Day 17: More Exceptions

矫情吗；* 2022-02-27 01:35 75阅读 0赞

# 题目： #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3podWlxaXV6aHVveXVlNTgz_size_16_color_FFFFFF_t_70][]

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# C++： #

#include <stdlib.h>
    #include <stdio.h>
    #include <map>
    #include <vector>
    #include <string>
    #include <math.h>
    #include <algorithm>
    #include <iostream>
    #include <exception>
    #include <stdexcept>
    using namespace std;
    
    
    //Write your code here
    class Calculator {
    public:
        int power(int n, int p) {
            if (n < 0 || p < 0) {
    		throw runtime_error("n and p should be non-negative"); //抛出异常
    	}
    	int ans = pow(n,p);
    	return ans;
        }
    };
    
    int main()
    {
        Calculator myCalculator = Calculator();
        int T, n, p;
        cin >> T;
        while (T-- > 0) {
    	if (scanf("%d %d", &n, &p) == 2) {
    	    try {
    		int ans = myCalculator.power(n, p);
    		cout << ans << endl;
    	    }
    	    catch (exception& e) {
    		cout << e.what() << endl;
    	    }
    	}
        }
        system("pause");
        return 0;
    }

# python： #

#Write your code here
    class Calculator():
        def power(self,n,p):
            if n<0 or p<0:
                raise RuntimeError("n and p should be non-negative")  #抛出异常
            else:
                ans=n**p
                return ans
    
    myCalculator=Calculator()
    T=int(input())
    for i in range(T):
        n,p = map(int, input().split())
        try:
            ans=myCalculator.power(n,p)
            print(ans)
        except Exception as e:
            print(e)

# 总结： #

## C++： ##

抛出异常，throw runtime\_error()：

throw runtime_error("n and p should be non-negative"); //抛出异常

## python： ##

抛出异常，raise RuntimeError()：

raise RuntimeError("n and p should be non-negative")  #抛出异常

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