题解 | 小红的夹吃棋

#include <iostream>
#include <vector>
using namespace std;


int is_win(char mp[3][3]) {
    int h = 0, z = 0;
    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            if (mp[i][j] == 'o') {
                if (j + 2 < 3 && mp[i][j + 2] == 'o' && mp[i][j + 1] == '*') {
                    h = 1;
                    continue;
                }
                if (j - 2 > 0 && mp[i][j - 2] == 'o' && mp[i][j - 1] == '*') {
                    h = 1;
                    continue;
                }
                if (i - 2 > 0 && mp[i - 2][j] == 'o' && mp[i - 1][j] == '*') {
                    h = 1;
                    continue;
                }
                if (i + 2 < 3 && mp[i + 2][j] == 'o' && mp[i + 1][j] == '*') {
                    h = 1;
                    continue;
                }

            }
            if (mp[i][j] == '*') {
                if (j + 2 < 3 && mp[i][j + 2] == '*' && mp[i][j + 1] == 'o') {
                    z = 1;
                    continue;
                }
                if (j - 2 > 0 && mp[i][j - 2] == '*' && mp[i][j - 1] == 'o') {
                    z = 1;
                    continue;
                }
                if (i - 2 > 0 && mp[i - 2][j] == '*' && mp[i - 1][j] == 'o') {
                    z = 1;
                    continue;
                }
                if (i + 2 < 3 && mp[i + 2][j] == '*' && mp[i + 1][j] == 'o') {
                    z = 1;
                    continue;
                }
            }

        }
    }

    if (h == 0 && z == 0) return 0;
    if (h == 1 && z == 0) return 2;
    if (h == 0 && z == 1) return 1;
    
    return 0;
}


int main() {
    int n, i = 0;
    char mp[3][3];
    cin >> n;
    int c = n * 3;
    while (c--) {
        string s;
        cin >> s;
        for (int j = 0; j < 3; j++) {
            mp[i][j] = s[j];
        }
        i++;
        if (i == 3) {
            i = 0;
            int r = is_win(mp);
            if (r == 1) {
                cout << "kou" << endl;
            } else if (r == 2) {
                cout << "yukari" << endl;
            } else {
                cout << "draw" << endl;
            }
        }
    }



}