Submission #951220

#	Time	Username	Problem	Language	Result	Execution time	Memory
951220		NourWael	Fuel Station (NOI20_fuelstation)	C++17	24 / 100	3072 ms	11840 KiB

FuelStation

#include <bits/stdc++.h>
#define int long long
using namespace std; 
int const mxN = 3e5+5;

vector<pair<int,pair<int,int>>>a;
signed main() {
  
  ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);

  int n,d; cin>>n>>d;
  a.resize(n+1);
  for(int i=0; i<n; i++) cin>>a[i].first>>a[i].second.first>>a[i].second.second;
  a[n] = {d,{0,0}};
  sort(a.begin(),a.end());

  for(int i=1; i<=d; i++) {
   int mid = i, now = i;
   bool f = 1;
   if(mid<a[0].first) f = 0;
   else now -= a[0].first;
   for(int j=0; j<n; j++) {
      if(mid<=a[j].second.second) now += a[j].second.first;
      if(now<abs(a[j+1].first-a[j].first)) { f = 0; break; }
      now -= abs(a[j+1].first-a[j].first);
   }
   
   if(f) { cout<<mid<<'\n'; return 0; }

  }

   return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 17 / 17
• Subtask 4: 0 / 12
• Subtask 5: 0 / 19
• Subtask 6: 0 / 11
• Subtask 7: 0 / 21