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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. void addArrays(int a[], int aSize, int b[], int bSize, int sum[], int &sumSize) {
  6.     int carry = 0;
  7.     int i = 1, j = 1, k = 1;
  8.  
  9.     // Loop through both arrays from least significant to most significant digit
  10.     while (i <= aSize || j <= bSize || carry) {
  11.         int digitA = (i <= aSize) ? a[i] : 0;
  12.         int digitB = (j <= bSize) ? b[j] : 0;
  13.  
  14.         int total = digitA + digitB + carry;
  15.         carry = total / 10;
  16.         sum[k++] = total % 10;
  17.  
  18.         i++;
  19.         j++;
  20.     }
  21.  
  22.     sumSize = k - 1; // Size of the resulting sum array
  23. }
  24.  
  25. int main() {
  26.     int v[100], x[100], rez[200];
  27.     int n, m, rezSize;
  28.  
  29.     cout << "Enter size and elements for the first array:" << endl;
  30.     cin >> n;
  31.     for (int i = n; i >= 1; --i) {
  32.         cin >> v[i];
  33.     }
  34.     v[0] = n;  // Store the size at the beginning of the array
  35.  
  36.     cout << "Enter size and elements for the second array:" << endl;
  37.     cin >> m;
  38.     for (int j = m; j >= 1; --j) {
  39.         cin >> x[j];
  40.     }
  41.     x[0] = m;  // Store the size at the beginning of the array
  42.  
  43.     // Call the addArrays function
  44.     addArrays(v, v[0], x, x[0], rez, rezSize);
  45.  
  46.     // Print the result
  47.     cout << "sum[] = {";
  48.     for (int i = rezSize; i >= 1; --i) {
  49.         cout << rez[i];
  50.         if (i > 1) {
  51.             cout << ", ";
  52.         }
  53.     }
  54.     cout << "}" << endl;
  55.  
  56.     return 0;
  57. }
Success #stdin #stdout 0.01s 5272KB
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stdin
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5 6
1 2 2 5 8
2 2 2 6 7 8
stdout
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Enter size and elements for the first array:
Enter size and elements for the second array:
sum[] = {-1, -6, -7, -8, -2, -7, -1, -7, -6, -9, 4}
https://ideone.com/wvhYUw
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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