답안 #208464

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
208464	2020-03-11T09:23:16 Z	AlainSu	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	913 ms	154220 KB

joi2019_ho_t1

#include<bits/stdc++.h>
using namespace std;
const int MAXN=3003, MAXM=3003;
char s[3010][3010]={};
long long O[MAXN][MAXM]={},I[MAXN][MAXM]={},n,m;
long long ans=0;
void input()
{
	cin>>n>>m;
	for (int i=1;i<=n;i++)
	    for (int j=1;j<=m;j++)
	         cin>>s[i][j];
}
void getO()
{
	for (int i=1;i<=n;i++)
	     for (int j=1;j<=m;j++)
	         {
	         	if (j!=1) {O[i][j]=O[i][j-1];};
	         	if (s[i][j]=='O') {O[i][j]++;}; 
			 }
}
void getI()
{
	for (int i=1;i<=n;i++)
	   for (int j=1;j<=m;j++)
	        {
	        	if (i!=1) {I[i][j]=I[i-1][j];};
	        	if (s[i][j]=='I') {I[i][j]++;};
			}
}
void process()
{
	for (int i=1;i<=n;i++)
	    for (int j=1;j<=m;j++)
	         if (s[i][j]=='J')
	         {
	         	ans+=(I[n][j]-I[i][j])*(O[i][m]-O[i][j]);
			 }
}
void output()
{
	cout<<ans;
}
int main()
{
    input();
    getO();
    getI();
    process();
    output();
    return 0;
} 

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	7 ms	1656 KB	Output is correct
6	Correct	6 ms	1528 KB	Output is correct
7	Correct	6 ms	1528 KB	Output is correct
8	Correct	7 ms	1660 KB	Output is correct
9	Correct	6 ms	1528 KB	Output is correct
10	Correct	6 ms	1528 KB	Output is correct
11	Correct	6 ms	1656 KB	Output is correct
12	Correct	6 ms	1528 KB	Output is correct
13	Correct	7 ms	1528 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	7 ms	1656 KB	Output is correct
6	Correct	6 ms	1528 KB	Output is correct
7	Correct	6 ms	1528 KB	Output is correct
8	Correct	7 ms	1660 KB	Output is correct
9	Correct	6 ms	1528 KB	Output is correct
10	Correct	6 ms	1528 KB	Output is correct
11	Correct	6 ms	1656 KB	Output is correct
12	Correct	6 ms	1528 KB	Output is correct
13	Correct	7 ms	1528 KB	Output is correct
14	Correct	27 ms	8952 KB	Output is correct
15	Correct	8 ms	4984 KB	Output is correct
16	Correct	21 ms	5368 KB	Output is correct
17	Correct	5 ms	504 KB	Output is correct
18	Correct	34 ms	9952 KB	Output is correct
19	Correct	30 ms	9848 KB	Output is correct
20	Correct	30 ms	9848 KB	Output is correct
21	Correct	34 ms	9976 KB	Output is correct
22	Correct	33 ms	9848 KB	Output is correct
23	Correct	30 ms	9720 KB	Output is correct
24	Correct	33 ms	9976 KB	Output is correct
25	Correct	33 ms	9752 KB	Output is correct
26	Correct	31 ms	9720 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	376 KB	Output is correct
5	Correct	7 ms	1656 KB	Output is correct
6	Correct	6 ms	1528 KB	Output is correct
7	Correct	6 ms	1528 KB	Output is correct
8	Correct	7 ms	1660 KB	Output is correct
9	Correct	6 ms	1528 KB	Output is correct
10	Correct	6 ms	1528 KB	Output is correct
11	Correct	6 ms	1656 KB	Output is correct
12	Correct	6 ms	1528 KB	Output is correct
13	Correct	7 ms	1528 KB	Output is correct
14	Correct	27 ms	8952 KB	Output is correct
15	Correct	8 ms	4984 KB	Output is correct
16	Correct	21 ms	5368 KB	Output is correct
17	Correct	5 ms	504 KB	Output is correct
18	Correct	34 ms	9952 KB	Output is correct
19	Correct	30 ms	9848 KB	Output is correct
20	Correct	30 ms	9848 KB	Output is correct
21	Correct	34 ms	9976 KB	Output is correct
22	Correct	33 ms	9848 KB	Output is correct
23	Correct	30 ms	9720 KB	Output is correct
24	Correct	33 ms	9976 KB	Output is correct
25	Correct	33 ms	9752 KB	Output is correct
26	Correct	31 ms	9720 KB	Output is correct
27	Correct	872 ms	154220 KB	Output is correct
28	Correct	23 ms	26360 KB	Output is correct
29	Correct	65 ms	13908 KB	Output is correct
30	Correct	8 ms	888 KB	Output is correct
31	Correct	656 ms	129172 KB	Output is correct
32	Correct	901 ms	153824 KB	Output is correct
33	Correct	837 ms	153304 KB	Output is correct
34	Correct	793 ms	149184 KB	Output is correct
35	Correct	842 ms	153592 KB	Output is correct
36	Correct	825 ms	152956 KB	Output is correct
37	Correct	913 ms	153564 KB	Output is correct
38	Correct	602 ms	128344 KB	Output is correct
39	Correct	604 ms	128120 KB	Output is correct