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| #include<iostream> #include<string> using namespace std;
int arr[510]; int brr[510]; int crr[1000]; string a, b;
int main() { cin >> a >> b; int la = a.length(); int lb = b.length(); for (int i = 0; i < la; i++) { arr[la-i] = a[i] - '0'; } for (int i = 0; i < lb; i++) { brr[lb-i] = b[i] - '0'; } int lc = max(la, lb) + 1; for (int i = 0; i < lc; i++) { crr[i] += arr[i] + brr[i]; crr[i + 1] = crr[i] / 10; crr[i] = crr[i] % 10; } if (crr[lc] == 0 && lc > 0) lc--; for (int i = lc; i > 0; i--) { cout << crr[i]; } return 0; }
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