摘要：using namespace std; string decodeString(const string& s, int& i); int main(void) { //3[z]2[2[y]pq4[2[jk]e1[f]]]ef string s = "3[z]2[2[y]pq4[2[jk]e1[f]]]ef"; int i = 0; string out = d... 阅读全文

摘要：Q1：Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. Q2：A numeric sequence o 阅读全文