Submission #15811

# Submission time Handle Problem Language Result Execution time Memory
15811 2015-07-29T12:03:03 Z comet 빨간 직사각형 (kriii3_QQ) C++
20 / 20
237 ms 99400 KB
#include<iostream>
using namespace std;
typedef long long ll;
ll n,m,col[3333][3333],st[3333],INDEX[3333];
char a[3333][3333];
int main(){
	ios::sync_with_stdio(0);
	cin>>n>>m;
	for(int i=1;i<=n;i++)cin>>&a[i][1];
	for(int j=1;j<=m;j++)
		for(int i=1;i<=n;i++)
			if(a[i][j]=='R')col[i][j]=col[i-1][j]+(a[i][j]=='R');
	ll ans=0;
	for(int i=1;i<=n;i++){
		int sz=0,cnt;
		st[sz]=0;
		INDEX[sz++]=0;
		for(int j=1;j<=m+1;j++){
			cnt=0;
			while(sz>1&&st[sz-1]>=col[i][j]){
				ans+=(j-INDEX[sz-2]-1ll)*st[sz-1];
				if(cnt){
					ans-=(j-INDEX[sz-2]-1ll)*st[sz-1];
					ans+=(INDEX[sz-1]-INDEX[sz-2])*st[sz-1]*(j-INDEX[sz-1]);
				}
				sz--;
				cnt++;
			}
			st[sz]=col[i][j];
			INDEX[sz++]=j;
		}
	}
	cout<<ans;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 99400 KB Output is correct
2 Correct 0 ms 99400 KB Output is correct
3 Correct 0 ms 99400 KB Output is correct
4 Correct 0 ms 99400 KB Output is correct
5 Correct 0 ms 99400 KB Output is correct
6 Correct 0 ms 99400 KB Output is correct
7 Correct 0 ms 99400 KB Output is correct
8 Correct 0 ms 99400 KB Output is correct
9 Correct 0 ms 99400 KB Output is correct
10 Correct 0 ms 99400 KB Output is correct
11 Correct 0 ms 99400 KB Output is correct
12 Correct 0 ms 99400 KB Output is correct
13 Correct 0 ms 99400 KB Output is correct
14 Correct 0 ms 99400 KB Output is correct
15 Correct 0 ms 99400 KB Output is correct
16 Correct 0 ms 99400 KB Output is correct
17 Correct 0 ms 99400 KB Output is correct
18 Correct 0 ms 99400 KB Output is correct
19 Correct 0 ms 99400 KB Output is correct
20 Correct 0 ms 99400 KB Output is correct
21 Correct 0 ms 99400 KB Output is correct
22 Correct 4 ms 99400 KB Output is correct
23 Correct 4 ms 99400 KB Output is correct
24 Correct 0 ms 99400 KB Output is correct
25 Correct 4 ms 99400 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 99400 KB Output is correct
2 Correct 3 ms 99400 KB Output is correct
3 Correct 11 ms 99400 KB Output is correct
4 Correct 13 ms 99400 KB Output is correct
5 Correct 12 ms 99400 KB Output is correct
6 Correct 12 ms 99400 KB Output is correct
7 Correct 9 ms 99400 KB Output is correct
8 Correct 5 ms 99400 KB Output is correct
9 Correct 17 ms 99400 KB Output is correct
10 Correct 12 ms 99400 KB Output is correct
11 Correct 16 ms 99400 KB Output is correct
12 Correct 0 ms 99400 KB Output is correct
13 Correct 16 ms 99400 KB Output is correct
14 Correct 0 ms 99400 KB Output is correct
15 Correct 5 ms 99400 KB Output is correct
16 Correct 0 ms 99400 KB Output is correct
17 Correct 0 ms 99400 KB Output is correct
18 Correct 5 ms 99400 KB Output is correct
19 Correct 6 ms 99400 KB Output is correct
20 Correct 0 ms 99400 KB Output is correct
21 Correct 4 ms 99400 KB Output is correct
22 Correct 0 ms 99400 KB Output is correct
23 Correct 12 ms 99400 KB Output is correct
24 Correct 9 ms 99400 KB Output is correct
25 Correct 7 ms 99400 KB Output is correct
26 Correct 3 ms 99400 KB Output is correct
27 Correct 7 ms 99400 KB Output is correct
28 Correct 6 ms 99400 KB Output is correct
29 Correct 8 ms 99400 KB Output is correct
30 Correct 6 ms 99400 KB Output is correct
31 Correct 178 ms 99400 KB Output is correct
32 Correct 143 ms 99400 KB Output is correct
33 Correct 140 ms 99400 KB Output is correct
34 Correct 151 ms 99400 KB Output is correct
35 Correct 167 ms 99400 KB Output is correct
36 Correct 184 ms 99400 KB Output is correct
37 Correct 201 ms 99400 KB Output is correct
38 Correct 237 ms 99400 KB Output is correct
39 Correct 231 ms 99400 KB Output is correct
40 Correct 161 ms 99400 KB Output is correct