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- #include <iostream>
- using namespace std;
- int perimeter(double a);
- double r1, r2, r3;
- int main() {
- setlocale(LC_ALL, "Russian");
- int n = 1000000000;
- double p_r1 = 0, p_r2 = 0, p_r3 = 0;
- cout << "Программа определяет являются данные газеты правдивыми или нет: " << endl;
- cout << "Введите 3 радиуса круга :";
- cin >> r1 >> r2 >> r3;
- if ((1 <= r1 && 1 <= r2 && 1 <= r3) && (r1 <= n && r2 <= n && r3 <= n) || (r1 == r2 + r3)) {
- p_r1 = perimeter(r1);
- p_r2 = perimeter(r2);
- p_r3 = perimeter(r3);
- if (p_r1 >= p_r2 + p_r3) {
- cout << "YES" << endl;
- }
- else if ((p_r1 < p_r2 +p_r3) || (p_r1 == p_r2 && p_r1 == p_r3 && p_r2 == p_r3)) {
- cout << "NO" << endl;
- }
- }
- return 0;
- }
- int perimeter(double a) {
- const double P = 3.14;
- double sum;
- sum = P * pow(a, 2);
- return sum;
- }
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