#include <iostream>
using namespace std;
int main() {
    try {
        int a = 10;
        if (a > 5) {
            throw 3.14;
        }
        cout << "try块执行结束";
    } catch (int e) {
        cout << "捕获int类型异常：" << e;
    } catch (double e) {
        cout << "捕获double类型异常：" << e;
    } catch (...) {
        cout << "捕获未知类型异常";
    }
    cout << "，程序正常退出";
    return 0;
}