fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. #include <bits/stdc++.h>
  4. #include<vector>
  5. #include<string>
  6.  
  7. int f(int a,int b)
  8.  {
  9.    string str1 = to_string(a);
  10.    string str2 = to_string(b);
  11.    string res = str1+str2;
  12.    //cout<<stoi(res)<<'\n';
  13.    return stoi(res);
  14.  }
  15.  
  16. int main() {
  17. 	// your code goes here
  18. 	int n;
  19. 	cin>>n;
  20. 	vector<int>arr(n);
  21. 	int i=0;
  22. 	while(i<n)
  23. 	 {
  24. 	 	cin>>arr[i];
  25. 	 	i++;
  26. 	 }
  27.  
  28. 	 int sum=0;
  29. 	 for(int i=0;i<n;i++)
  30. 	  {
  31. 	  	for(int j=0;j<n;j++)
  32. 	  	 {
  33. 	  	 	sum+=f(arr[i],arr[j]);
  34. 	  	 }
  35. 	  }
  36. 	  cout<<sum;
  37.  
  38.  
  39. 	return 0;
  40. }
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
copy 
3
1 2 3
stdout
copy 
198
https://ideone.com/cYA8X4
language:
C++ (gcc 8.3)
created:
1 day 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!