Ruudukko

#include <iostream>
#include <string>

using namespace std;

int get_int(int n_col, int n_offset, int n){
    int v = n_col + n_offset;
    if(v > n){
        return v - n;
    }else{
        return v;
    }
}

int get_new_offset(int cur_offset, int n){
    int new_offset = cur_offset + 1;
    if(new_offset > n){
        new_offset = 0;
    }
    return new_offset;
}

int main() {
    int n;
    cin >> n;

    int n_offset = 0;
    for(int n_row = 1; n_row <= n; n_row++){
        string row_str = "";
        for(int n_col = 1; n_col <= n; n_col++){
            int v = get_int(n_col, n_offset, n);
            row_str += to_string(v) + " ";
        }
        cout << row_str << "\n";
        n_offset = get_new_offset(n_offset, n);
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER