답안 #167351

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
167351	2019-12-07T14:42:19 Z	theStaticMind	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	485 ms	154360 KB

joi2019_ho_t1

#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      int n,m,ans=0;
      cin>>n>>m;
      vector<string>s(n);
      vector<vector<int>>O(n,vector<int>(m+1,0)),I(n+1,vector<int>(m,0));
      for(int i=0;i<n;i++){
            cin>>s[i];
      }
      for(int i=0;i<n;i++){
            for(int j=m-1;j>=0;j--){
                  O[i][j]=O[i][j+1]+(s[i][j]=='O'?1:0);
            }
      }
      for(int j=0;j<m;j++){
            for(int i=n-1;i>=0;i--){
                  I[i][j]=I[i+1][j]+(s[i][j]=='I'?1:0);
            }
      }
      for(int i=0;i<n;i++){
            for(int j=0;j<m;j++){
                  if(s[i][j]=='J'){
                        ans+=O[i][j]*I[i][j];
                  }
            }
      }
      cout<<ans;
}

Subtask #1

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	504 KB	Output is correct
6	Correct	2 ms	504 KB	Output is correct
7	Correct	2 ms	504 KB	Output is correct
8	Correct	2 ms	504 KB	Output is correct
9	Correct	2 ms	504 KB	Output is correct
10	Correct	3 ms	504 KB	Output is correct
11	Correct	2 ms	504 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	504 KB	Output is correct

Subtask #2

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	504 KB	Output is correct
6	Correct	2 ms	504 KB	Output is correct
7	Correct	2 ms	504 KB	Output is correct
8	Correct	2 ms	504 KB	Output is correct
9	Correct	2 ms	504 KB	Output is correct
10	Correct	3 ms	504 KB	Output is correct
11	Correct	2 ms	504 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	504 KB	Output is correct
14	Correct	9 ms	3832 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	6 ms	2680 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	9 ms	4856 KB	Output is correct
19	Correct	9 ms	4600 KB	Output is correct
20	Correct	10 ms	4756 KB	Output is correct
21	Correct	10 ms	4856 KB	Output is correct
22	Correct	9 ms	4600 KB	Output is correct
23	Correct	9 ms	4728 KB	Output is correct
24	Correct	10 ms	4856 KB	Output is correct
25	Correct	8 ms	4600 KB	Output is correct
26	Correct	8 ms	4728 KB	Output is correct

Subtask #3

50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	2 ms	376 KB	Output is correct
5	Correct	2 ms	504 KB	Output is correct
6	Correct	2 ms	504 KB	Output is correct
7	Correct	2 ms	504 KB	Output is correct
8	Correct	2 ms	504 KB	Output is correct
9	Correct	2 ms	504 KB	Output is correct
10	Correct	3 ms	504 KB	Output is correct
11	Correct	2 ms	504 KB	Output is correct
12	Correct	2 ms	504 KB	Output is correct
13	Correct	2 ms	504 KB	Output is correct
14	Correct	9 ms	3832 KB	Output is correct
15	Correct	2 ms	504 KB	Output is correct
16	Correct	6 ms	2680 KB	Output is correct
17	Correct	2 ms	376 KB	Output is correct
18	Correct	9 ms	4856 KB	Output is correct
19	Correct	9 ms	4600 KB	Output is correct
20	Correct	10 ms	4756 KB	Output is correct
21	Correct	10 ms	4856 KB	Output is correct
22	Correct	9 ms	4600 KB	Output is correct
23	Correct	9 ms	4728 KB	Output is correct
24	Correct	10 ms	4856 KB	Output is correct
25	Correct	8 ms	4600 KB	Output is correct
26	Correct	8 ms	4728 KB	Output is correct
27	Correct	419 ms	146140 KB	Output is correct
28	Correct	4 ms	1016 KB	Output is correct
29	Correct	19 ms	11768 KB	Output is correct
30	Correct	3 ms	760 KB	Output is correct
31	Correct	300 ms	108508 KB	Output is correct
32	Correct	418 ms	153440 KB	Output is correct
33	Correct	416 ms	153848 KB	Output is correct
34	Correct	359 ms	125276 KB	Output is correct
35	Correct	418 ms	153412 KB	Output is correct
36	Correct	422 ms	153848 KB	Output is correct
37	Correct	485 ms	154360 KB	Output is correct
38	Correct	276 ms	107892 KB	Output is correct
39	Correct	276 ms	108488 KB	Output is correct