Submission #172316

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
172316	2020-01-01 07:19:30	maruii	Robots (IOI13_robots)	C++14	100 / 100	1950 ms	12908 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>;
#define ff first
#define ss second
int A, B, T, *X, *Y, *W, *S;
pii P[1000005];
bool f(int m) {
  priority_queue<int> pq;
  int j = 0;
  for (int i = 0; i < A; ++i) {
    while (j < T && P[j].ff < X[i]) {
      pq.push(P[j].ss);
      j++;
    }
    for (int k = 0; pq.size() && k < m; ++k) pq.pop();
  }
  for (; j < T; ++j) pq.push(P[j].ss);
  for (int i = B - 1; i >= 0; --i) {
    for (int j = 0; pq.size() && j < m; ++j) {
      if (pq.top() >= Y[i]) return 0;
      pq.pop();
    }
  }
  return pq.size() == 0;
}
 
 
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Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:41:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int m = l + r >> 1;
           ~~^~~

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