python 判断字符串中是否只有中文字符 学习了:https://segmentfault.com/q/1010000007898150 def is_all_zh(s): for c in s: if not ('\u4e00' <= c <= '\u9fa5'): return False return True
#include <iostream> using namespace std; /* run this program using the console pauser or add your own getch, system("pause") or input loop */ class SqString{private: char * base; int length;public: SqString() { } SqString(char * s) { lengt
Pick-up sticks Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 8862 Accepted: 3262 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find
Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 8351 Accepted: 3068 Description Stan has n sticks of various length. He throws them one at a time on the floor in a random way. After finishing throwing, Stan tries to find the top sticks, th