Submission #82002

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
82002	2018-10-28 11:11:58	lovemathboy	Mechanical Doll (IOI18_doll)	C++14	100 / 100	149 ms	16072 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
void answer(vector<int> C, vector<int> X, vector<int> Y);
int n, m;
vector<int> a, b;
vector<int> x, y;
void build(int p, int l, int r) {
  if (l == r-1) {
    if (b[l] <= n) {
      x[p-1] = a[b[l]];
    }
    else x[p-1] = -1;
    if (b[r] <= n) {
      y[p-1] = a[b[r]];
    }
    else y[p-1] = -1;
  }
  else {
    x[p-1] = -(2*p);
    y[p-1] = -(2*p+1);
    int mid = (l+r)/2;
    build(2*p, l, mid);
    build(2*p+1, mid+1, r);
    if (x[2*p-1] == -1 && y[2*p-1] == -1) {
      x[p-1] = -1;
      x[2*p-1] = 1012345678; //flag for it to be deleted
 
 
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Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:46:18: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   46 |  while (b.size() < n+1) {
      |         ~~~~~~~~~^~~~~
doll.cpp:48:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   for (int i = 0; i < b.size(); i++) {
      |                   ~~^~~~~~~~~~
doll.cpp:54:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  for (int i = 0; i < b.size() - a.size(); i++) {
      |                  ~~^~~~~~~~~~~~~~~~~~~~~
doll.cpp:61:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |  for (int i = 0; i< temp.size(); i++) {
      |                  ~^~~~~~~~~~~~~
doll.cpp:67:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |  for (int i = 0; i < b.size(); i++) {
      |                  ~~^~~~~~~~~~
doll.cpp:87:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |  for (int i = 0; i < x.size(); i++) {
      |                  ~~^~~~~~~~~~
doll.cpp:94:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   94 |  for (int i = 0; i < x.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