Submission #15070

#	Time	Username	Problem	Language	Result	Execution time	Memory
15070		gs14004	빨간 직사각형 (kriii3_QQ)	C++14	0 / 20	0 ms	45176 KiB

qq

#include <cstdio>

int a[3005][3005];
char str[3005][3005];
int n, m;
long long ret;

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		scanf("%s",str[i] + 1);
	}
	for(int i=1; i<=n; i++){
		for(int j=1; j<=m; j++){
			if(str[i][j] == 'B'){
				a[i][j] = 0;
			}
			else{
				a[i][j] = a[i-1][j] + a[i][j-1] - a[i-1][j-1] + 1;
			}
			ret += a[i][j];
		}
	}
	printf("%lld",ret);
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10