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Submission #862547

# Submission time Handle Problem Language Result Execution time Memory
862547 2023-10-18T13:17:32 Z Ninedesu Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 289 ms 159264 KB 
#include<bits/stdc++.h>
#define ll long long
using namespace std;

const int N=3002;
int n,m;
ll ans;
ll dpi[N][N],dpo[N][N];
string s,mp[N];

int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n >> m;
    for(int i=1; i<=n; i++){
        cin >> s;
        mp[i]="x"+s;
    }
    for(int i=n; i>=1; i--){
        for(int j=1; j<=m; j++){
            dpi[i][j]=dpi[i+1][j];
            if(mp[i][j]=='I')dpi[i][j]++;
        }
    }
    for(int j=m; j>=1; j--){
        for(int i=1; i<=n; i++){
            dpo[i][j]=dpo[i][j+1];
            if(mp[i][j]=='O')dpo[i][j]++;
        }
    }
    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            if(mp[i][j]=='J'&&dpi[i][j]&&dpo[i][j])ans+=dpi[i][j]*dpo[i][j];
        }
    }
    cout << ans;

    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 3088 KB Output is correct
6 Correct 1 ms 3164 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 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 3088 KB Output is correct
6 Correct 1 ms 3164 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 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 6 ms 16476 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 9052 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 6 ms 16988 KB Output is correct
19 Correct 4 ms 16988 KB Output is correct
20 Correct 5 ms 15704 KB Output is correct
21 Correct 7 ms 17244 KB Output is correct
22 Correct 5 ms 17244 KB Output is correct
23 Correct 5 ms 15628 KB Output is correct
24 Correct 6 ms 17240 KB Output is correct
25 Correct 5 ms 17236 KB Output is correct
26 Correct 6 ms 15708 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 604 KB Output is correct
5 Correct 1 ms 3088 KB Output is correct
6 Correct 1 ms 3164 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 3164 KB Output is correct
11 Correct 1 ms 3164 KB Output is correct
12 Correct 1 ms 3164 KB Output is correct
13 Correct 1 ms 3164 KB Output is correct
14 Correct 6 ms 16476 KB Output is correct
15 Correct 2 ms 12380 KB Output is correct
16 Correct 2 ms 9052 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 6 ms 16988 KB Output is correct
19 Correct 4 ms 16988 KB Output is correct
20 Correct 5 ms 15704 KB Output is correct
21 Correct 7 ms 17244 KB Output is correct
22 Correct 5 ms 17244 KB Output is correct
23 Correct 5 ms 15628 KB Output is correct
24 Correct 6 ms 17240 KB Output is correct
25 Correct 5 ms 17236 KB Output is correct
26 Correct 6 ms 15708 KB Output is correct
27 Correct 266 ms 158248 KB Output is correct
28 Correct 10 ms 63836 KB Output is correct
29 Correct 7 ms 14512 KB Output is correct
30 Correct 1 ms 856 KB Output is correct
31 Correct 208 ms 130788 KB Output is correct
32 Correct 232 ms 159056 KB Output is correct
33 Correct 233 ms 158804 KB Output is correct
34 Correct 223 ms 151612 KB Output is correct
35 Correct 245 ms 159248 KB Output is correct
36 Correct 242 ms 158800 KB Output is correct
37 Correct 289 ms 159264 KB Output is correct
38 Correct 163 ms 130652 KB Output is correct
39 Correct 162 ms 130472 KB Output is correct