제출 #1315494

#제출 시각아이디문제언어결과실행 시간메모리
1315494AgageldiBitaro the Brave (JOI19_ho_t1)C++20
20 / 100
1096 ms16288 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define N 500005 int tc = 1, n, a[N], ans, m; string s[N]; int32_t main() { ios::sync_with_stdio(0);cin.tie(0); cin >> n >> m; for(int i = 1; i <= n; i++) { cin >> s[i]; s[i] = '.' + s[i]; } for(int i=1; i <= n; i++) { for(int j = 1; j <= m; j++) { if(s[i][j]=='J') { for(int l = j + 1; l <= m; l++) { if(s[i][l] == 'O') { for(int k = i + 1; k <= n; k++) { if(s[k][j] == 'I') { ans++; // cout << i << " " << j << " " << k << " " << l << '\n'; } } } } } } } cout << ans << '\n'; return 0; }
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