Submission #15084

#	Time	Username	Problem	Language	Result	Execution time	Memory
15084		sujin	빨간 직사각형 (kriii3_QQ)	C++98	10 / 20	598 ms	524288 KiB

qq

#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <stdlib.h>
#include <vector>

using namespace std;

int N, M;
char G[3001][3001];
vector<int> D[3001][3001];
long long S;

int main(){
	
	scanf("%d %d", &N, &M);

	for (int i = 1; i <= N; i++)
		for (int j = 1; j <= M; j++)
			scanf(" %c", &G[i][j]);

	for (int j = 1; j <= M; j++){
		for (int i = 1; i <= N; i++){
			if (G[i][j] == 'R'){
				int s = D[i - 1][j].size();
				for (int k = j; G[i][k] == 'R'; k--){
					int d = (j - k < s ? D[i - 1][j][j - k] : 0);
					D[i][j].push_back(d + 1);
					S += d + 1;
				}
			}
			D[i - 1][j].clear();
		}
	}
	
	printf("%lld", S);

	return 0;
}

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