Submission #94636

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
94636	2019-01-22 03:19:01	Retro3014	Robots (IOI13_robots)	C++17	100 / 100	1801 ms	24804 KiB

robots

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#include "robots.h"
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
using namespace std;
struct S{
  int w, s;
  bool operator <(const S &a)const{
    return w<a.w;
  }
};
vector<S> v;
vector<int> x, y;
priority_queue<int> pq;
bool chk(int k){
  while(!pq.empty())  pq.pop();
  int j=0, t;
  for(int i=0; i<v.size(); i++){
    while(j<x.size() && x[j]<=v[i].w){
      t = k;
      while(t-- && !pq.empty()) pq.pop();
      j++;
    }
    pq.push(v[i].s);
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

robots.cpp: In function 'bool chk(int)':
robots.cpp:23:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0; i<v.size(); i++){
               ~^~~~~~~~~
robots.cpp:24:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(j<x.size() && x[j]<=v[i].w){
         ~^~~~~~~~~
robots.cpp:31:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while(j<x.size()){
        ~^~~~~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 10 / 10