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#include <iostream> #include <string> using namespace std; void task1a() { int i; int sum = 0; for(i=1; i<=1000; i++) { sum+=i; } cout << "Сумма числа от 1 до 1000 = " << sum << endl; } void task1b() { int i=0; int sum=0; while (i<1000) { i++; sum+=i; } cout << "Сумма числа от 1 до 1000 = " << sum << endl; } void task1c() { int i=0; int sum=0; do { i++; sum+=i; } while (i<1000); cout << "Сумма числа от 1 до 1000 = " << sum << endl; } void task2a() { string students[10] = {"1", "2", "3", "4", "5", "6", "7", "8", "9", "10"}; for (int i=0; i< 10; i++) { cout << students[i] << endl; } } void task2b() { int arr[10]; for (int i = 0; i < 10; i++) { cout << "[" << i + 1 << "]" << ": "; cin >> arr[i]; } cout << "\nМасив: "; for (int i = 0; i < 10; ++i) { cout << arr[i] << " "; } cout << endl; } int main() { task1a(); task1b(); task1c(); task2a(); task2b(); }
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