摘要: char* removeDuplicateLetters(char* s) { int vis[26], num[26]; memset(vis, 0, sizeof(vis)); memset(num, 0, sizeof(num)); int n = strlen(s); for (int i 阅读全文
posted @ 2021-01-15 20:47 温暖了寂寞 阅读(89) 评论(0) 推荐(0) 编辑