Submission #28897

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
28897	2017-07-17 12:56:23	kdh9949	LR Springboard (FXCUP2_springboard)	C++14	1 / 1	3 ms	2300 KiB

Main

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#include "springboard.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> fv, rv;
set<int> ss;
void Reorder(int N){
  PutBall((N + 1) / 2);
  int t = PutBall((N + 1) / 2);
  int s, e;
  if(t == -1){ s = (N + 1) / 2; e = N; }
  else{ s = 0; e = (N - 1) / 2; }
  for(int i = s; i <= e; i++) ss.insert(i);
  while(ss.size() > 1){
    fv.clear(); rv.clear();
    int c = int(ss.size()) / 2;
    for(int i = 0; i < c; i++){
      fv.push_back(*ss.begin());
      ss.erase(ss.begin());
    }
    while(!ss.empty()){
      rv.push_back(*ss.begin());
      ss.erase(ss.begin());
    }
    int m = N - fv.back();
    int t = PutBall(m);
    if(t == -1) rv.clear();
    else fv.clear();
    for(auto &i : fv) ss.insert((i + m) % (N + 1));
 
 
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• Subtask 1: 1 / 1