Submission #544900

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
544900	2022-04-03T05:43:01 Z	inluminas	Bitaro the Brave (JOI19_ho_t1)	C++14	100 / 100	158 ms	89356 KB

joi2019_ho_t1

#include"bits/stdc++.h"
using namespace std;

#define ll long long
#define endl "\n"
#define fastio ios_base::sync_with_stdio(false)
#define inf LLONG_MAX

int main(){
	fastio;

	int h,w;
	cin>>h>>w;
	string s[h+1];
	int o[h+1][w+1],I[h+1][w+1];
	for(int i=1;i<=h;i++){
		cin>>s[i];
	}
	for(int i=0;i<=h;i++){
		for(int j=0;j<=w;j++){
			o[i][j]=I[i][j]=0;
		}
	}
	for(int i=1;i<=h;i++){
		for(int j=1;j<=w;j++){
			o[i][j]=o[i][j-1];
			I[i][j]=I[i-1][j];
			if(s[i][j-1]=='I') I[i][j]++;
			if(s[i][j-1]=='O') o[i][j]++;
		}
	}

	ll ans=0;

	for(int i=1;i<=h;i++){
		for(int j=1;j<=w;j++){
			if(s[i][j-1]=='J'){
				ans+=(o[i][w]-o[i][j])*(I[h][j]-I[i][j]);
			}
		}
	}
	cout<<ans<<endl;
	return 0;
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	4 ms	2132 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	1492 KB	Output is correct
17	Correct	1 ms	316 KB	Output is correct
18	Correct	5 ms	2772 KB	Output is correct
19	Correct	3 ms	2640 KB	Output is correct
20	Correct	3 ms	2644 KB	Output is correct
21	Correct	5 ms	2772 KB	Output is correct
22	Correct	3 ms	2644 KB	Output is correct
23	Correct	3 ms	2644 KB	Output is correct
24	Correct	5 ms	2792 KB	Output is correct
25	Correct	3 ms	2692 KB	Output is correct
26	Correct	3 ms	2628 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	4 ms	2132 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	2 ms	1492 KB	Output is correct
17	Correct	1 ms	316 KB	Output is correct
18	Correct	5 ms	2772 KB	Output is correct
19	Correct	3 ms	2640 KB	Output is correct
20	Correct	3 ms	2644 KB	Output is correct
21	Correct	5 ms	2772 KB	Output is correct
22	Correct	3 ms	2644 KB	Output is correct
23	Correct	3 ms	2644 KB	Output is correct
24	Correct	5 ms	2792 KB	Output is correct
25	Correct	3 ms	2692 KB	Output is correct
26	Correct	3 ms	2628 KB	Output is correct
27	Correct	157 ms	84388 KB	Output is correct
28	Correct	1 ms	596 KB	Output is correct
29	Correct	7 ms	6736 KB	Output is correct
30	Correct	1 ms	468 KB	Output is correct
31	Correct	106 ms	62112 KB	Output is correct
32	Correct	86 ms	88760 KB	Output is correct
33	Correct	88 ms	89036 KB	Output is correct
34	Correct	128 ms	71876 KB	Output is correct
35	Correct	88 ms	88780 KB	Output is correct
36	Correct	87 ms	89132 KB	Output is correct
37	Correct	158 ms	89356 KB	Output is correct
38	Correct	60 ms	61560 KB	Output is correct
39	Correct	58 ms	61848 KB	Output is correct