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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int main() {
  4.  
  5.  
  6.     int n;
  7.     cin>>n;
  8.     int arr[n];
  9.  
  10.     for(int  i =0 ;i < n;i++)
  11.     {
  12.       cin>>arr[i];
  13.  
  14.     }
  15.     int target;
  16.     cin>>target;
  17.     sort(arr,arr+n);
  18.  
  19.  
  20.     for(int i =0;i<n-2;i++)
  21.     {
  22.  
  23.       int l = i+1;
  24.       int r = n-1;
  25.       while(l<r)
  26.       {
  27.           if((arr[i] + arr[l] + arr[r]) == target)
  28.           {
  29.               cout<<arr[i]<<","<<" "<<arr[l]<<" "<<"and"<<" "<<arr[r]<<endl;
  30.               l++;
  31.               r--;
  32.           }
  33.  
  34.           else if((arr[i] + arr[l] + arr[r]) < target)
  35. 		  {
  36. 			  l++;
  37. 		  }
  38. 		  else //((arr[i] + arr[l] + arr[r]) > target)
  39. 		  {
  40. 			  r--;
  41. 		  }
  42.       }
  43.  
  44.     }
  45.  
  46. 	return 0;
  47. }
  48.  
Success #stdin #stdout 0s 4508KB
comments (?)
stdin
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9
5 7 9 1 2 4 6 8 3
10
stdout
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1, 2 and 7
1, 3 and 6
1, 4 and 5
2, 3 and 5
https://ideone.com/AqbJVx
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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