제출 #116880

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
116880		TienDungz	Lozinke (COCI17_lozinke)	C++14	5 / 100	366 ms	33384 KiB

lozinke

#include<bits/stdc++.h>
#define int long long
using namespace std;
int res=0,n,fact[300005];
string t;
vector<string> adj;
map<string,int> cnt;
map<string,bool> cur[300005];
bool cmp (string a,string b)
{
	return a.length()<b.length();
}
signed main()
{
	cin>>n;
	fact[0]=1;
	for(int i=1;i<=200005;i++)
	fact[i]=fact[i-1]*i;
	for(int i=1;i<=n;i++)
	{
		cin>>t;
		adj.push_back(t);
	}
	sort(adj.begin(),adj.end(),cmp);
	adj.push_back("b");
	for(int i=0;i<n;i++)
	{
		for(int k=1;k<=adj[i].length()-1;k++)
		{
			string s[50];
			for(int j=0;j<=(adj[i].length()-1)-k+1;j++)
			{
				s[j]=adj[i].substr(j,k);
				if(cnt[s[j]]>=1&&cur[i][s[j]]==false) 
				{
					res+=cnt[s[j]];
					cur[i][s[j]]=true;
				}
			}
		}
		cnt[adj[i]]++;
		if(cnt[adj[i]]>=2&&adj[i+1]!=adj[i])
		{
			res+=fact[cnt[adj[i]]]/fact[cnt[adj[i]]-2];
		}
	}
	cout<<res;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:28:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=1;k<=adj[i].length()-1;k++)
               ~^~~~~~~~~~~~~~~~~~~
lozinke.cpp:31:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j<=(adj[i].length()-1)-k+1;j++)
                ~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 100