CPP
cpp
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#include <iostream>
int sum(int a, int b){
if(b == 0){
return a;
}else{
return 1 + sum(a, b-1);
}
}
int main() {
int a;
int b;
std::cout << "Enter with two integers numbers:";
std::cin >> a >> b;
std::cout << sum(a, b) << std::endl;
return 0;
}
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OUTPUT
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