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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int n;
  8.     cin>>n;
  9.     for (int i=0; i<n; i++)
  10.     {
  11.         string x,y;
  12.         cin>>x>>y;
  13.  
  14.         int lx,ly;
  15.         lx=x.length();
  16.         ly=y.length();
  17.         char xTab [1024];
  18.         strcpy(xTab,x.c_str());
  19.         char yTab [1024];
  20.         strcpy(yTab,y.c_str());
  21.  
  22.         int dlugosc_wyniku=(lx>=ly?lx:ly);
  23.         if (((xTab[0]-'0')+(yTab[0]-'0'))>9) dlugosc_wyniku++;
  24.         // cout<<"dl_w: "<<dlugosc_wyniku<<endl;
  25.         int k=dlugosc_wyniku;
  26.         int n=0,z=0;
  27.         int f[dlugosc_wyniku];
  28.         while (true)
  29.         {
  30.             int a= xTab[lx-1] - '0';
  31.             int b= yTab[ly-1] - '0';
  32.             if (lx-1<0)a=0;
  33.             if (ly-1<0)b=0;
  34.             z=a+b+n;
  35.             n=0;
  36.             if ((lx-1<0)&&(ly-1<0)&&z==0) break;
  37.             while (z>9)
  38.             {
  39.                 n++;
  40.                 z-=10;
  41.             }
  42.             lx--;
  43.             ly--;
  44.             f[dlugosc_wyniku-1]=z;
  45.             dlugosc_wyniku--;
  46.             //  cout<<" liczba "<<dlugosc_wyniku+1<<" wynosi "<<z<<endl;
  47.         }
  48.         for (int j=0; j<=k-1; j++)
  49.         {
  50.             cout<<f[j];
  51.         }
  52.         cout<<endl;
  53.     }
  54.     return 0;
  55. }
  56.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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3
172 3498
123456789 987654321
1234567890123456789 12123343456567878909
stdout
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3670
1111111110
13357911346691335698
https://ideone.com/8WFa7Y
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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