题解 | #字符串字符匹配#

#include <stdio.h>
#include <string.h>

//暴力遍历
//用简单哈希表,字符一共128个对应ASCII 0-127
int main()
{
  char s[201], t[201];
  while (scanf("%s", s) != EOF)
  {
    scanf("%s", t);
    int lens, lent;
    lens = strlen(s), lent = strlen(t);

    int hash[128] = {0};
    int count = 0; //出现字符数
    for (int i = 0; i < lent; i++)
    {
      hash[t[i]]++;
    }

    for (int i = 0; i < lens; i++)
    {
      if (hash[s[i]])
        count++;
    }

    if (count == lens)
    {
      printf("true\n");
    }
    else
    {
      printf("false\n");
    }
  }

  return 0;
}