Submission #1088693

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088693		VMaksimoski008	Robots (IOI13_robots)	C++17	90 / 100	3070 ms	23480 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>
using namespace std;

int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    vector<array<int, 2> > v;
    for(int i=0; i<T; i++) v.push_back({ W[i], S[i] });

    sort(X, X + A);
    sort(Y, Y + B);
    sort(v.begin(), v.end());

    int l=1, r=T, ans=-1;
    while(l <= r) {
        int mid = (l + r) / 2;
        bool ok = 1;

        priority_queue<int> pq;

        int j = 0;
        for(int i=0; i<A; i++) {
            while(j < T && v[j][0] < X[i]) pq.push(v[j][1]), j++;
            for(int k=0; k<mid&&!pq.empty(); k++) pq.pop();
        }

        vector<int> vec;
        for(int i=j; i<T; i++) pq.push(v[i][1]);

        for(int i=B-1; i>=0; i--)
            for(int k=0; k<mid&&!pq.empty(); k++)
                if(pq.top() < Y[i]) pq.pop();

        if(pq.empty()) ans = mid, r = mid - 1;
        else l = mid + 1;
    }

    return ans;
}

Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:16:14: warning: unused variable 'ok' [-Wunused-variable]
   16 |         bool ok = 1;
      |              ^~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 0 / 10