제출 #647071

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
647071		google	회문 (APIO14_palindrome)	C++17	0 / 100	1085 ms	131072 KiB

palindrome

#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;
    for (int i = 0;i<s.size();i++){
        string t = "";
        for (int j = i;j<s.size();j++){
            t += s[j];
            m[t]++;
        }
    }
    ll ans = 0;
    for (auto [a,b]:m) ans = max(ans,b*int(a.size()));
    cout << ans;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

palindrome.cpp: In function 'int main()':
palindrome.cpp:8:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0;i<s.size();i++){
      |                    ~^~~~~~~~~
palindrome.cpp:10:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for (int j = i;j<s.size();j++){
      |                        ~^~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 26
• Subtask 5: 0 / 27