제출 #80283

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
80283		Genezio	Lozinke (COCI17_lozinke)	C++14	10 / 100	1016 ms	66560 KiB

lozinke

#include<bits/stdc++.h>

 using namespace std;

 #define pii pair<int,int>
 #define mp make_pair
 #define F first
 #define S second
 #define pb push_back
 #define ll long long

 const int N = 100010;
 const int INF = 0x3f3f3f3f;
 const ll mod = 1e9+7;

 string s;
 map< string,set<int> > m;
 map< string,set<int> > subs;
 map< string,set<int> > f;
 string x;

 int main() {
 	ios::sync_with_stdio(false);
 	cin.tie(0);
    int n;
    cin>>n;
    int ans=0;
    for(int i=0;i<n;i++) {
        cin>>s;
        ans+=subs[s].size();
        //ans+=f[s].size();
        //cout<<i<<" "<<ans<<"\n";
        //f[s].insert(i);
        for(int k=0;k<s.size();k++) {
        	string p=x;
        	for(int j=k;j<s.size();j++) {
        		p+=s[j];
        		ans+=m[p].size();
        		//if(k==0&&j==s.size()-1) continue;
        		subs[p].insert(i);
        		//ans+=f[p].size();
        		//cout<<i<<" "<<k<<" "<<j<<" "<<ans<<"\n";
        	}
        }
        m[s].insert(i);
    }
    cout<<ans<<"\n";
    return 0;
 }

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:34:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int k=0;k<s.size();k++) {
                     ~^~~~~~~~~
lozinke.cpp:36:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
          for(int j=k;j<s.size();j++) {
                      ~^~~~~~~~~

• Subtask 1: 10 / 100