제출 #1193898

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1193898		veehj	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	45 ms	440 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fi first
#define se second
#define pb push_back
#define sz(a) (ll) a.size()
#define all(x) (x).begin(), (x).end()
#define rep(i, a, b) for(ll i=a; i<b; i++)
#define rrep(i, a, b) for(ll i=a; i>=b; i--)
#define vl vector<ll>
#define vpll vector<pair<ll, ll>>
#define vvl vector<vector<ll>>
#define pll pair<ll, ll>
ll n;
vector<bool> curr;

void f() {
  cin >> n;
  curr.assign(n, 0);
  ll q, ans=0; cin >> q;
  rep(i, 0, q){
    ll x; cin >> x;
    if(x<0){
      curr[-x]=0;
    } else {
      if(curr[x]==1){
        ans++;
        curr.assign(n, 0);
        curr[x]=1;
      } else {
        curr[x]=1;
      }
    }
  }  
  cout << ans;
}

int main() {
  int tc = 1;
  // cin >> tc;
  for (int i = 1; i <= tc; i++) {
    // cout << '#' << i << endl;
    f();
    cout << endl;
  }
}

• Subtask 1: 29 / 29
• Subtask 2: 34 / 34
• Subtask 3: 22 / 22
• Subtask 4: 15 / 15