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#include <iostream> int Sum(const int* arr, int size, int index = 0) { if(index == size) return 0; return (arr[index] % 2 == 0)? arr[index] + Sum(arr, size, index + 1) : Sum(arr, size, index + 1); } void Replace(int* arr, int size, int n, int index = 0) { if(index == size) return; if(arr[index] < 0) arr[index] = n; Replace(arr, size, n, index + 1); } void Output(const int* arr, int size, int index = 0) { if(index == size) return; std::cout << arr[index] << " "; Output(arr, size, index + 1); } int main() { int arr[] = {1, 2, -3, 4, 5, 6}; const int size = sizeof(arr) / sizeof(arr[0]); int sum = Sum(arr, size); Replace(arr, size, sum); Output(arr, size); return 0; }
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