Grid

#include <bits/stdc++.h>

using namespace std;

#define rep(i, a, b) for(int i = a; i < int(b); ++i)
#define trav(a, v) for(auto& a : v)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define D(x) cerr << #x << " = " << x << endl

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

int main() {
	int n;
	cin>>n;
	int nums[11];
	vector<int> rowSums(n);
	vector<int> colSums(n);
	int grid[11][11];
	srand (time(NULL));
	rep(x,0,1000){
		rep(i,0,11)
			nums[i] = 0;
		rowSums.resize(0);
		colSums.resize(0);
		rowSums.resize(n);
		colSums.resize(n);
		rep(i,0,n){
			int rowSum = 0;
			rep(j,0,n){
				int number = (rand()%n) + 1;
				while(nums[number]==n){
					number = (rand()%n) + 1;
				}
				++nums[number];
				grid[i][j] = number;
				rowSum += number;
				colSums[j] += number;
			}
			rowSums[i] = rowSum;
		}
		vector<int> allSums = rowSums;
		allSums.insert( allSums.end(), colSums.begin(), colSums.end() );
		sort( allSums.begin(), allSums.end());
		//rep(i,0,allSums.size())
		//	cout<<allSums[i]<<" ";
		//cout<<endl;
		if (adjacent_find (allSums.begin(), allSums.end())==allSums.end()){
			rep(i,0,n){
				rep(j,0,n){
					cout << grid[i][j] << " ";
				}
				cout<<endl;
			}
			return 0;
		}
	}
	cout<<"QAQ";
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: ACCEPTED

Test 9

Group: 1

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 2

Verdict: ACCEPTED

Test 12

Group: 2

Verdict: RUNTIME ERROR

Test 13

Group: 2

Verdict: RUNTIME ERROR

Test 14

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: ACCEPTED

Test 17

Group: 3

Verdict: ACCEPTED

Test 18

Group: 3

Verdict: RUNTIME ERROR

Test 19

Group: 3

Verdict: RUNTIME ERROR

Test 20

Group: 3

Verdict: RUNTIME ERROR

Test 21

Group: 3

Verdict: RUNTIME ERROR