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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.     	for(int j=0;j<n;j++){
  16.     		int sum=D[i]+E[j];
  17.     		m[sum]++;
  18.     	}
  19.  
  20.     }
  21.     for(int i=0;i<n;i++){
  22.     	for(int j=0;j<n;j++){
  23.     		for(int k=0;k<n;k++){
  24.     			int reqSum=-(A[i]+B[j]+C[k]);
  25.     			count+=m[reqSum];
  26.  
  27.     		}
  28.     	}
  29.     }
  30.     cout<<"The no of tuplets are:"<<count;
  31. 	return 0;
  32. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
The no of tuplets are:2
https://ideone.com/L8M2hV
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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