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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6.     int A[]={2,5};
  7.     int B[]={3,8};
  8.     int C[]={-5,8};
  9.     int D[]={5,10};
  10.     int E[]={-10,100};
  11.     int n=sizeof(A)/sizeof(A[0]);
  12.     int count=0;
  13.     unordered_map<int,int>m;
  14.     for(int i=0;i<n;i++){
  15.     	m[E[i]]++;
  16.     }
  17.     for(int i=0;i<n;i++){
  18.     	for(int j=0;j<n;j++){
  19.     		for(int k=0;k<n;k++){
  20.     			for(int l=0;l<n;l++){
  21.     				int x=-(A[i]+B[j]+C[k]+D[l]);
  22.     				int count=count+m[x];
  23.     			}
  24.     		}
  25.     	}
  26.     }
  27.     cout<<"The no of tuplets are:"<<count;
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
The no of tuplets are:0
https://ideone.com/onz7LM
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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