Submission #80942

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
80942	2018-10-23 06:51:32	wzy	Robots (IOI13_robots)	C++11	100 / 100	2716 ms	36572 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define pb push_back
#define F first
#define S second
// think about the toys as points (W[i] , S[i]) , robots as lines :
// robot A type is a vertical line in X[i]
// robot B type is a horizontal line in  Y[i]
// let R[i] be the leftmost type A robot that dominate 
vector<int> hold[2][50005];
bool used[1000005];
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
  vector<int> vert, hori;
  for(int i = 0 ; i < A ; i++){
    vert.push_back(X[i]);
  }
  for(int i = 0 ; i < B; i++){
    hori.push_back(Y[i]);
  }
  sort(vert.begin() , vert.end());
  sort(hori.begin() , hori.end());
  for(int i = 0 ; i < T ; i++){
    int l = 0 , r = vert.size();
    r--;
    int ansj = -1;
    while(l<=r){
      int mid = (l+r)/2;
 
 
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Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0 ; j < hold[0][i].size() ; j++) pq.push(pii(S[hold[0][i][j]] , hold[0][i][j]));
                    ~~^~~~~~~~~~~~~~~~~~~
robots.cpp:79:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j = 0 ; j < hold[1][i].size() ; j++){
                    ~~^~~~~~~~~~~~~~~~~~~

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