#include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int N = 1e5, M = 1e5; struct Edge { int v, next, idx; Edge(){} Edge(int _v, int _next, int _idx): v(_v), next(_next), idx(_idx){} }e[M]; int dfn[N], dee
random模块是产生随机数的模块 1.random.random() 这是产生0~1之间一个随机浮点数,但是不会包括1 import random num = 0 while num < 10: print(random.random(),'\t',end='') num += 1 if num % 5 == 0: print() 0.5498432689828007 0.3831223570880221 0.9274241638226295 0.8374157068420778 0.1752