제출 #786567

#제출 시각아이디문제언어결과실행 시간메모리
786567Dan4LifeSelling RNA Strands (JOI16_selling_rna)C++17
35 / 100
1560 ms11724 KiB
#include <bits/stdc++.h> using namespace std; #define sz(a) (int)a.size() const int mxN = (int)1e5+10; int n,m; string s[mxN]; int main() { cin >> n >> m; for(int i = 0; i < n; i++) cin >> s[i]; for(int i = 0; i < m; i++){ string a,b; cin>>a >> b; int ans = 0; for(int j = 0; j < m; j++){ if(sz(s[j])<max(sz(a),sz(b))) continue; if(s[j].substr(0,sz(a))==a and s[j].substr(sz(s[j])-sz(b),sz(b))==b)ans++; } cout << ans << "\n"; } }
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