Submission #210077

#	Time	Username	Problem	Language	Result	Execution time	Memory
210077		mohamedsobhi777	Robots (IOI13_robots)	C++14	0 / 100	3066 ms	19676 KiB

robots

    #include "robots.h"
    #include <bits/stdc++.h>
    const int N = 1e6 + 6 ;
    int AA , BB  , TT  ;
    int XX[N] , YY[N] , WW[N] , SS[N] ; 
            
    using namespace std ; 
        
        
    bool check(int x){
        vector< pair<int, int > > fr , se; 
        for(int i = 0 ; i < TT ; i++){
            fr.push_back({WW[i] , i }) ; 
        }
        sort(fr.begin() , fr.end()) ;
        vector<int> vis(N , 0 ); 
        for(int i = 0  ; i < AA && fr.size(); i++){
            int j = (int)(lower_bound(fr.begin() , fr.end()  , make_pair(XX[i] , 0)  ) - fr.begin()) ;
            if(!j)continue; 
            j--; 
            vector<int> aux;
            int k = x ; 
            while(k-- && j>=0){
                int r = fr[j].second ; 
                if(vis[r]){
                    k++ ; 
                    j--;
                    continue ; 
                }
                vis[r] ++ ; 
                j--; 
            }
            
        }
        for(auto u : fr){
                if(!vis[u.second]){
                    se.push_back({SS[u.second] , u.second}) ; 
                }
            }
        return !se.size() ; 
    }
            
    int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
        AA = A ; BB= B ; TT = T ; 
        for(int i = 0 ; i < A ; i++)XX[i] = X[i] ; 
        for(int i = 0 ; i < B ; i++)YY[i] = Y[i] ; 
        for(int i = 0 ; i < T ; i++){
            WW[i] = W[i] ; 
            SS[i] = S[i] ; 
        }
        sort(XX , XX + AA) ; 
        sort(YY , YY + BB) ; 
        int l = 1 , r = T ;
        int ans = -1; 
        while(l<=r){
            int mid = (l+r) /2;
          //  cout<<l <<" " << r<<" " << mid<<"\n" ; 
            if(check(mid)){
                ans = mid ; 
                r = mid - 1 ; 
            }
            else{
                l = mid + 1 ; 
            }
        }
        return ans ;
    }

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