wspl09876

网线切割

对网线的数目二分答案，个数数找小了就网线变小，找大了就变大12345678910111213141516171819202122232425262728293031323334#include<iostream>#include<cstdio>using namespace std;int n,k,a[19999];int l=1,r=0;int check(int x)& …