Untitled
#include <iostream> #include <cmath> using namespace std; int main() { int a,sum = 0; cin >> a; while (a != 0) { sum += a % 10; a /= 10; } cout << sum; return 0; }
#include <iostream> #include <cmath> using namespace std; int main() { int a,sum = 0; cin >> a; while (a != 0) { sum += a % 10; a /= 10; } cout << sum; return 0; }