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codeforce - Life Without Zeros

jakaria_hossain Apr 5th, 2019 74 Never
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define fastread()(ios_base::sync_with_stdio(false),cin.tie(NULL));
  4. int RemoveZero(int a)
  5. {
  6.     int sum=0,dig,pos=1;
  7.     while(a)
  8.     {
  9.         dig=a%10;
  10.         a/=10;
  11.         while(dig)
  12.         {
  13.             sum+=(dig*pos);
  14.             pos*=10;
  15.             dig/=10;
  16.         }
  17.     }
  18.     return sum;
  19. }
  20. int main()
  21. {
  22.     int a,b,c;
  23.     fastread();
  24.     cin>>a>>b;
  25.     c=a+b;
  26.     a= RemoveZero(a);
  27.     b=RemoveZero(b);
  28.     c=RemoveZero(c);
  29.     if(a+b==c)
  30.     {
  31.         printf("YES\n");
  32.     }
  33.     else printf("NO\n");
  34.     return 0;
  35. }
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