Submission #7561

#	Time	Username	Problem	Language	Result	Execution time	Memory
7561		gs13068	행성 탐사 (GA8_planet)	C++98	96.80 / 100	932 ms	1756 KiB

planet

#include "planet.h"

int calls;

void my_paint(int r,int c)
{
  paint((r%2222+2222)%2222,(c%2222+2222)%2222);
}

int my_row(int r)
{
  calls++;
  return count_row((r%2222+2222)%2222);
}

int my_col(int c)
{
  calls++;
  return count_col((c%2222+2222)%2222);
}

void wait()
{
  calls++;
  count_row(0);
}

void my_report(int r,int c)
{
  report((r%2222+2222)%2222,(c%2222+2222)%2222);
}

void ainta()
{
  int i;
  for(i=0;i<98;i++)my_paint(-i,-i);
}

void sangsoo()
{
  calls = 0;
  int x,y;
  int l,r,mid;

  for(x=0;x<2222;x+=calls)if(my_row(x))break;
  for(l=0,r=calls-1;l<r;my_row(x+mid)?l=mid:r=mid-1)mid=(l+r+1)/2;
  x+=l;
  for(y=0;y<2222;y+=calls)if(my_col(y))break;
  for(l=0,r=calls-1;l<r;my_col(y+mid)?l=mid:r=mid-1)mid=(l+r+1)/2;
  y+=l;

  my_report(x,y);
}

• Subtask 1: 38.7 / 40
• Subtask 2: 58.1 / 60