oj.uz

Submission #602384

# Submission time Handle Problem Language Result Execution time Memory
602384 2022-07-23T02:43:36 Z Hanksburger Red-blue table (IZhO19_stones) C++17
15 / 100
 23 ms 1812 KB 
#include <bits/stdc++.h>
using namespace std;
bool ans[1005][1005];
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t;
    cin >> t;
    while (t--)
    {
        int n, m;
        cin >> n >> m;
        bool b=0;
        if (n>m)
        {
            swap(n, m);
            b=1;
        }
        int k=n-n/2-1;
        int l=min(n, k*m/(m/2+1));
        cout << l+m << '\n';
        if (l)
        {
            for (int j=0; j<m; j++)
            {
                int L=k*j%l, R=k*(j+1)%l;
                if (L<R)
                    for (int i=0; i<l; i++)
                        ans[i][j]=(L<=i && i<R);
                else
                    for (int i=0; i<l; i++)
                        ans[i][j]=(L<=i || i<R);
                for (int i=l; i<n; i++)
                    ans[i][j]=0;
            }
        }
        if (b)
        {
            for (int j=0; j<m; j++)
            {
                for (int i=0; i<n; i++)
                    cout << (ans[i][j]?'-':'+');
                cout << '\n';
            }
        }
        else
        {
            for (int i=0; i<n; i++)
            {
                for (int j=0; j<m; j++)
                    cout << (ans[i][j]?'+':'-');
                cout << '\n';
            }
        }
    }
    return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB in the table A+B is not equal to 3
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB in the table A+B is not equal to 2
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB in the table A+B is not equal to 3
3 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 1392 KB in the table A+B is not equal to 77
2 Halted 0 ms 0 KB -

Subtask #5
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 1440 KB Output is correct
2 Correct 18 ms 1812 KB Output is correct
3 Correct 21 ms 1636 KB Output is correct

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB in the table A+B is not equal to 3
3 Halted 0 ms 0 KB -