Submission #750670

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
750670	2023-05-30 05:58:57	findingFish	Potatoes and fertilizers (LMIO19_bulves)	C++17	100 / 100	141 ms	19140 KiB

bulves

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#include "bits/stdc++.h"
using namespace std;
 
const int N = 5e5 + 5;
long long a[N], b[N];
 
signed main(){
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n; cin >> n;
  long long res = 0;
  for(int i=1;i<=n;i++){
    cin >> a[i] >> b[i];
    a[i] -= b[i];
    a[i] += a[i-1];
  }
  
  long long mx = a[n]; assert(0 <= mx);
  for(int i=1;i<=n;i++){
    if(a[i] < 0){
      res -= a[i];
      a[i] = 0;
    }
    if(a[i] > mx){
      res += (a[i] - mx);
      a[i] = mx;
    }
  }
  
  priority_queue<long long> q;
 
 
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• Subtask 1: 24 / 24
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 36 / 36