제출 #472823

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
472823		Ahmed57	Lozinke (COCI17_lozinke)	C++14	100 / 100	444 ms	16580 KiB

lozinke

#include<bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    map<string,int> mp;
    long long n,ans = 0;
    cin>>n;
    vector<string> v(n);
    for(int i = 0;i<n;i++){
        string s;
        cin>>s;
        v[i]=s;
        map<string,int> ch;
        for(int j = 0;j<s.size();j++){
            for(int k = j+1;k<=s.size();k++){
                string f = s.substr(j,k-j);
                if(ch[f]==0){
                    ch[f]=1;
                    mp[f]++;
                }
            }
        }
    }
    for(int i = 0;i<n;i++){
        ans+=mp[v[i]]-1;
    }
    cout<<ans<<"\n";
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:16:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |         for(int j = 0;j<s.size();j++){
      |                       ~^~~~~~~~~
lozinke.cpp:17:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |             for(int k = j+1;k<=s.size();k++){
      |                             ~^~~~~~~~~~

• Subtask 1: 100 / 100