제출 #968052

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
968052	2024-04-23 07:25:16	willychan	Line Town (CCO23_day1problem3)	C++17	0 / 25	1 ms	348 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
int main(){
  ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0);
  int n;
  cin>>n;
  vector<int> a(n);
  for(int i=0;i<n;i++) cin>>a[i];
  int prev = 0;
  vector<pair<int,int> > arr;
  for(int i=1;i<n;i++){
    if(a[i]!=a[i-1]){
      arr.push_back({i-prev,a[prev]});
      prev = i;
    }
  }
  arr.push_back({n-prev,a[prev]});
  int N = arr.size();
  int l = 0;
  int r = N;
  int cnt = 0;
  for(int i=N-1;i>=0;i--){
    if(arr[i].second==-1 && arr[i].first%2) {
 
 
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