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  1. /* My First Template  
  2.    :P
  3. */
  4. #include <bits/stdc++.h>
  5. using namespace std;
  6. #define mod 1000000007
  7. #define ll long long int
  8. #define pb push_back
  9. #define mk make_pair
  10. ll power(ll a, ll b) {
  11. ll x = 1, y = a;
  12.     while(b > 0) {
  13.         if(b%2 == 1) {
  14.             x=(x*y);
  15.             if(x>mod) x%=mod;
  16.         }
  17.         y = (y*y);
  18.         if(y>mod) y%=mod;
  19.         b /= 2;
  20.     }
  21.     return x;
  22. }
  23. bool cmp(string a, string b)
  24. {
  25. 	if(a+b <= b+a) {
  26. 		return true;
  27. 	}
  28. 	return false;
  29. }
  30. string s[50002];
  31. int main() 
  32. {
  33. 	int n;
  34. 	int i;
  35. 	cin>>n;
  36. 	string s1;
  37. 	for(i = 0; i < n; i++) {
  38. 		cin>>s[i];
  39. 	}
  40. 	sort(s,s+n,cmp);
  41. 	for(i = 0; i < n; i++) {
  42. 		cout<<s[i];
  43. 	}
  44. 	cout<<endl;
  45. 	return 0;
  46. }
Success #stdin #stdout 0s 3620KB
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https://ideone.com/7Z3huI
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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