Submission #1036265

#	Time	Username	Problem	Language	Result	Execution time	Memory
1036265		beaconmc	Robots (IOI13_robots)	C++14	14 / 100	777 ms	19700 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>

typedef int ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)

using namespace std;


bool sus(vector<ll> stuff, vector<ll> robot, ll k){
    sort(stuff.begin(), stuff.end());
    sort(robot.begin(), robot.end());
    ll cur = 0;
    for (auto&i : robot){
        ll cnt = 0;
        while (cur < stuff.size() && cnt < k){
            if (stuff[cur] < i) cur++, cnt++;
            else break;
        }
    }
    if (cur == stuff.size()) return true;
    else return false;
}


int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    vector<ll> x;
    vector<ll> w;
    FOR(i,0,A) x.push_back(X[i]);
    FOR(i,0,T) w.push_back(W[i]);

    ll l = 0;
    ll r = T+1;
    while (l<r){
        ll mid = (l+r)/2;
        if (sus(w,x,mid)) r = mid;
        else l = mid+1;
    }
    if (l==T+1) return -1;
    else return l;
}

Compilation message (stderr)

robots.cpp: In function 'bool sus(std::vector<int>, std::vector<int>, ll)':
robots.cpp:17:20: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         while (cur < stuff.size() && cnt < k){
      |                ~~~~^~~~~~~~~~~~~~
robots.cpp:22:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |     if (cur == stuff.size()) return true;
      |         ~~~~^~~~~~~~~~~~~~~

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