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  1. #include <iostream>
  2. #include <vector>
  3. #include <limits>
  4.  
  5. using namespace std;
  6.  
  7. int main() {
  8.     int n, sum = 0, count = 0, product = 1, max_negative = numeric_limits<int>::min();
  9.     bool has_odd = false, has_negative = false;
  10.  
  11.     cout << "Введите количество чисел: ";
  12.     cin >> n;
  13.  
  14.     vector<int> numbers(n);
  15.     cout << "Введите последовательность:\n";
  16.     for (int i = 0; i < n; i++) {
  17.         cin >> numbers[i];
  18.  
  19.         if ((i + 1) % 2 == 0 && numbers[i] % 2 != 0) {
  20.             sum += numbers[i];
  21.             count++;
  22.         }
  23.  
  24.         if (numbers[i] % 2 != 0) {
  25.             product *= numbers[i];
  26.             has_odd = true;
  27.         }
  28.  
  29.         if (numbers[i] < 0 && numbers[i] > max_negative) {
  30.             max_negative = numbers[i];
  31.             has_negative = true;
  32.         }
  33.     }
  34.  
  35.     if (!has_odd) product = 0;
  36.     int difference = has_negative ? product - max_negative : product;
  37.  
  38.     cout << "Сумма: " << sum << "\nКоличество: " << count << "\nРазность: " << difference << endl;
  39.  
  40.     return 0;
  41. }
  42.  
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin 
Standard input is empty
stdout 
Введите количество чисел: Введите последовательность:
Сумма: 0
Количество: 0
Разность: 0
https://ideone.com/y2bFMd
language:
C++ (gcc 8.3)
created:
282 days ago
visibility:
public

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