답안 #15156

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
15156	2015-07-11T23:32:50 Z	ggoh	빨간 직사각형 (kriii3_QQ)	C++	20 / 20	225 ms	87952 KB

qq

#include<cstdio>
#include<algorithm>
#include<cstring>
long long a,b,i,j,S,sum,p,u,q,w[3333][3333];
long long P[3333],Q[3333],max[3333];
char s[3333];
main()
{
	scanf("%lld%lld",&a,&b);
	for(i=1;i<=a;i++)
	{
		scanf("%s",s);
		for(j=0;j<b;j++)
		{
			if(s[j]=='R')w[i][j+1]=1;
		}
	}
	for(i=1;i<=a;i++)
	{
		p=0;
		q=0;
		sum=0;
		for(j=1;j<=b;j++)
		{
			if(w[i][j]==0)
			{
				S+=i*j;
				max[j]=i;
				P[p++]=i;
				Q[q++]=j;
				sum=j*i;
			}
			else
			{
				while(max[j]>P[p-1]&&p>0)
				{
					u=q>1?Q[q-2]:0;
					sum-=(Q[q-1]-u)*P[p-1];
					p--;
					q--;
				}
				u=q>0?Q[q-1]:0;
				sum+=(j-u)*max[j];
				P[p++]=max[j];
				Q[q++]=j;
				S+=sum;
			}
		}
	}
	printf("%lld",a*(a+1)/2*b*(b+1)/2-S);
}

Subtask #1

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	87952 KB	Output is correct
2	Correct	0 ms	87952 KB	Output is correct
3	Correct	0 ms	87952 KB	Output is correct
4	Correct	0 ms	87952 KB	Output is correct
5	Correct	0 ms	87952 KB	Output is correct
6	Correct	0 ms	87952 KB	Output is correct
7	Correct	0 ms	87952 KB	Output is correct
8	Correct	0 ms	87952 KB	Output is correct
9	Correct	0 ms	87952 KB	Output is correct
10	Correct	0 ms	87952 KB	Output is correct
11	Correct	0 ms	87952 KB	Output is correct
12	Correct	0 ms	87952 KB	Output is correct
13	Correct	0 ms	87952 KB	Output is correct
14	Correct	0 ms	87952 KB	Output is correct
15	Correct	0 ms	87952 KB	Output is correct
16	Correct	0 ms	87952 KB	Output is correct
17	Correct	0 ms	87952 KB	Output is correct
18	Correct	0 ms	87952 KB	Output is correct
19	Correct	0 ms	87952 KB	Output is correct
20	Correct	0 ms	87952 KB	Output is correct
21	Correct	3 ms	87952 KB	Output is correct
22	Correct	7 ms	87952 KB	Output is correct
23	Correct	6 ms	87952 KB	Output is correct
24	Correct	6 ms	87952 KB	Output is correct
25	Correct	3 ms	87952 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	87952 KB	Output is correct
2	Correct	0 ms	87952 KB	Output is correct
3	Correct	18 ms	87952 KB	Output is correct
4	Correct	12 ms	87952 KB	Output is correct
5	Correct	22 ms	87952 KB	Output is correct
6	Correct	8 ms	87952 KB	Output is correct
7	Correct	6 ms	87952 KB	Output is correct
8	Correct	0 ms	87952 KB	Output is correct
9	Correct	11 ms	87952 KB	Output is correct
10	Correct	9 ms	87952 KB	Output is correct
11	Correct	11 ms	87952 KB	Output is correct
12	Correct	3 ms	87952 KB	Output is correct
13	Correct	10 ms	87952 KB	Output is correct
14	Correct	1 ms	87952 KB	Output is correct
15	Correct	0 ms	87952 KB	Output is correct
16	Correct	2 ms	87952 KB	Output is correct
17	Correct	0 ms	87952 KB	Output is correct
18	Correct	0 ms	87952 KB	Output is correct
19	Correct	2 ms	87952 KB	Output is correct
20	Correct	0 ms	87952 KB	Output is correct
21	Correct	0 ms	87952 KB	Output is correct
22	Correct	0 ms	87952 KB	Output is correct
23	Correct	12 ms	87952 KB	Output is correct
24	Correct	6 ms	87952 KB	Output is correct
25	Correct	7 ms	87952 KB	Output is correct
26	Correct	10 ms	87952 KB	Output is correct
27	Correct	7 ms	87952 KB	Output is correct
28	Correct	0 ms	87952 KB	Output is correct
29	Correct	0 ms	87952 KB	Output is correct
30	Correct	6 ms	87952 KB	Output is correct
31	Correct	111 ms	87952 KB	Output is correct
32	Correct	101 ms	87952 KB	Output is correct
33	Correct	88 ms	87952 KB	Output is correct
34	Correct	112 ms	87952 KB	Output is correct
35	Correct	158 ms	87952 KB	Output is correct
36	Correct	134 ms	87952 KB	Output is correct
37	Correct	160 ms	87952 KB	Output is correct
38	Correct	161 ms	87952 KB	Output is correct
39	Correct	225 ms	87952 KB	Output is correct
40	Correct	159 ms	87952 KB	Output is correct