oj.uz

Submission #911013

# Submission time Handle Problem Language Result Execution time Memory
911013 2024-01-18T11:14:53 Z penguin133 Red-blue table (IZhO19_stones) C++17
27 / 100
 27 ms 1372 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

void solve(){
	int n, m; cin >> n >> m;
	cout << max(n, m) + (min(n, m) - 1) / 2 << '\n';
	if(n > m){
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				if(j <= (m - 1) / 2)cout << '-';
				else cout << '+';
			}
			cout << '\n';
		}
	}
	else{
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				if(i <= (n - 1) / 2)cout << '+';
				else cout << '-';
			}
			cout << '\n';
		}
	}
}

main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int tc = 1;
	cin >> tc;
	for(int tc1=1;tc1<=tc;tc1++){
		// cout << "Case #" << tc1 << ": ";
		solve();
	}
}

Compilation message

stones.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main(){
      | ^~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 2 ms 344 KB Wrong answer in test 5 29: 31 < 32
5 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 1372 KB Wrong answer in test 97 21: 107 < 116
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 27 ms 1364 KB Wrong answer in test 24 24: 35 < 44
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Incorrect 2 ms 344 KB Wrong answer in test 5 29: 31 < 32
5 Halted 0 ms 0 KB -