Submission #942036

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
942036	2024-03-10T04:13:13 Z	carriewang	Bitaro the Brave (JOI19_ho_t1)	C++17	100 / 100	108 ms	160188 KB

joi2019_ho_t1

#include <bits/stdc++.h>
#define ll long long
#define vi vector<int>
#define vl vector<ll>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define sz(x) x.size()
#define all(x) x.begin(),x.end()
#define F first
#define S second
using namespace std;
const int maxn=3005;
ll h,w,a[maxn][maxn],b[maxn][maxn];
string s[maxn];
int main(){
    ios::sync_with_stdio(0),cin.tie(0);
    cin >> h >> w;
    for(int i=0;i<h;i++){
        cin >> s[i];
    }
    ll ans=0;
    for(int i=h-1;i>=0;i--){
        for(int j=w-1;j>=0;j--){
            a[i][j]=a[i+1][j];
            b[i][j]=b[i][j+1];
            if(s[i][j]=='I') a[i][j]++;
            else if(s[i][j]=='O') b[i][j]++;
            else ans+=a[i][j]*b[i][j];
        }
    }
    cout << ans << "\n";
}

Subtask #1

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	3160 KB	Output is correct
6	Correct	1 ms	3160 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	1 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	1 ms	3224 KB	Output is correct
11	Correct	1 ms	3164 KB	Output is correct
12	Correct	1 ms	3160 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct

Subtask #2

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	3160 KB	Output is correct
6	Correct	1 ms	3160 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	1 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	1 ms	3224 KB	Output is correct
11	Correct	1 ms	3164 KB	Output is correct
12	Correct	1 ms	3160 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	8 ms	18008 KB	Output is correct
15	Correct	3 ms	12632 KB	Output is correct
16	Correct	3 ms	10332 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	6 ms	18520 KB	Output is correct
19	Correct	4 ms	18268 KB	Output is correct
20	Correct	4 ms	18268 KB	Output is correct
21	Correct	6 ms	18780 KB	Output is correct
22	Correct	4 ms	18524 KB	Output is correct
23	Correct	5 ms	18560 KB	Output is correct
24	Correct	5 ms	18780 KB	Output is correct
25	Correct	5 ms	18480 KB	Output is correct
26	Correct	4 ms	18524 KB	Output is correct

Subtask #3

50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	604 KB	Output is correct
5	Correct	1 ms	3160 KB	Output is correct
6	Correct	1 ms	3160 KB	Output is correct
7	Correct	1 ms	3164 KB	Output is correct
8	Correct	1 ms	3164 KB	Output is correct
9	Correct	1 ms	3164 KB	Output is correct
10	Correct	1 ms	3224 KB	Output is correct
11	Correct	1 ms	3164 KB	Output is correct
12	Correct	1 ms	3160 KB	Output is correct
13	Correct	2 ms	3164 KB	Output is correct
14	Correct	8 ms	18008 KB	Output is correct
15	Correct	3 ms	12632 KB	Output is correct
16	Correct	3 ms	10332 KB	Output is correct
17	Correct	1 ms	604 KB	Output is correct
18	Correct	6 ms	18520 KB	Output is correct
19	Correct	4 ms	18268 KB	Output is correct
20	Correct	4 ms	18268 KB	Output is correct
21	Correct	6 ms	18780 KB	Output is correct
22	Correct	4 ms	18524 KB	Output is correct
23	Correct	5 ms	18560 KB	Output is correct
24	Correct	5 ms	18780 KB	Output is correct
25	Correct	5 ms	18480 KB	Output is correct
26	Correct	4 ms	18524 KB	Output is correct
27	Correct	108 ms	159088 KB	Output is correct
28	Correct	9 ms	44892 KB	Output is correct
29	Correct	6 ms	14804 KB	Output is correct
30	Correct	1 ms	852 KB	Output is correct
31	Correct	89 ms	130696 KB	Output is correct
32	Correct	83 ms	159960 KB	Output is correct
33	Correct	73 ms	159404 KB	Output is correct
34	Correct	104 ms	151632 KB	Output is correct
35	Correct	87 ms	159916 KB	Output is correct
36	Correct	72 ms	159440 KB	Output is correct
37	Correct	105 ms	160188 KB	Output is correct
38	Correct	65 ms	130388 KB	Output is correct
39	Correct	64 ms	130348 KB	Output is correct