Submission #1003043

#	Time	Username	Problem	Language	Result	Execution time	Memory
1003043		tamir1	Bitaro the Brave (JOI19_ho_t1)	C++17	50 / 100	1051 ms	17444 KiB

joi2019_ho_t1

#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;
}

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