제출 #165781

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
165781		muhi1112	Lozinke (COCI17_lozinke)	C++17	100 / 100	371 ms	15256 KiB

lozinke

#include <bits/stdc++.h>
using namespace std;
 
#define endl '\n'
#define f1 first
#define s2 second
#define pb push_back
#define mp make_pair
#define ll long long
#define fri(a) freopen(a,"r",stdin);
#define fro(a) freopen(a,"w",stdout);
const int N=405;
 
int n,ans;
string s;
vector<string>str;
unordered_set<string>sety;
unordered_map<string,int>cnt;

int main(){
	//fri("in.txt");
	//fro("out.txt");
	ios_base::sync_with_stdio(false); 
    cin.tie(NULL); 
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>s;
		cnt[s]++;
		str.pb(s);
		//sety.insert(s);
	}
	for(int i=0;i<n;i++){
		set<string>sety;
		for(int j=0;j<str[i].length();j++){
			for(int p=1;p+j<=str[i].length();p++){
				string s1 (str[i],j,p);
				if(sety.count(s1)){
					continue;
				}
				sety.insert(s1);
				if(cnt[s1]>1 && s1==str[i]){
					ans+=cnt[s1]-1;
					//cout<<s1<<" ";
				}
				else if(s1!=str[i]){
					ans+=cnt[s1];
				}
			}
		}
	}
	cout<<ans<<endl;
return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:34:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<str[i].length();j++){
               ~^~~~~~~~~~~~~~~~
lozinke.cpp:35:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int p=1;p+j<=str[i].length();p++){
                ~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100