제출 #1003043

#제출 시각아이디문제언어결과실행 시간메모리
1003043tamir1Bitaro the Brave (JOI19_ho_t1)C++17
50 / 100
1051 ms17444 KiB
#include<bits/stdc++.h>
#define ll long long
using namespace std;
ll ans,x,y,n,m,i,j,k,l;
char s[3001][3001];
int main(){
	cin >> n >> m;
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			cin >> s[i][j];
		}
	}
	for(i=1;i<=n;i++){
		for(j=1;j<=m;j++){
			if(s[i][j]=='J'){
				x=0;
				y=0;
				for(l=j+1;l<=m;l++) if(s[i][l]=='O') x++;
				for(k=i+1;k<=n;k++) if(s[k][j]=='I') y++;
				ans+=x*y;
			}
		}
	}
	cout << ans;
}
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