网络流建立虚拟源点汇点编号分别为0，n+1然后初始化的时候从1到n....调题调了两个小时啊哈哈，被自己，蠢笑啦~#include<bits/stdc++.h>usingnamespacestd;constintN=605;constintM=2505;constintINF=(int)0x3f3f3f3f;intedgeid=1;inthead[N];structedg

//lgp3381#include<bits/stdc++.h>usingnamespacestd;#definelllonglongconstintN=(int)5e3+3;constintM=(int)5e4+4;constllINF=0x3f3f3f3f;intcur[N];lldis[N];boolvis[N];boolinq[N];intedgeid=1;inthead[N];structedge{in

#include<bits/stdc++.h>usingnamespacestd;constintN=205;constintM=205;constintINF=0x3f3f3f3f;intedgeid=2;inthead[N];structedge{intv,w,nxt;}e[M*2];inlinevoidaddedge(intu,intv,intw){e[edgeid].v=v;e[ed