제출 #116809

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
116809		minhcool	Lozinke (COCI17_lozinke)	C++17	100 / 100	193 ms	2936 KiB

lozinke

#include<bits/stdc++.h>
using namespace std;

#define int long long
int n, ans;
map<string, int> mp;
set<string> se2;
set<string> se;

signed main(){
    ios_base::sync_with_stdio(0);
    cin >> n;
    for(int i = 1; i <= n; i++){
        string x;
        cin >> x;
        mp[x]++;
        se.insert(x);
    }
    for(map<string, int>::iterator it = mp.begin(); it != mp.end(); it++){
        int cnt = 0;
        string x = it->first;
        se2.clear();
        for(int i = 0; i < x.length(); i++){
            for(int j = 1; j + i <= x.length(); j++){
                string tmp = x.substr(i, j);
                if(se.find(tmp) != se.end() && se2.find(tmp) == se2.end()){
                    //cout << i << " " << j << " " << x << " " << tmp << "\n";
                    cnt += mp[tmp];
                    se2.insert(tmp);
                }
            }
        }
        cnt--;
        ans += cnt * it->second;
        //cout << x << " " << cnt << endl;
    }
    cout << ans;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:23:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < x.length(); i++){
                        ~~^~~~~~~~~~~~
lozinke.cpp:24:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int j = 1; j + i <= x.length(); j++){
                            ~~~~~~^~~~~~~~~~~~~

• Subtask 1: 100 / 100