Submission #28549

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
28549	2017-07-16 07:13:52	not good but never sad (#68)	LR Springboard (FXCUP2_springboard)	C++14	1 / 1	3 ms	2088 KiB

Main

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#include "springboard.h"
#include <vector>
using namespace std;
void Reorder(int N) {
  PutBall((N+1)/2);
  vector<int> cand;
  if (PutBall((N+1)/2) == -1){
    for (int i=(N+1)/2;i<=N;i++) cand.push_back(i);
  }
  else{
    for (int i=0;i<(N+1)/2;i++) cand.push_back(i);
  }
  while (cand.size() > 1){
    int step = (cand.size() + 1) / 2;
    if (cand.back() != N) step = N + 1 - step;
    int r = PutBall(step);
    vector<int> ncand;
    for (int i=0;i<cand.size();i++){
      int nxt = (cand[i] + step) % (N+1);
      if ((cand[i] - nxt) * r > 0) ncand.push_back(nxt);
    }
    cand = ncand;
  }
  int push = N-cand[0]+1;
  if (1 <= push && push <= N) PutBall(push);
}
 
 
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Compilation message (stderr)

springboard.cpp: In function 'void Reorder(int)':
springboard.cpp:21:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0;i<cand.size();i++){
                 ^

• Subtask 1: 1 / 1