C primer plus(第六版) 第四章答案
#include<stdio.h>
int main(void)
{
char first_name[20],last_name[20];
printf("Please input your first_name.\n");
scanf("%s",first_name);
printf("Please input your last_name.\n");
scanf("%s",last_name);
printf("%s %s",first_name,last_name);
return 0;
}
#include<stdio.h>
#include<string.h>
int main(void)
{
char first_name[20];
char last_name[20];
int length_first = 0;
int length_last = 0;
length_first = strlen(first_name);
length_last = strlen(last_name);
printf("Please input your first_name.\n");
scanf("%s",first_name);
printf("Please input your last_name.\n");