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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4. // 3 sum problems
  5. class Solution {
  6. public:
  7.     vector<vector<int>> threeSum(vector<int>& nums) {
  8.  // create a vector which stores the index of the elements which forms the sum equal to zero
  9.         vector<vector<int>> res;
  10.  
  11.         // Run the loop for the given equation 
  12.         // create a function which stores the 
  13.         for(int l=0;l<nums.size()-2;l++){
  14.         	// Run the another loop for the given problems
  15.         	for(int m=l+1;m<nums.size();m++){
  16.         		// Run another loop for the given problems
  17.         		for(int n=m+1;n<nums.size();n++){
  18.         		//	cout<<"l: "<< l <<" m: "<< m <<" n: "<< n<<endl;
  19.         	     	if(l!=m && l!=n && m!=n){
  20.         				int sum=nums[l]+nums[m]+nums[n];
  21.         				if(sum==0){
  22.         					vector<int> v;
  23.         					v.push_back(nums[l]);
  24.         					v.push_back(nums[m]);
  25.         					v.push_back(nums[n]);
  26.         					res.push_back(v);
  27.  
  28.         				}
  29.  
  30.  
  31.         			}
  32.         		}
  33.         	}
  34.         }
  35.         return res;
  36.     }
  37. };
  38. int main() {
  39. 	// your code goes here
  40. 	return 0;
  41. }
Success #stdin #stdout 0.01s 5300KB
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https://ideone.com/HUHDVv
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

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