oj.uz

Submission #239124

# Submission time Handle Problem Language Result Execution time Memory
239124 2020-06-14T13:50:34 Z aggu_01000101 Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
 362 ms 158968 KB 
#include <bits/stdc++.h>
#define int long long
#define INF 1000000000000000
#define lchild(i) (i*2 + 1)
#define rchild(i) (i*2 + 2)
#define mid(l, u) ((l+u)/2)
#define x(p) p.first
#define y(p) p.second
#define MOD 998244353

using namespace std;
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int h, w;
    cin>>h>>w;
    char mat[h+1][w+1];
    int preo[h+1][w+1];
    int prer[h+1][w+1];
    for(int i = 1;i<=h;i++) for(int j = 1;j<=w;j++) preo[i][j] = prer[i][j] = 0;

    for(int i = 1;i<=h;i++){
        string s;
        cin>>s;
        for(int j = 1;j<=w;j++){
            mat[i][j] = s[j-1];
        }
    }
    int cnt = 0;
    for(int i = 1;i<=h;i++){
        preo[i][w] = (mat[i][w]=='O');
        for(int j = w-1;j>=1;j--){
            preo[i][j] = preo[i][j+1] + (mat[i][j]=='O');
        }
    }
    for(int j = 1;j<=w;j++){
        prer[h][j] = (mat[h][j] == 'I');
        for(int i = h-1;i>=1;i--){
            prer[i][j] = prer[i+1][j] + (mat[i][j]=='I');
        }
    }
    for(int i = 1;i<h;i++){
        for(int j = 1;j<w;j++){
            if(mat[i][j] == 'J') cnt += (preo[i][j+1] * prer[i+1][j]);
        }
    }
    cout<<cnt<<"\n";
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 560 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 560 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 10 ms 3712 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 7 ms 2560 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 10 ms 4736 KB Output is correct
19 Correct 9 ms 4608 KB Output is correct
20 Correct 10 ms 4608 KB Output is correct
21 Correct 11 ms 4736 KB Output is correct
22 Correct 9 ms 4608 KB Output is correct
23 Correct 10 ms 4608 KB Output is correct
24 Correct 10 ms 4736 KB Output is correct
25 Correct 9 ms 4608 KB Output is correct
26 Correct 10 ms 4608 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 560 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 10 ms 3712 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 7 ms 2560 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 10 ms 4736 KB Output is correct
19 Correct 9 ms 4608 KB Output is correct
20 Correct 10 ms 4608 KB Output is correct
21 Correct 11 ms 4736 KB Output is correct
22 Correct 9 ms 4608 KB Output is correct
23 Correct 10 ms 4608 KB Output is correct
24 Correct 10 ms 4736 KB Output is correct
25 Correct 9 ms 4608 KB Output is correct
26 Correct 10 ms 4608 KB Output is correct
27 Correct 346 ms 150136 KB Output is correct
28 Correct 5 ms 768 KB Output is correct
29 Correct 16 ms 11776 KB Output is correct
30 Correct 5 ms 768 KB Output is correct
31 Correct 253 ms 110456 KB Output is correct
32 Correct 330 ms 157816 KB Output is correct
33 Correct 336 ms 158456 KB Output is correct
34 Correct 277 ms 128124 KB Output is correct
35 Correct 331 ms 157816 KB Output is correct
36 Correct 325 ms 158328 KB Output is correct
37 Correct 362 ms 158968 KB Output is correct
38 Correct 217 ms 109560 KB Output is correct
39 Correct 232 ms 109944 KB Output is correct