摘要:
class Solution { public: static bool cmp(int& a, int& b) { string sa = to_string(a), sb = to_string(b); return sa + sb < sb + sa; } string minNumber(v 阅读全文
摘要:
class Solution { public: int digitAtIndex(int n) { int digit = 1; int start = 0; long long cnt = 10; while (n >= cnt) { n -= cnt; digit++; if (start = 阅读全文