Submission #159629

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
159629	2019-10-23 16:00:36	rama_pang	Robots (IOI13_robots)	C++14	100 / 100	2036 ms	26680 KiB

robots

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#include "robots.h"
#include <bits/stdc++.h>
using namespace std;
int A, B, T;
vector<int> robotW, robotS, W, S, items;
bool is_possible(int t) {
    priority_queue<int> size; // sorted by size
    int cur = 0;
    for (int i = 0; i < A; i++) {
        while (cur < T && W[items[cur]] < robotW[i]) size.push(S[items[cur++]]);
        int sz = size.size();
        while (size.size() > max(0, sz - t)) size.pop();
    }
    while (cur < T) size.push(S[items[cur++]]);
    
    for (int i = B - 1; i >= 0; i--) {
        int sz = size.size();
        while (size.size() > max(0, sz - t) && size.top() < robotS[i]) size.pop();
    }
    return size.empty();
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    for (int i = 0; i < T; i++) ::W.push_back(W[i]); 
    for (int i = 0; i < T; i++) ::S.push_back(S[i]); 
 
 
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Compilation message (stderr)

robots.cpp: In function 'bool is_possible(int)':
robots.cpp:15:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (size.size() > max(0, sz - t)) size.pop();
                ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
robots.cpp:22:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (size.size() > max(0, sz - t) && size.top() < robotS[i]) size.pop();
                ~~~~~~~~~~~~^~~~~~~~~~~~~~~~

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