Submission #75055

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
75055	2018-09-08T07:38:59 Z	KieranHorgan	Mechanical Doll (IOI18_doll)	C++17	2 / 100	114 ms	18120 KB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;

pair<int, int> exits[400005];
vector<int> C, X, Y;

vector<int> afterInList[400005];
int nextSwitchIdx = -1;

int build(int i, vector<int> cur) {
  if(cur.size() == 1) {
    return cur[0];
  }

  if(i >= 0) {
    return build(nextSwitchIdx--, cur);
  }

  if(X.size() < abs(i)) {
    X.resize(abs(i));
    Y.resize(abs(i));
  }

  vector<int> nextCur;
  for(int j = 0; j < cur.size(); j+=2)
    nextCur.push_back(cur[j]);
  X[-(i+1)] = build(nextSwitchIdx--, nextCur);

  nextCur.clear();
  for(int j = 1; j < cur.size(); j+=2)
    nextCur.push_back(cur[j]);
  Y[-(i+1)] = build(nextSwitchIdx--, nextCur);

  return i;
}

void create_circuit(int M, vector<int> A) {
  int N = A.size();
  C.assign(M+1, 0);

  afterInList[0].push_back(A[0]);
  for(int i = 0; i+1 < N; i++)
    afterInList[A[i]].push_back(A[i+1]);
  afterInList[A.back()].push_back(0);

  for(int i = 0; i <= M; i++) {
    if(afterInList[i].empty())
      continue;

    C[i] = build(i, afterInList[i]);
  }

  answer(C, X, Y);
}

Compilation message

doll.cpp: In function 'int build(int, std::vector<int>)':
doll.cpp:26:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |   for(int j = 0; j < cur.size(); j+=2)
      |                  ~~^~~~~~~~~~~~
doll.cpp:31:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |   for(int j = 1; j < cur.size(); j+=2)
      |                  ~~^~~~~~~~~~~~

Subtask #1
2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	9616 KB	Output is correct
2	Correct	46 ms	13440 KB	Output is correct
3	Correct	41 ms	13048 KB	Output is correct
4	Correct	7 ms	9676 KB	Output is correct
5	Correct	18 ms	10824 KB	Output is correct
6	Correct	58 ms	14764 KB	Output is correct
7	Correct	8 ms	9696 KB	Output is correct

Subtask #2
0 / 4.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	9616 KB	Output is correct
2	Correct	46 ms	13440 KB	Output is correct
3	Correct	41 ms	13048 KB	Output is correct
4	Correct	7 ms	9676 KB	Output is correct
5	Correct	18 ms	10824 KB	Output is correct
6	Correct	58 ms	14764 KB	Output is correct
7	Correct	8 ms	9696 KB	Output is correct
8	Incorrect	114 ms	18120 KB	Output isn't correct
9	Halted	0 ms	0 KB	-

Subtask #3
0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	9616 KB	Output is correct
2	Correct	46 ms	13440 KB	Output is correct
3	Correct	41 ms	13048 KB	Output is correct
4	Correct	7 ms	9676 KB	Output is correct
5	Correct	18 ms	10824 KB	Output is correct
6	Correct	58 ms	14764 KB	Output is correct
7	Correct	8 ms	9696 KB	Output is correct
8	Incorrect	114 ms	18120 KB	Output isn't correct
9	Halted	0 ms	0 KB	-