && full[6] == 0) { full[6] = 2; matrix[2][0] = 'X'; return 1; } else if ((full[0] == 2 && full[6] == 2) && full[3] == 0) { full[3] = 2; matrix[1][0] = 'X'; return 1; } else if ((full[6] == 2 && full[3] == 2) && full[3] == 0) { full[3] = 2; matrix[0][0] = 'X'; return 1; } else if ((full[1] == 2 && full[4] == 2) && full[7] == 0) { full[7] = 2; matrix[2][1] = 'X'; return 1; } else if ((full[1] == 2 && full[7] == 2) && full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if ((full[7] == 2 && full[4] == 2) && full[1] == 0) { full[1] = 2; matrix[0][1] = 'X'; return 1; } else if ((full[2] == 2 && full[5] == 2) && full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if ((full[2] == 2 && full[8] == 2) && full[5] == 0) { full[5] = 2; matrix[1][2] = 'X'; return 1; } else if ((full[8] == 2 && full[5] == 2) && full[2] == 0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else if ((full[0] == 2 && full[4] == 2)&& full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if ((full[0] == 2 && full[8] == 2)&& full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if ((full[8] == 2 && full[4] == 2) && full[0] == 0) { full[0] = 2; matrix[0][0] = 'X'; return 1; } else if ((full[2] == 2 && full[4] == 2) && full[6] == 0) { full[8] = 2; matrix[2][0] = 'X'; return 1; } else if ((full[2] == 2 && full[6] == 2)&& full[4] == 0) { full[8] = 2; matrix[1][1] = 'X'; return 1; } else if ((full[6] == 2 && full[4] == 2) && full[2] == 0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else { return 0; } } int protect() { if (full[0] == 1 && full[1] == 1 && full[2] == 0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else if (full[0] == 1 && full[2] == 1 && full[1] == 0) { full[1] = 2; matrix[0][1] = 'X'; return 1; } else if (full[1] == 1 && full[2] == 1 && full[0] == 0) { full[0] = 2; matrix[0][0] = 'X'; return 1; } else if (full[3] == 1 && full[4] == 1 && full[5] == 0) { full[5] = 2; matrix[1][2] = 'X'; return 1; } else if (full[3] == 1 && full[5] == 1 && full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if (full[5] == 1 && full[4] == 1 && full[3] == 0) { full[3] = 2; matrix[1][0] = 'X'; return 1; } else if (full[6] == 1 && full[7] == 1 && full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if (full[6] == 1 && full[8] == 1 && full[7] == 0) { full[7] = 2; matrix[2][1] = 'X'; return 1; } else if (full[8] == 1 && full[7] == 1 && full[6] == 0) { full[6] = 2; matrix[2][0] = 'X'; return 1; } else if (full[0] == 1 && full[3] == 1 && full[6] == 0) { full[6] = 2; matrix[2][0] = 'X'; return 1; } else if (full[0] == 1 && full[6] == 1 && full[3] == 0) { full[3] = 2; matrix[1][0] = 'X'; return 1; } else if (full[6] == 1 && full[3] == 1 && full[3] == 0) { full[3] = 2; matrix[0][0] = 'X'; return 1; } else if (full[1] == 1 && full[4] == 1 && full[7] == 0) { full[7] = 2; matrix[2][1] = 'X'; return 1; } else if (full[1] == 1 && full[7] == 1 && full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if (full[7] == 1 && full[4] == 1 && full[1] == 0) { full[1] = 2; matrix[0][1] = 'X'; return 1; } else if (full[2] == 1 && full[5] == 1 && full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if (full[2] == 1 && full[8] == 1 && full[5] == 0) { full[5] = 2; matrix[1][2] = 'X'; return 1; } else if (full[8] == 1 && full[5] == 1 && full[2] == 0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else if (full[0] == 1 && full[4] == 1 && full[8] == 0) { full[8] = 2; matrix[2][2] = 'X'; return 1; } else if (full[0] == 1 && full[8] == 1 && full[4] == 0) { full[4] = 2; matrix[1][1] = 'X'; return 1; } else if (full[8] == 1 && full[4] == 1 && full[0] == 0) { full[0] = 2; matrix[0][0] = 'X'; return 1; } else if (full[2] == 1 && full[4] == 1 && full[6] == 0) { full[8] = 2; matrix[2][0] = 'X'; return 1; } else if (full[2] == 1 && full[6] == 1 && full[4] == 0) { full[8] = 2; matrix[1][1] = 'X'; return 1; } else if (full[6] == 1 && full[4] == 1 && full[2] == 0) { full[2] = 2; matrix[0][2] = 'X'; return 1; } else { return 0; } }