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Submission #529931

# Submission time Handle Problem Language Result Execution time Memory
529931 2022-02-24T05:29:59 Z chenyan Bitaro the Brave (JOI19_ho_t1) C++17
0 / 100
 1 ms 324 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define all(x) x.begin(),x.end()
#define pb emplace_back
#define N 2010
char a[N][N];
int cnt[2][N];
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	int n,m,i,j;
	cin>>n>>m;
	for(i=0;i<n;i++){
		for(j=0;j<m;j++){
			cin>>a[i][j];
			if(a[i][j]=='O') cnt[0][i]++;
			else if(a[i][j]=='I') cnt[1][j]++;
		}
	}
	int ans=0;
	for(i=0;i<n;i++) for(j=0;j<m;j++)
		if(a[i][j]=='J') ans+=cnt[1][i]*cnt[0][j];
	cout<<ans<<'\n';
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Incorrect 1 ms 204 KB Output isn't correct
4 Halted 0 ms 0 KB -