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Asked by Poulomi Last Modified
Answer 
Recursion is the technique of making a function call itself. This technique provides a way to break complicated problems down into simple problems which are easier to solve.
int sum(int k) {
if (k > 0) {
return k + sum(k - 1);
} else {
return 0;
}
}
int main() {
int result = sum(10);
cout << result;
return 0;
}
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