oj.uz

답안 #464634

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
464634 2021-08-13T14:47:52 Z aihay Zamjena (COCI18_zamjena) C++14
70 / 70
 266 ms 44208 KB 
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("-Ofast")
#include <bits/stdc++.h>
using namespace std;

typedef int in;
#define int long long
#define f first
#define s second
#define pb push_back
#define pp push
#define double long double
#define ceil(x,y) (x/y)+(x%y!=0)*((double)(1.0*x/y)<0?0:1)
#define floor(x,y) (x/y)+(x%y!=0)*((double)(1.0a*x/y)<0?-1:0)
const int MAX=1e7;
const int MOD=1e9+7;
const int MAAX=1e18;

string arr[500010],arr2[500010];
map<string,vector<string> >mp;
map<string,int> vis;
set<string> fun(string idx){
    set<string> ans;
    if(vis[idx])
        return ans;
    vis[idx]=1;
    for(int i=0;i<mp[idx].size()&&ans.size()<2;i++){
        set<string>x=fun(mp[idx][i]);
        set<string>::iterator it;
        for(it=x.begin();it!=x.end()&&ans.size()<2;it++){
            ans.insert(*it);
        }
    }
    if(idx[0]>='0'&&idx[0]<='9')
        ans.insert(idx);
    return ans;
}

in main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int tc=1;
    //cin>>tc;
    while(tc--){
        int n;
        cin>>n;
        for(int i=0;i<n;i++){
            cin>>arr[i];
        }
        for(int i=0;i<n;i++){
            string s;
            cin>>s;
            arr2[i]=s;
            mp[arr[i]].pb(s);
            mp[s].pb(arr[i]);
        }
        bool bol=1;
        for(int i=0;i<n;i++){
            bol&=(fun(arr[i]).size()>1?0:1);
            bol&=(fun(arr2[i]).size()>1?0:1);
        }
        cout<<(bol?"DA\n":"NE\n");
    }
}

Compilation message

zamjena.cpp: In function 'std::set<std::__cxx11::basic_string<char> > fun(std::string)':
zamjena.cpp:28:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i=0;i<mp[idx].size()&&ans.size()<2;i++){
      |                 ~^~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 31628 KB Output is correct
2 Correct 22 ms 31548 KB Output is correct
3 Correct 22 ms 31612 KB Output is correct
4 Correct 22 ms 31564 KB Output is correct
5 Correct 24 ms 31556 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 31568 KB Output is correct
2 Correct 20 ms 31624 KB Output is correct
3 Correct 21 ms 31596 KB Output is correct
4 Correct 20 ms 31628 KB Output is correct
5 Correct 22 ms 31564 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 31564 KB Output is correct
2 Correct 21 ms 31564 KB Output is correct
3 Correct 22 ms 31564 KB Output is correct
4 Correct 21 ms 31564 KB Output is correct
5 Correct 22 ms 31580 KB Output is correct
6 Correct 25 ms 31556 KB Output is correct

Subtask #4
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 31872 KB Output is correct
2 Correct 34 ms 31756 KB Output is correct
3 Correct 27 ms 32276 KB Output is correct
4 Correct 36 ms 32356 KB Output is correct
5 Correct 27 ms 32400 KB Output is correct
6 Correct 30 ms 32204 KB Output is correct

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 33892 KB Output is correct
2 Correct 80 ms 35760 KB Output is correct
3 Correct 135 ms 38716 KB Output is correct
4 Correct 167 ms 40220 KB Output is correct
5 Correct 266 ms 44208 KB Output is correct
6 Correct 206 ms 40260 KB Output is correct