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  1. #include <bits/stdc++.h>
  2. #include <ext/pb_ds/assoc_container.hpp>
  3. #include <ext/pb_ds/tree_policy.hpp>
  4.  
  5. using namespace std;
  6. using namespace __gnu_pbds;
  7. using ll = long long;
  8. using ld = long double;
  9.  
  10. #define all(x)  x.begin(),x.end()
  11. #define v(x) vector<x>
  12. #define nl '\n'
  13. #define fxd(x) fixed << setprecision(x)
  14. template<class t> using ordered_set = tree<t, null_type, less<t>, rb_tree_tag, tree_order_statistics_node_update>;
  15. template<class t> using ordered_multiset = tree<t, null_type, less_equal<t>, rb_tree_tag, tree_order_statistics_node_update>;
  16.  
  17.  
  18. int main()
  19. {
  20.     ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  21.     int a , b ,c; cin >> a >> b;
  22.     c = a+b;
  23.     string x = to_string(a);
  24.     string y = to_string(b);
  25.     string z = to_string(c);
  26.     for (int i = 0; i < x.length(); i++)
  27.     {
  28.         if(x[i] == '0') 
  29.         {
  30.             x.erase(x.begin()+i);
  31.             i--;
  32.         }
  33.     }
  34.     for (int i = 0; i < y.length(); i++)
  35.     {
  36.         if(y[i] == '0') 
  37.         {
  38.             y.erase(y.begin()+i);
  39.             i--;
  40.         }
  41.     }
  42.     for (int i = 0; i < z.length(); i++)
  43.     {
  44.         if(z[i] == '0') 
  45.         {
  46.             z.erase(z.begin()+i);
  47.             i--;
  48.         }
  49.     }
  50.  
  51.     a = stoi(x);
  52.     b = stoi(y);
  53.     c = stoi(z);
  54.     if(a+b == c)
  55.     {
  56.         cout << "YES";
  57.     }
  58.     else
  59.     {
  60.         cout << "NO";
  61.     }
  62. }
Success #stdin #stdout 0s 5320KB
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YES
https://ideone.com/egnviI
language:
C++ (gcc 8.3)
created:
3 hours ago
visibility:
public

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