大一请问，为什么输出结果会这样的

Question

#include <stdio.h>
#define size 9

char fivechess[size][size];

///棋盘的初始轮廓
void fivechesscontour() {
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            fivechess[i][j] = ' ';
        }
    }
}

///棋盘的列标和行标
void drawfivechess() {
    printf("  ");
    for (int col = 0; col < size; col++) {
        printf("%2d", col + 1);///col表示列
    }
    printf("\n");

    for (int row = 0; row < size; row++) {
        printf("%2d", row + 1);///row表示行
        for (int col = 0; col < size; col++) {
            printf("%2c", fivechess[row][col]);
        }
        printf("\n");
    }
}

void move(char player, int row, int col ) {
    if (row >= 0 && row < size && col >= 0 && col < size && fivechess[row][col] == ' ') {
        fivechess[row][col] = player;
    } else {
        printf("您输入的位置不恰当，请重新输入\n");
    }
}

///检查是否有五个子连在一起

///行
int ifwin(char player, int row, int col) {
    ///int num = 0;
    for (int i = 0; i < size; i++) {
        /*if (fivechess[row][i] == player) {
            num += 1;
            if (num == 5) {
                return 1;
            }
        } else {
            num = 0;
        }*/
        if (i + 4 < size) {
            if (fivechess[row][i] == fivechess[row][i + 1]
                    && fivechess[row][i + 1] == fivechess[row][i + 2]
                    && fivechess[row][i + 2] == fivechess[row][i + 3]
                    && fivechess[row][i + 3] == fivechess[row][i + 4]) {
                return 1;
            }
        }
    }
///列
    ///num = 0;
    for (int i = 0; i < size; i++) {
        /*if (fivechess[i][col] == player) {
            num += 1;
            if (num == 5) {
                return 1;
            }
        } else {
            num = 0;
        }*/
        if (i + 4 < size) {
            if (fivechess[i][col] == fivechess[i + 1][col]
                    && fivechess[i + 1][col] == fivechess[i + 2][col]
                    && fivechess[i + 2][col] == fivechess[i + 3][col]
                    && fivechess[i + 3][col] == fivechess[i + 4][col]) {
                return 1;
            }
        }
    }
///从左上到右下
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            if (i + 4 < size && j + 4 < size) {
                if (fivechess[i][j] == fivechess[i + 1][j + 1]
                        && fivechess[i + 1][j + 1] == fivechess[i + 2][j + 2]
                        && fivechess[i + 2][j + 2] == fivechess[i + 3][j + 3]
                        && fivechess[i + 3][j + 3] == fivechess[i + 4][j + 4]) {
                    return 1;
                }
            }
        }
    }
///从左下到右上
    for (int i = 0; i < size; i++) {
        for (int j = 0; j < size; j++) {
            if (i - 4 > 0 && j + 4 < size) {
                if (fivechess[i][j] == fivechess[i - 1][j + 1]
                        && fivechess[i - 1][j + 1] == fivechess[i - 2][j + 2]
                        && fivechess[i - 2][j + 2] == fivechess[i - 3][j + 3]
                        && fivechess[i - 3][j + 3] == fivechess[i - 4][j + 4]) {
                    return 1;
                }
            }
        }

    }
    return 0;
}


int main() {
    fivechesscontour();
    drawfivechess();
    int player = 'x';
    int row, col;
    while (1) {
        printf("玩家%c,请输入您落子的位置（行 列）:\n", player);
        scanf("%d%d", &row, &col);
        row -= 1;
        col -= 1;
        move(player, row, col);
        if (ifwin(player, row, col)) {
            drawfivechess();
            printf("玩家%c胜利", player);
            break;
        }
        player = (player == 'x') ? 'o' : 'x';
    }
    return 0;
}

求解

Answer 1

这代码是ai生成的，ai的代码都是胡编乱造。