Submission #865907

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
865907	2023-10-25 02:56:50	HuyQuang_re_Zero	Teleporters (IOI08_teleporters)	C++14	85 / 100	1051 ms	65536 KiB

teleporters

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#include <bits/stdc++.h>
#define ll long long
#define db long double
#define N 1000005
#define II pair <int,int>
#define III pair <ll,II>
#define IV pair <vector <int>,vector <int> >
#define fst first
#define snd second
#define BIT(x,i) ((x>>i)&1)
#define Log(x) (31-__builtin_clz((int)x))
#define LogLL(x) (63-__builtin_clzll((ll)x))
#define pi acos(-1)
#define to_radian(x) (x*pi/180.0)
#define to_degree(x) (x*180.0/pi)
using namespace std;
int n,m,End[2*N],From[2*N],i,u,sz,l,r,res,nxt[2*N],node,last;
bool visited[N];
II a[2*N];
int rev(int u) { return (u<=n) ? u+n : u-n; }
int main()
{
   // freopen("teleporters.inp","r",stdin);
    //freopen("teleporters.out","w",stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin>>n>>m;
    a[++sz]={ 0,0 }; a[++sz]={ 2000001,2*n+1 };
    for(i=1;i<=n;i++)
    {
 
 
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