a--;while(*a++=*b++);}void main(){int i, j;char c, x;scanf("%c", &c);for(i=1; i<=c-'A'+1; i++){x = 'A';for(j=1; j<=(2*i-1)/2; j++)printf("%c", x++);for(;j<=2*i-1; j++)printf("%c", x--);printf("\n");}}include <stdio.h>...
int fun(char *c, int d) //带返回值得函数{ *c = *c+1; d = d + 1; return d; //将加1后的d值返回}void main(){ char a='A',b='a'; a = fun(&b,a); //将返回的值赋给a printf("%c,%c\n",a,b);}这个程序关系到C语言的两个内容，1、指针...
Void main( ){int a, b,*p1,*p2 ;scanf ( " % d ", & a , );scanf ( " % d ", & b );printf(“a=%d,b=%d”,a,b);p1=&a; p2=&b;swap ( p1,p2);printf(“a=%d,b=%d”,a,b);}Void swap ( int *p1, *p2){int t ;t=*p1; *p1=*p2...
C语言可以使用Replace函数去掉字符串中换行符。即Replace（字符串，＇＼n＇，＇＇）。Replace函数语法为Replace (Expression, Find, ReplaceWith [, Start] [, Count] [, Compare])。Expression必需的。代表将要执行替换操作的字符串。Find必需的。代表要搜索的字符串。ReplaceWith必需的。代表用于替换的...
include <stdio.h>void main( ){ char s[20], ch; int i,j; printf("Please input a string:\n"); gets(s);//输入字符串 printf("Please input acharacter:\n"); ch=getchar();//输入一个字符。 for(i=0;i<20;i++)//对于每个位置做遍历。 { fo...
include <stdio.h>void main(){float a,b,c,s;printf（“请输入上底下底高：”）；scanf("%f,%f,%f",&a,&b,&c);s=(a+b)*c/2;printf("%f\n",s);}
b = a - b;a = a - b;缺点：a + b可能会越界方法二：a = a ^ b;b = a ^ b;a = a ^ b;方法三：tmp = a;a = b;a = temp;include<iostream>using namespace std;void swap(int& a, int &b){int temp = a;a = b;b = temp;}int main(){int a = 1;...
char a='A', b = 'B'; //全局变量， 如果在函数中修改全局变量的值是有效的 局部变量作用域是函数快内 include <stdio.h> void fun2(char a,char b){ printf("%c%c",a,b);} char a='A',b='B';void fun1(){ a='C';b='D';} main(){ fun1(); //相当于在此对全局...
void main() { int a,b[20],i,base=16; char X[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'}; scanf("%d",&a); for(i=0;a!=0;i++) { b[i]=a%base; a=a/base; } for(--i;i>=0;i--) //开始有一个 --i { int ...
include<stdio.h> include<string.h> void main( ){char a[50],b[20];int i=0,min=0,lena,lenb;printf("please input string a:");gets(a);printf("please input string b:");gets(b);while(a[i]!='\0')// 遍历a[]一遍，找出最小的那个下标 { if(a[i]<a[min])min=i;/...