oj.uz

답안 #472793

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
472793 2021-09-14T10:41:39 Z AbdoMo Lozinke (COCI17_lozinke) C++17
65 / 100
 1000 ms 3400 KB 
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define pb push_back
const int mod = 1e9+7;
using namespace std;
bool comp(string a,string b)
{
    if(a.size()==b.size())
    {
        return a<b;
    }
    return a.size()<b.size();
}
void solve(){
    int n;
    cin>>n;
    vector<string>v;
    map<string,int>freq;
    set<string,decltype(comp)*>st(comp);
    for(int i=0;i<n;i++)
    {
        string s;
        cin>>s;
        st.insert(s);
        freq[s]++;
        v.pb(s);
    }
    sort(v.begin(),v.end(),comp);
    int ans=0;
    int c=1;
    auto it=st.begin();
    for(int i=0;i<n;i+=freq[v[i]],it++)
    {
        auto j=it;
        j++;
        ans+=freq[v[i]]*(freq[v[i]]-1);
        for(;j!=st.end();j++)
        {
            string x=*j;
            if(x.find(v[i])!=-1)
            {
                ans+=freq[*j]*freq[v[i]];
            }
        }
    }
    cout<<ans<<endl;
    /*

    */

}
int32_t main(){
	int t=1;
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //cin>>t;
	while(t--){solve();}
	return 0;
}

Compilation message

lozinke.cpp: In function 'void solve()':
lozinke.cpp:41:28: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |             if(x.find(v[i])!=-1)
      |                ~~~~~~~~~~~~^~~~
lozinke.cpp:31:9: warning: unused variable 'c' [-Wunused-variable]
   31 |     int c=1;
      |         ^

Subtask #1
65.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 19 ms 472 KB Output is correct
6 Correct 52 ms 460 KB Output is correct
7 Correct 70 ms 588 KB Output is correct
8 Correct 42 ms 460 KB Output is correct
9 Correct 960 ms 1592 KB Output is correct
10 Execution timed out 1087 ms 1736 KB Time limit exceeded
11 Execution timed out 1094 ms 2164 KB Time limit exceeded
12 Execution timed out 1085 ms 2328 KB Time limit exceeded
13 Execution timed out 1092 ms 3040 KB Time limit exceeded
14 Execution timed out 1091 ms 3400 KB Time limit exceeded
15 Execution timed out 1069 ms 3140 KB Time limit exceeded
16 Correct 78 ms 1476 KB Output is correct
17 Correct 12 ms 1484 KB Output is correct
18 Correct 15 ms 1484 KB Output is correct
19 Execution timed out 1092 ms 2956 KB Time limit exceeded
20 Correct 114 ms 1604 KB Output is correct