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Submission #286845

# Submission time Handle Problem Language Result Execution time Memory
286845 2020-08-31T05:20:22 Z dvdg6566 Red-blue table (IZhO19_stones) C++14
0 / 100
 32 ms 2076 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pi;
typedef vector<ll> vi;
typedef vector<pi> vpi;
#define pb emplace_back
#define mp make_pair
#define f first
#define s second
#define SZ(x) (int)x.size()
#define ALL(x) x.begin(),x.end()
#define lb lower_bound
const int MAXN=1001;
const ll MOD=998244353;

ll A[MAXN][MAXN];
ll R,C,T;

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>T;
	while(T--){
		cin>>R>>C;
		int ta=R+(C-1)/2;
		int tb=C+(R-1)/2;

		if(ta>=tb){
			for(int col=0;col<C;++col){
				int v=col%2;
				for(int i=0;i<R;++i)A[i][col]=v;
			}
		}else{
			for(int row=0;row<R;++row){
				int v=row%2^1;
				for(int i=0;i<C;++i)A[row][i]=v;
			}
		}
		cout<<max(ta,tb)<<'\n';
		for(int i=0;i<R;++i){
			for(int j=0;j<C;++j){
				if(A[i][j])cout<<'-';
				else cout<<'+';
			}
			cout<<'\n';
		}
		// return 0;
	}	
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB in the table A+B is not equal to 4

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 512 KB in the table A+B is not equal to 20

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB in the table A+B is not equal to 4

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 32 ms 1784 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 31 ms 2076 KB in the table A+B is not equal to 35
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB in the table A+B is not equal to 4