제출 #119276

#제출 시각아이디문제언어결과실행 시간메모리
119276tutisBitaro the Brave (JOI19_ho_t1)C++17
50 / 100
1073 ms14692 KiB
/*input 4 4 JJOO JJOO IIJO IIIJ */ #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; int main() { ios_base::sync_with_stdio(false); int n, m; cin >> n >> m; string s[n]; for (int i = 0; i < n; i++) cin >> s[i]; ll ans = 0; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { if (s[i][j] != 'J') continue; ll O = 0; ll I = 0; for (int a = i + 1; a < n; a++) I += (s[a][j] == 'I'); for (int a = j + 1; a < m; a++) O += (s[i][a] == 'O'); ans += O * I; } } cout << ans << "\n"; }
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