답안 #777088

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
777088 2023-07-08T16:06:55 Z teokakabadze Bitaro the Brave (JOI19_ho_t1) C++17
100 / 100
201 ms 159000 KB
#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define int long long
#define N 200005
#define pii pair<int, int>
#define piii pair<int, pii>
using namespace std;

int n, m, i, j, d[3003][3003], r[3003][3003], ans;
char a[3003][3003];

main()
{
    std::ios::sync_with_stdio(0);
    cin.tie(0);
    
    cin >> n >> m;
    for(i = 0; i < n; i++)
    for(j = 0; j < m; j++)
    cin >> a[i][j];
    for(i = n - 1; i >= 0; i--)
    for(j = m - 1; j >= 0; j--)
    {
        if(j == m - 1) r[i][j] = 0;
        else if(a[i][j + 1] == 'O') r[i][j] = r[i][j + 1] + 1;
        else r[i][j] = r[i][j + 1];
        
        if(i == n - 1) d[i][j] = 0;
        else if(a[i + 1][j] == 'I') d[i][j] = d[i + 1][j] + 1;
        else d[i][j] = d[i + 1][j];
        
        if(a[i][j] == 'J') ans += r[i][j] * d[i][j];
    }
    cout << ans << '\n';
}

Compilation message

joi2019_ho_t1.cpp:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main()
      | ^~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 8948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 5224 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 8 ms 9940 KB Output is correct
19 Correct 7 ms 9812 KB Output is correct
20 Correct 7 ms 9768 KB Output is correct
21 Correct 9 ms 9904 KB Output is correct
22 Correct 7 ms 9812 KB Output is correct
23 Correct 7 ms 9684 KB Output is correct
24 Correct 7 ms 9940 KB Output is correct
25 Correct 7 ms 9696 KB Output is correct
26 Correct 7 ms 9696 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 1492 KB Output is correct
6 Correct 2 ms 1492 KB Output is correct
7 Correct 1 ms 1364 KB Output is correct
8 Correct 1 ms 1492 KB Output is correct
9 Correct 1 ms 1492 KB Output is correct
10 Correct 1 ms 1364 KB Output is correct
11 Correct 1 ms 1492 KB Output is correct
12 Correct 1 ms 1492 KB Output is correct
13 Correct 1 ms 1364 KB Output is correct
14 Correct 7 ms 8948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 4 ms 5224 KB Output is correct
17 Correct 1 ms 468 KB Output is correct
18 Correct 8 ms 9940 KB Output is correct
19 Correct 7 ms 9812 KB Output is correct
20 Correct 7 ms 9768 KB Output is correct
21 Correct 9 ms 9904 KB Output is correct
22 Correct 7 ms 9812 KB Output is correct
23 Correct 7 ms 9684 KB Output is correct
24 Correct 7 ms 9940 KB Output is correct
25 Correct 7 ms 9696 KB Output is correct
26 Correct 7 ms 9696 KB Output is correct
27 Correct 201 ms 158448 KB Output is correct
28 Correct 11 ms 26324 KB Output is correct
29 Correct 13 ms 13888 KB Output is correct
30 Correct 1 ms 740 KB Output is correct
31 Correct 140 ms 131364 KB Output is correct
32 Correct 158 ms 158828 KB Output is correct
33 Correct 146 ms 158344 KB Output is correct
34 Correct 158 ms 152236 KB Output is correct
35 Correct 153 ms 159000 KB Output is correct
36 Correct 148 ms 158412 KB Output is correct
37 Correct 188 ms 158924 KB Output is correct
38 Correct 116 ms 130764 KB Output is correct
39 Correct 122 ms 130680 KB Output is correct