Submission #105992

# Submission time Handle Problem Language Result Execution time Memory
105992 2019-04-16T05:36:14 Z Hideo Bitaro the Brave (JOI19_ho_t1) C++14
100 / 100
980 ms 88812 KB
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define mk make_pair
#define fr first
#define sc second
#define vi vector < int >
#define vl vector < ll >
#define pi pair < int, int >
#define pii pair < int, pi >
#define vii vector < pi >

const int N = 3007;
const int INF = 1e9 + 7;

char a[N][N];
int orb[N][N], ing[N][N];
int n, m;

ll ans;

main(){
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> a[i][j];

    for (int i = 1; i <= n; i++){
        for (int j = m; j >= 1; j--){
            orb[i][j] = orb[i][j + 1];
            if (a[i][j] == 'O')
                orb[i][j]++;
        }
    }
    for (int j = 1; j <= m; j++){
        for (int i = n; i >= 1; i--){
            ing[i][j] = ing[i + 1][j];
            if (a[i][j] == 'I')
                ing[i][j]++;
        }
    }
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            if (a[i][j] == 'J')
                ans += (ll) orb[i][j] * ing[i][j];
    cout << ans;
}

Compilation message

joi2019_ho_t1.cpp:24:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
# Verdict Execution time Memory Grader output
1 Correct 3 ms 408 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 5 ms 1536 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 3 ms 1408 KB Output is correct
8 Correct 5 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 4 ms 1380 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 408 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 5 ms 1536 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 3 ms 1408 KB Output is correct
8 Correct 5 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 4 ms 1380 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct
14 Correct 22 ms 7552 KB Output is correct
15 Correct 8 ms 4992 KB Output is correct
16 Correct 15 ms 4352 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 37 ms 8016 KB Output is correct
19 Correct 28 ms 8060 KB Output is correct
20 Correct 26 ms 7876 KB Output is correct
21 Correct 27 ms 8184 KB Output is correct
22 Correct 25 ms 7928 KB Output is correct
23 Correct 26 ms 7900 KB Output is correct
24 Correct 26 ms 8056 KB Output is correct
25 Correct 27 ms 7928 KB Output is correct
26 Correct 26 ms 7800 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 408 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 5 ms 1536 KB Output is correct
6 Correct 5 ms 1536 KB Output is correct
7 Correct 3 ms 1408 KB Output is correct
8 Correct 5 ms 1536 KB Output is correct
9 Correct 4 ms 1536 KB Output is correct
10 Correct 4 ms 1380 KB Output is correct
11 Correct 4 ms 1536 KB Output is correct
12 Correct 4 ms 1536 KB Output is correct
13 Correct 4 ms 1408 KB Output is correct
14 Correct 22 ms 7552 KB Output is correct
15 Correct 8 ms 4992 KB Output is correct
16 Correct 15 ms 4352 KB Output is correct
17 Correct 3 ms 512 KB Output is correct
18 Correct 37 ms 8016 KB Output is correct
19 Correct 28 ms 8060 KB Output is correct
20 Correct 26 ms 7876 KB Output is correct
21 Correct 27 ms 8184 KB Output is correct
22 Correct 25 ms 7928 KB Output is correct
23 Correct 26 ms 7900 KB Output is correct
24 Correct 26 ms 8056 KB Output is correct
25 Correct 27 ms 7928 KB Output is correct
26 Correct 26 ms 7800 KB Output is correct
27 Correct 907 ms 88184 KB Output is correct
28 Correct 29 ms 26104 KB Output is correct
29 Correct 46 ms 7800 KB Output is correct
30 Correct 4 ms 640 KB Output is correct
31 Correct 703 ms 72960 KB Output is correct
32 Correct 840 ms 88788 KB Output is correct
33 Correct 826 ms 88416 KB Output is correct
34 Correct 696 ms 84412 KB Output is correct
35 Correct 839 ms 88604 KB Output is correct
36 Correct 790 ms 88480 KB Output is correct
37 Correct 980 ms 88812 KB Output is correct
38 Correct 590 ms 72780 KB Output is correct
39 Correct 598 ms 72568 KB Output is correct