Submission #777993

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
777993	2023-07-10 01:39:15	jamezzz	Teleporters (IOI08_teleporters)	C++17	100 / 100	990 ms	65536 KiB

teleporters

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#include <bits/stdc++.h>
using namespace std;
#define sf scanf
#define pf printf
#define fi first
#define se second
#define pb push_back
#define INF 1023456789
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
typedef pair<int,int> ii;
#define maxn 1000005
int n,m,s[maxn],e[maxn],par[maxn<<2],sz[maxn<<2];
vector<ii> v;
int fp(int i){
  return par[i]==i?i:par[i]=fp(par[i]);
}
void join(int x,int y){
  x=fp(x),y=fp(y);
  if(x==y)return;
  if(sz[x]<sz[y])swap(x,y);
  par[y]=x;
  sz[x]+=sz[y];
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

teleporters.cpp: In function 'int main()':
teleporters.cpp:32:4: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |  sf("%d%d",&n,&m);
      |    ^
teleporters.cpp:35:5: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |   sf("%d%d",&s[i],&e[i]);
      |     ^

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
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• Subtask 10: 5 / 5
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• Subtask 15: 5 / 5
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• Subtask 19: 5 / 5
• Subtask 20: 5 / 5