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#include<string> #include <iostream> using namespace std; int main() { int a,b=0; int i= 0; cin >> a; while (a>0) { b += a % 10; i++; a /= 10; } cout << b; }
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#include<string> #include <iostream> using namespace std; int main() { int a,b=0; int i= 0; cin >> a; while (a>0) { b += a % 10; i++; a /= 10; } cout << b; }