제출 #647073

#제출 시각아이디문제언어결과실행 시간메모리
647073google회문 (APIO14_palindrome)C++17
8 / 100
1092 ms131072 KiB
#include<bits/stdc++.h> using namespace std; typedef long long ll; map<string,ll> m; int main(){ cin.tie(0)->sync_with_stdio(0); string s; cin >> s; int n = int(s.size()); for (int i = 0;i<n;i++){ string t = ""; for (int j = i;j<n;j++){ t += s[j]; m[t]++; } } ll ans = 0; for (auto [a,b]:m) { int sz = a.size()/2, bb = 0; for (int i = 0;i<=sz;i++){ if (a[i] != a[a.size()-i-1]) { bb = 1; break; } } if (bb) continue; ans = max(ans,b*int(a.size())); } cout << ans; return 0; }
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