제출 #836264

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
836264		ALeonidou	Thousands Islands (IOI22_islands)	C++17	6.75 / 100	27 ms	5192 KiB

islands

#include "islands.h"

#include <variant>
#include <bits/stdc++.h>

using namespace std;
#define ll int
#define sz(x) (ll)x.size()
#define F first
#define S second
#define MID ((l+r)/2)
#define pb push_back
#define dbg(x) cout<<#x<<": "<<x<<endl;
#define dbg2(x,y) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<endl;
#define dbg3(x,y,z) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<endl;
#define dbg4(x,y,z,w) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<" "<<#w<<": "<<w<<endl;
#define dbg5(x,y,z,w,q) cout<<#x<<": "<<x<<" "<<#y<<": "<<y<<" "<<#z<<": "<<z<<" "<<#w<<": "<<w<<" "<<#q<<": "<<q<<endl;


typedef vector <ll> vi;
typedef pair <ll,ll> ii;
typedef vector <ii> vii;
#define MOD 1000002022
#define inf 1e9

variant<bool, vi> find_journey(int N, int M, vi U, vi V){
    ll n = N, m = M;
    vi a, b;

    for (ll i =0; i<m; i++){
        if (U[i] == 0) a.pb(i);
        else b.pb(i);
    }

    bool ok =  (sz(a) >= 2 && sz(b) >= 1);
    
    vi v(6);
    if (ok){
        vi v(6);
        ll x = a[0], y = b[0], z = a[1];
        v[0] = x, v[1] = y, v[2] = z;
        v[3] = x, v[4] = y, v[5] = z;
        return v;
    }
    return false;
}

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, vi, vi)':
islands.cpp:27:8: warning: unused variable 'n' [-Wunused-variable]
   27 |     ll n = N, m = M;
      |        ^

• Subtask 1: 5 / 5
• Subtask 2: 1.75 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45