Submission #865912

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
865912	2023-10-25 03:01:13	HuyQuang_re_Zero	Teleporters (IOI08_teleporters)	C++14	85 / 100	1034 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);
    cin>>n>>m;
    a[++sz]={ 0,0 }; a[++sz]={ 2000001,2*n+1 };
    for(i=1;i<=n;i++)
    {
        scanf("%d%d",&l,&r);
        a[++sz]={ l,i }; a[++sz]={ r,rev(i) };
 
 
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Compilation message (stderr)

teleporters.cpp: In function 'int main()':
teleporters.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         scanf("%d%d",&l,&r);
      |         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
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• Subtask 18: 0 / 5
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• Subtask 20: 0 / 5