概述
int lengthOfLongestSubstring(char* s) {
int start=0,maxLen=0,index=0;
char c;
int arr[256];
int len ;
memset(arr, 0, sizeof(arr));
for(; s[index] !='
int lengthOfLongestSubstring(char* s) {
int start=0,maxLen=0,index=0;
char c;
int arr[256];
int len ;
memset(arr, 0, sizeof(arr));
for(; s[index] !='