定义函数“char *cut(char *s,int m,int n)”完成截取字符串s中从第m个
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①颗勾魂の愺
2024-11-06 02:23:31
char *cut(char *s,int m,int n)
{
char *r = (char*)malloc(n+1);
int i;
for(i = m; i<m+n; i ++)
r[i-m] = s[i];
r[n] = 0;
return r;
}
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