/*
Author: Zoro
Date: 2019/11/10
Function: Valid Anagram
Title: leetcode 242
anagram.c
think: 桶排序思想
*/
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
bool isAnagram(char *s, char *t) {
int statS[26] = {0};
int statT[26] = {0};
int lenS = strlen(s);
int lenT = strlen(t);
int i;
for (i=0; i<lenS; i++) {
int index = s[i] - 'a';
statS[index]++;
}
for (i=0; i<lenT; i++) {
int index = t[i] - 'a';
statT[index]++;
}
for (i=0; i<26; i++) {
if (statS[i] != statT[i]) {
return false;
}
}
return true;
}
int main() {
char* s = "hello";
char* t = "ehllo";
printf("%d\n", isAnagram(s, t));
return 0;
}