fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int trips(int weight[],int num){
  4. 	unordered_map<int,int>w;
  5. 	int count;
  6. 	for(int i=0;i<num;i++){
  7. 		w[weight[i]]++;
  8. 	}
  9. 	int ans=0;
  10. 	for(auto a:w){
  11. 		count=0;
  12. 		int c=a.second;
  13. 		if(c%3==0){
  14. 			count=c/3;
  15. 		}
  16. 		else{
  17. 			count=c/3+1;
  18. 		}
  19. 		ans=ans+count;
  20. 	}
  21. 	return ans;
  22.  
  23. }
  24.  
  25. int main() {
  26. 	// your code goes here
  27. 	int n;
  28. 	cin>>n;
  29. 	int packageWeight[n];
  30. 	for(int i=0;i<n;i++){
  31. 		cin>>packageWeight[i];
  32. 	}
  33. 	cout<<"the minimum number of trips are:"<<trips(packageWeight,n);
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 5308KB
comments (?)
stdin
copy 
7
1 8 5 8 5 1 1
stdout
copy 
the minimum number of trips are:3
https://ideone.com/WG04nu
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!