我也我不知道我到底写了些什么(′д｀ )…彡…彡反正很暴力

#include<iostream>
#include<algorithm>
#include<cstring>
using namespace std;
const int N = 1000;
int T;//T组用例
int main () {
    cin >> T;
    for (int k = 1;k <= T;k++) {
        int n;
        cin >> n;
        int map[N][N];
        int square = n * n;
        int t = 1,m = 1;
        int cell[N],col[N];
        for (int i = 1;i <= square;i++) 
            for (int j = 1;j <= square;j++) 
                cin >> map[i][j];
        for (int i = 1;i <= square;i++) {
            memset(col,0,sizeof(int) * (square + 5));
            for (int j = 1;j <= square;j++) {
                if (col[map[i][j]] == 1 || map[i][j] <= 0 || map[i][j] > square) {
                    cout << "Case #" << k << ": " << "No" << endl;
                    goto mark;
                }
                col[map[i][j]]++;
            }
        }
        for (int j = 1;j <= square;j++) {
            memset(col,0,sizeof(int) * (square + 5));
            for (int i = 1;i <= square;i++) {
                if (col[map[i][j]] == 1 || map[i][j] <= 0 || map[i][j] > square) {
                    cout << "Case #" << k << ": " << "No" << endl;
                    goto mark;
                }
                col[map[i][j]]++;
            }
        }
        //
        memset(cell,0,sizeof(int) * (square + 5));
        while (t <= square - n + 1) {
            for (int i = t;i < t + n;i++) {
                for (int j = m;j < m + n;j++) {
                    if (cell[map[i][j]] == 1) {
                        cout << "Case #" << k << ": " << "No" << endl;
                        goto mark;
                    }
                    cell[map[i][j]]++;
                }
            }
            if (m == square - n + 1) {
                t += n;
                m = 1;
            } else {
                m += n;
            }
            memset(cell,0,sizeof(int) * (square + 5));
        }
        cout << "Case #" << k << ": " << "Yes" << endl;
    mark:  ; 
    }
    return 0;
}