Submission #1165073

#	Time	Username	Problem	Language	Result	Execution time	Memory
1165073		boclobanchat	Bitaro the Brave (JOI19_ho_t1)	C++20	0 / 100	0 ms	328 KiB

joi2019_ho_t1

#include<bits/stdc++.h>
using namespace std;
int cntr[3333],cntc[3333];
string s[3333];
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n,m;
	cin>>n>>m;
	long long ans=0;
	for(int i=1;i<=n;i++)
	{
		cin>>s[i];
		for(int j=0;j<m;j++) if(s[i][j]=='O') cntr[i]++;
		else if(s[i][j]=='I') cntc[j]++;
	}
	for(int i=1;i<=n;i++) for(int j=0;j<m;j++) if(s[i][j]=='J') ans+=cntr[i]*cntc[j];
	cout<<ans;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50