Submission #993400

#	Time	Username	Problem	Language	Result	Execution time	Memory
993400		MrM7md	Robots (IOI13_robots)	C++17	100 / 100	2522 ms	39576 KiB

robots

#include <bits/stdc++.h>
#include "robots.h"
using namespace std;
// #define int long long
#define endl '\n'
#define F first
#define SS second
#define pb push_back
#define all(a) a.begin(),a.end()
const int NN=1e6+50000;
const int MOD=1e9+7;
const int off=(1<<11);
 
 
int putaway(int A,int B,int T,int X[],int Y[],int W[],int S[]){
    int l=0,r=T+1;
    int ans=-1;
    while(l<r){
        vector<pair<int,pair<int,int>>>vec;
        int md=(l+r)/2;
        for(int i=0;i<T;i++)vec.pb({W[i],{1,i}});
        for(int i=0;i<A;i++)vec.pb({X[i],{0,i}});

        priority_queue<pair<int,int>> pq;

        sort(all(vec));
        for(int i=0;i<vec.size();i++){
            if(vec[i].SS.F==1){
                pq.push({S[vec[i].SS.SS],1});
            }
            else{
                int gg=md;
                while(gg--){
                    if(pq.empty())break;
                    pq.pop();
                }
            }
        }
        vector<pair<int,int>>vc;
        for(int i=0;i<B;i++)vc.pb({Y[i],0});
        while(!pq.empty()){
            vc.pb(pq.top());
            pq.pop();
        }

        sort(all(vc));
        int cnt=0;
        for(int i=0;i<vc.size();i++){
            if(vc[i].SS==1){
                cnt++;
            }
            else{
                cnt=max(cnt-md,0);
            }
        }
        if(cnt){
            l=md+1;
        }
        else{
            ans=md;
            r=md;
        }
    }

    return ans;
}

// signed main(){
//     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
// }

Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:27:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(int i=0;i<vec.size();i++){
      |                     ~^~~~~~~~~~~
robots.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         for(int i=0;i<vc.size();i++){
      |                     ~^~~~~~~~~~

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