C语言编程：5、编一个程序,将两个字符串连接起来,不要用strcat函数. 用C语言编程:编写一个函数,将两个字符串连接起来
C\u8bed\u8a00\u7f16\u7a0b\uff1a\u7f16\u4e00\u7a0b\u5e8f\uff0c\u5c06\u4e24\u4e2a\u5b57\u7b26\u4e32\u8054\u63a5\u8d77\u6765\uff0c\u4e0d\u8981\u7528Strcat\u51fd\u6570\u3002\u601d\u8def\uff1a\u8f93\u5165\u4e24\u4e2a\u5b57\u7b26\u4e32a\u548cb\uff0c\u9996\u5148\u627e\u5230\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32a\u7684\u7ed3\u675f\u4f4d\u7f6e\uff0c\u63a5\u7740\u628ab\u7684\u6240\u6709\u5143\u7d20\u653e\u5230a\u7684\u672b\u5c3e\uff0c\u6700\u540e\u52a0\u4e0a\u7ed3\u675f\u6807\u5fd7\u3002
\u53c2\u8003\u4ee3\u7801\uff1a
#includevoid mystrcat(char a[],char b[]){int i=0,j=0;while(a[i++]!='\0');//\u627e\u5230a\u7684\u7ed3\u675f\u4f4d\u7f6e i--;while(b[j]!='\0'){//\u628ab\u5143\u7d20\u8d4b\u503c\u5230a\u4e2d a[i++]=b[j++];} a[i]='\0';//\u52a0\u4e0a\u7ed3\u675f\u6807\u5fd7 }int main(){char a[100],b[100];gets(a);gets(b);mystrcat(a,b);puts(a); return 0;}/*\u8fd0\u884c\u7ed3\u679c\uff1a123456123456*/
1\u3001\u65b0\u5efa\u4e00\u4e2a\u5de5\u7a0b\u548c.c\u6587\u4ef6\uff0c\u8f93\u5165\u5934\u6587\u4ef6\u548c\u4e3b\u51fd\u6570\u3002
2\u3001\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u3002
3\u3001\u8c03\u7528cpy\u51fd\u6570\u3002
4\u3001\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u5e76\u5b9a\u4e49\u53d8\u91cf\u7c7b\u578b\u3002
5\u3001\u7528\u4e00\u4e2aFor \u8bed\u53e5\u548cif\u8bed\u53e5\u5224\u65ad\u662f\u5426\u4e3a\u5143\u97f3\u3002
6\u3001\u6700\u540e\u52a0\u4e00\u4e2a\u5b57\u7b26\u4e32\u7ed3\u675f\u7b26\uff0c\u5e76\u5728\u4e3b\u51fd\u6570\u4e2d\u8f93\u51fa\u3002
7\u3001\u7f16\u8bd1\u3002\u8fd0\u884c\u3002
思路：字符串连接先需要找到第一字符串的结束位置，接着把第二字符串元素放到第一字符串后面，最后加上结束标志即可。
参考代码：拼接123和456
#include<stdio.h>
void mystrcat(char a[],char b[]){//字符串连接函数
int i=0,j=0;
while(a[i++]!='\0');//找到a的结束位置
i--;
while(b[j]!='\0'){//把b元素赋值到a中
a[i++]=b[j++];
}
a[i]='\0';//加上结束标志
}
int main()
{
char a[100],b[100];
scanf("%s%s",a,b);
mystrcat(a,b);
puts(a);
return 0;
}
/*
运行结果：
123 456
123456
*/
函数头我就不和你写了！
int a[20],b[20],i=0,j=0;
while(a[i]!='\0')
{
i++;
}
while(b[i]!='\0')
{
a[i++]=b[i++];
}
a[i]='\0';
printf("%s",a)；
就可以了！！
两个字符串连着输出可以吗？
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