Submission #951208

#	Time	Username	Problem	Language	Result	Execution time	Memory
951208		NourWael	Fuel Station (NOI20_fuelstation)	C++17	7 / 100	3041 ms	15844 KiB

FuelStation

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

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

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

  for(int i=1; i<=d; i++) {
   int mid = i;

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

  }

   return 0;
}

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