Submission #564838

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
564838	2022-05-19 18:59:17	Uzouf	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	0 ms	416 KiB

encoder

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int encode(int n,int x,int y) {
    int a=x,b=y;
    for (int p=10;p>=0;p--) {
      int i=0,j=0;
      if ((1<<p)<=a) {
        a-=(1<<p); i=1;
      }
      if ((1<<p)<=b) {
        b-=(1<<p); j=1;
      }
      if (i>j) return p;
    }
  
  a=__builtin_popcount(x);
  b=__builtin_popcount(y);
  for (int p=5;p>=0;p--) {
      int i=0,j=0;
      if ((1<<p)<=a) {
        a-=(1<<p); i=1;
      }
      if ((1<<p)<=b) {
        b-=(1<<p); j=1;
      }
      if (i<j) return p+10;
    }
 }
 
 
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decoder

 
 
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Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:26:2: warning: control reaches end of non-void function [-Wreturn-type]
   26 |  }
      |  ^

decoder.cpp: In function 'int decode(int, int, int)':
decoder.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type]
   30 | }
      | ^

• Subtask 1: 0 / 100