Submission #696744

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
696744	2023-02-07 06:53:43	vjudge1	Amusement Park (CEOI19_amusementpark)	C++14	100 / 100	2700 ms	1800 KiB

amusementpark

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#include<bits/stdc++.h>
#define ll long long
#define lll __int128
#define db double
#define ld long double
#define pii pair<int,int>
#define fi first
#define se second
#define vi vector<int>
using namespace std;
namespace IO
{
  const int SZ=1<<20;
  char gchar()
  {
      static char buf[SZ];
      static int i=SZ;
      if(i==SZ)i=0,fread(buf,1,SZ,stdin);
      return buf[i++];
  }
  void pchar(char c)
  {
      static char buf[SZ];
      static int i=0;
      if(c)buf[i++]=c;
      if(!c||i==SZ)fwrite(buf,1,i,stdout),i=0;
  }
  void pstr(string s,char end='\n')
  {
    for(char c:s)pchar(c);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

amusementpark.cpp: In function 'int main()':
amusementpark.cpp:68:20: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   68 |    if((msk&(1<<x[i]-1))&&(msk&(1<<y[i]-1)))flg[msk]=1;
      |                ~~~~^~
amusementpark.cpp:68:39: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   68 |    if((msk&(1<<x[i]-1))&&(msk&(1<<y[i]-1)))flg[msk]=1;
      |                                   ~~~~^~
amusementpark.cpp: In function 'char IO::gchar()':
amusementpark.cpp:18:24: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |      if(i==SZ)i=0,fread(buf,1,SZ,stdin);
      |                   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 23 / 23
• Subtask 4: 21 / 21
• Subtask 5: 37 / 37