题解 | #截取字符串#
截取字符串
https://www.nowcoder.com/practice/a30bbc1a0aca4c27b86dd88868de4a4a
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main()
{
char str[101];
int n;
char *p;
while(scanf("%s", str) > 0) {
scanf("%d", &n);
p = (char*)malloc(sizeof(char)*n); //申请一个空间 没有释放也能通过
memcpy(p, str, n);
printf("%s\n", p);}
}
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