float average(int* a, int first, int last) { int s = 0; for(int i = first; i <= last; ++i) s += a[i]; return s * 1. / (last - first + 1); } int min_i(int* a, int n) { int m = a[0]; int numb = 0; for(int i = 1; i < n; ++i) if(m > a[i]) { m = a[i]; numb = i; } return numb; } int max_i(int* a, int n) { int m = a[0]; int numb = 0; for(int i = 1; i < n; ++i) if(m < a[i]) { m = a[i]; numb = i; } return numb; } int main() { int N; std::cin >> N; int X[N]; for(int i = 0; i < N; ++i) std::cin >> X[i]; std::cout << "Average of whole array: " << average(X, 0, N - 1) << std::endl; int first = min_i(X, N); int last = max_i(X, N); if(first > last) { int temp = first; first = last; last = temp; } if(last - first == 0 || last - first == 1) std::cout << "Average of shorter array: " << average(X, 0, N - 1) << std::endl; else { int delta = last - first; for(int i = last; i < N; ++i) X[i - delta + 1] = X[i]; std::cout << "Average of shorter array: " << average(X, 0, N - delta) << std::endl; } }
Устройства вывода.
Объяснение: