Submission #244484

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
244484	2020-07-04 07:11:55	maximath_1	Mechanical Doll (IOI18_doll)	C++11	100 / 100	206 ms	14492 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> c, x, y, desti, state, l, r;
int id = 0, sz = 0;
int build(int nd, int tri){
  if(tri == 0) return -1;
  if(nd == 1) return id++;
  int nw = - sz - 1; sz ++;
  l[-nw] = build(nd/2, tri - min(nd/2, tri));
  r[-nw] = build(nd/2, min(nd/2, tri));
  return nw;
}
int dfs(int nw){
  if(nw >= 0) return nw;
  state[-nw] = 1 - state[-nw];
  if(state[-nw]) return dfs(l[-nw]);
  else return dfs(r[-nw]);
}
void create_circuit(int m, vector<int> a){
  a.push_back(0);
  int k = 1;
  for(; k < a.size(); k *= 2);
 
 
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Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:30:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(; k < a.size(); k *= 2);
      |        ~~^~~~~~~~~~
doll.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 0; i < a.size(); i++)
      |                 ~~^~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56