weixin_43293451的博客

#include "pch.h"#include <iostream>#include <stdio.h>//将数组a中n个整数按相反顺序存放void invert() { void inv(int * x, int n); int i, arr[10], *p = arr; printf("The original array:\n"); for (i =...

#include "pch.h"#include <stdio.h>//数组按照从大到小排序void testsort() { void sort(int *p,int n); int i, *p, a[10]; p = a; printf("please enter 10 integer numbers:\n"); for (i = 0; i < 10;i++)...

#include "pch.h"#include <stdio.h>void test2array() { //二位数组有关数据（地址和元素的值区分） int a[3][4] = {1,3,5,6,8,9,10,12,34,22,56,77}; printf("%d,%d\n",a,*a); //0行起始地址，0行0列元素地址 printf("%d,%d...

#include <stdio.h>#include <math.h>//二进制转换为十进制int convertBinaryToDecimal(long long n);int main(){ long long n; printf("请输入一个二进制数："); scanf("%lld",&n); printf("二进制数%lld 转换为...

#include <stdio.h>#include <math.h>//十进制转换为二进制long long convertDecimalToBinary(int n);int main(){ int n; printf("输入一个十进制数："); scanf("%d",&n); printf("十进制数%d 转换为二进制位 %lld\n...

搞点有意思的C语言结合顺序int i=5;printf("%d\n",-i++);analyze：printf("%d\n",-(i++));output:-5a=10;a+=a-=a*a;analyze:a=(a+(a=a-a*a));output:a = -90+(-90)=-180逗号运算符(优先级最低,从左向右)y=(x=4*5,x+20),x+25;o...

#include <stdio.h>#include<string.h>int main() { char greeting[7] = { 'h','e','l','l','o','\0' }; char *str = "helloaf;af;"; printf("%s\n",greeting); printf("%d\n", sizeof(greeting...