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c语言

IsWin判赢

display 画 10 x 10 的棋盘

判断落子的坐标是否已有棋子

判断落子坐标范围是否超出范围

// 五子棋
#include <stdio.h>
#include <stdlib.h>// 画棋盘 10 x 10的棋盘，len为行数
void display(char map[][10], int len)
{system("clear");printf("   0 1 2 3 4 5 6 7 8 9\n");for (int i = 0; i < len; i++) {printf("%d ", i);for (int j = 0; j < 10; j++) {printf("|%c", map[i][j]);}printf("|\n");}
}// 判断是否赢棋
int IsWin(char map[][10], int len, int x, int y)
{int xx;int yy;int saves = 0;int count = 1;// 判断是否棋盘下满for (int i = 0; i < len; i++) {for (int j = 0; j < 10; j++) {if (map[i][j] == ' ') {saves += 1;}}}if (saves == 0) {printf("棋盘下满，平局!\n");return -1;}//判断赢棋，从横、纵、斜、反斜四个方向判断// 横向判断// count == 1 是因为下面 for循环判断是从坐标的横移左一个、横移右一个开始判断的for (yy = y-1; yy > -1; yy--) {if (map[x][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}for (yy = y+1; yy < 10; yy++) {if (map[x][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}if (count >= 5) {if (map[x][y] == 'O') {printf("白棋赢\n");return 1;} else {printf("黑棋赢\n");return 2;}}count = 1;// 纵向判断for (xx = x-1; xx > -1; xx--) {if (map[xx][y] == map[x][y] && map[x][y] != ' ') {count += 1;}}for (xx = x+1; xx < len; xx++) {if (map[xx][y] == map[x][y] && map[x][y] != ' ') {count += 1;}}if (count >= 5) {if (map[x][y] == 'O') {printf("白棋赢\n");return 1;} else {printf("黑棋赢\n");return 2;}}count = 1;// 反斜方向判断for (xx = x-1,yy = y + 1; xx > -1 && yy < 10; xx--,yy++) {if (map[xx][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}for (xx= x+1,yy = y-1; xx < len && yy > -1; yy--,xx++) {if (map[xx][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}if (count >= 5) {if (map[x][y] == 'O') {printf("白棋赢\n");return 1;} else {printf("黑棋赢\n");return 2;}}count = 1;// 斜线 方向判断for (xx = x-1,yy = y - 1; xx > -1 && yy > -1; xx--,yy--) {if (map[xx][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}for (xx= x+1,yy = y+1; xx < len && yy < 10; yy++,xx++) {if (map[xx][yy] == map[x][y] && map[x][y] != ' ') {count += 1;}}if (count >= 5) {if (map[x][y] == 'O') {printf("白棋赢\n");return 1;} else {printf("黑棋赢\n");return 2;}}return 0;
}int main(void)
{char map[10][10] = {};for (int i = 0; i < 10; i++) {for (int j = 0; j < 10; j++) {map[i][j] = ' ';}}display(map, 10);int x = 0, y = 0,ret = -1;while (1) {while (1) {printf("白旗落子\n"); // 'O'printf("请输入横坐标：");scanf("%d", &x);printf("请输入纵坐标：");scanf("%d", &y);if (x >= 0 && x <= 9 && y >=0 && y <= 9) {if (map[x][y] != ' ') {printf("该坐标已落子,请重新输入坐标\n");continue;} else {map[x][y] = 'O';display(map, 10);break;}}else {printf("输入坐标超出棋盘范围，请重新输入\n");continue;}}ret = IsWin(map, 10, x, y);if (ret != 0) {break;}while (1) {printf("黑旗落子\n"); // 'X'printf("请输入横坐标：");scanf("%d", &x);printf("请输入纵坐标：");scanf("%d", &y);if (x >= 0 && x <= 9 && y >=0 && y <= 9) {if (map[x][y] != ' ') {printf("该坐标已落子,请重新输入坐标!\n");continue;} else {map[x][y] = 'X';display(map, 10);break;}}else {printf("输入坐标超出棋盘范围，请重新输入!\n");continue;}}ret = IsWin(map, 10, x, y);if (ret != 0) {break;}}return 0;
}