Submission #4206062


Source Code Expand

#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(x) (x).begin(),(x).end()
//#pragma GCC optimize ("-O3")
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); }
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
//---------------------------------------------------------------------------------------------------
struct UnionFind {
    vector<int> par; // uf(x,y)->y
    UnionFind() {}
    UnionFind(int NV) { init(NV); }
    void init(int NV) { par.clear(); rep(i, 0, NV) par.push_back(i); }
    void reset() { rep(i, 0, par.size()) par[i] = i; }
    int operator[](int x) { return par[x] == x ? x : par[x] = operator[](par[x]); }
    void operator()(int x, int y) { x = operator[](x); y = operator[](y); if (x != y) par[x] = y; }
};
/*---------------------------------------------------------------------------------------------------
            ∧_∧  
      ∧_∧  (´<_` )  Welcome to My Coding Space!
     ( ´_ゝ`) /  ⌒i     
    /   \     | |     
    /   / ̄ ̄ ̄ ̄/  |  
  __(__ニつ/     _/ .| .|____  
     \/____/ (u ⊃  
---------------------------------------------------------------------------------------------------*/







int E[4][4];
//---------------------------------------------------------------------------------------------------
void _main() {
    rep(i, 0, 3) {
        int a, b; cin >> a >> b;
        a--; b--;
        E[a][b] = E[b][a] = 1;
    }

    vector<int> ord;
    rep(i, 0, 4) ord.push_back(i);
    do {
        int ng = 0;
        rep(j, 0, 3) if (!E[ord[j]][ord[j + 1]]) ng = 1;
        if(!ng) {
            printf("YES\n");
            return;
        }
    } while(next_permutation(all(ord)));

    printf("NO\n");
}

Submission Info

Submission Time
Task B - Path
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 200
Code Size 2228 Byte
Status AC
Exec Time 1 ms
Memory 256 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 200 / 200
Status
AC × 3
AC × 13
Set Name Test Cases
Sample s1.txt, s2.txt, s3.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, s1.txt, s2.txt, s3.txt
Case Name Status Exec Time Memory
01.txt AC 1 ms 256 KiB
02.txt AC 1 ms 256 KiB
03.txt AC 1 ms 256 KiB
04.txt AC 1 ms 256 KiB
05.txt AC 1 ms 256 KiB
06.txt AC 1 ms 256 KiB
07.txt AC 1 ms 256 KiB
08.txt AC 1 ms 256 KiB
09.txt AC 1 ms 256 KiB
10.txt AC 1 ms 256 KiB
s1.txt AC 1 ms 256 KiB
s2.txt AC 1 ms 256 KiB
s3.txt AC 1 ms 256 KiB