Submission #55309

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
55309	2018-07-06 23:28:32	ksun48	Cultivation (JOI17_cultivation)	C++14	45 / 100	2081 ms	1276 KiB

cultivation

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#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int r, c, n;
vector<pair<int,int> > seeds;
const int INF = 2100100100;
int best = INF;
set<int> tried;
struct maxqueue {
  vector<int> elements;
  vector<int> indices;
  int s;
  int len;
  maxqueue() : s(0), len(0), elements(0), indices(0) {}
};
void insert(maxqueue* m, int f){
  while(m->elements.size() > 0 && m->elements.size() > m->s && m->elements[m->elements.size()-1] <= f){
    m->elements.pop_back();
    m->indices.pop_back();
  }
  m->elements.push_back(f);
  m->indices.push_back(m->len);
  m->len++;
}
int get(maxqueue* m){
  return m->elements[m->s];
}
 
 
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Compilation message (stderr)

cultivation.cpp: In constructor 'maxqueue::maxqueue()':
cultivation.cpp:15:6: warning: 'maxqueue::len' will be initialized after [-Wreorder]
  int len;
      ^~~
cultivation.cpp:12:14: warning:   'std::vector<int> maxqueue::elements' [-Wreorder]
  vector<int> elements;
              ^~~~~~~~
cultivation.cpp:16:2: warning:   when initialized here [-Wreorder]
  maxqueue() : s(0), len(0), elements(0), indices(0) {}
  ^~~~~~~~
cultivation.cpp: In function 'void insert(maxqueue*, int)':
cultivation.cpp:20:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(m->elements.size() > 0 && m->elements.size() > m->s && m->elements[m->elements.size()-1] <= f){
                                  ~~~~~~~~~~~~~~~~~~~^~~~~~
cultivation.cpp: In function 'void tryxfast(int)':
cultivation.cpp:59:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < pos.size(); i++){
                 ~~^~~~~~~~~~~~
cultivation.cpp:69:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < pos.size(); i++){
                 ~~^~~~~~~~~~~~
cultivation.cpp:95:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < pos.size(); i++){
                 ~~^~~~~~~~~~~~
cultivation.cpp:96:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(j < pos.size() && pos[j] <= pos[i] + r - 1){
         ~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 30 / 30
• Subtask 5: 0 / 20
• Subtask 6: 0 / 20