题解 | #整数与IP地址间的转换#
整数与IP地址间的转换
https://www.nowcoder.com/practice/66ca0e28f90c42a196afd78cc9c496ea
// HJ33-3 整数与IP地址间的转换.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main()
{
ll a, b, c, d,num,sum=0;
while (scanf("%lld.%lld.%lld.%lld", &a, &b, &c, &d) != EOF)
{
cin >> num;
cout << (a << 24) + (b << 16) + (c << 8) + d << endl;
a = num >> 24;
num = num - (a << 24);
b = num >> 16;
num = num - (b << 16);
c = num >> 8;
num = num - (c << 8);
d = num;
cout << a << "." << b << "." << c << "." << d << endl;
}
return 0;
}
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