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Submission #334357

# Submission time Handle Problem Language Result Execution time Memory
334357 2020-12-09T04:26:13 Z limabeans Red-blue table (IZhO19_stones) C++17
0 / 100
 4 ms 1388 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;


const int maxn = 1e6 + 5;



void solve() {
    int n,m;
    cin>>n>>m;
    int op1 = n+(m-(m+1)/2);
    int op2 = (n-(n+1)/2)+m;
    if (op1>op2) {
	cout<<op1<<"\n";
	string s;
	while (int(s.length()+s.length()) <= m) {
	    s += '+';
	}
	while ((int)s.length()<m) s += '-';
	for (int i=0; i<n; i++) {
	    cout<<s<<"\n";
	}
    } else {
	cout<<op2<<"\n";
	int rows = 0;
	for (int i=0; i<n; i++) {
	    if (rows+rows>n) {
		cout<<string(m,'-')<<"\n";
	    } else {
		cout<<string(m,'+')<<"\n";
		rows++;
	    }
	}
    }
}


int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    int t;
    cin>>t;
    while (t--) solve();
    
    
    return 0;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB in the table A+B is not equal to 3
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB in the table A+B is not equal to 46

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB in the table A+B is not equal to 3
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 1388 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 3 ms 1388 KB in the table A+B is not equal to 36
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB in the table A+B is not equal to 3
2 Halted 0 ms 0 KB -