제출 #116905

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
116905		TienDungz	Lozinke (COCI17_lozinke)	C++14	55 / 100	240 ms	27936 KiB

lozinke

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

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:25:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int k=1;k<=adj[i].length()-1;k++)
               ~^~~~~~~~~~~~~~~~~~~
lozinke.cpp:28:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j<=(adj[i].length()-1)-k+1;j++)
                ~^~~~~~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:45:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<bump.size();i++)
              ~^~~~~~~~~~~~

• Subtask 1: 55 / 100