제출 #155205

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
155205		GoldNextYear	Lozinke (COCI17_lozinke)	C++14	100 / 100	596 ms	16792 KiB

lozinke

#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 340
#define mid (l+r)/2
#define pb push_back
#define pob pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n,ans;
string s[20009];
map<string,int>mp;
map<string,int>done;
int main(){
        fast;
        cin>>n;
        for(int i=0;i<n;i++)cin>>s[i],mp[s[i]]++;
        for(int i=0;i<n;i++){
                mp[s[i]]--;
                string x=s[i];
                for(int j=0;j<x.size();j++){
                        string ret="";
                        for(int k=j;k<x.size();k++){
                                ret+=x[k];
                                if(!done[ret]){
                                        ans+=mp[ret];
                                        done[ret]=1;
                                }
                        }
                }
                done.clear();
                mp[s[i]]++;
        }
        cout<<ans<<endl;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:39:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(int j=0;j<x.size();j++){
                             ~^~~~~~~~~
lozinke.cpp:41:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                         for(int k=j;k<x.size();k++){
                                     ~^~~~~~~~~

• Subtask 1: 100 / 100