Submission #309999

#	Time	Username	Problem	Language	Result	Execution time	Memory
309999		amunduzbaev	Robots (IOI13_robots)	C++14	14 / 100	3073 ms	8696 KiB

robots

    #include "robots.h"
//    #include "grader.cpp"
    #include <bits/stdc++.h>
    using namespace std;
    const int N=1e6+5;
    const int N1=5e4+5;
    int t,a,b,a1[N1],b1[N1],w[N],s[N];
    int used[N1];
    bool check(int m){
        memset(used,0,sizeof(used));
        for(int i=0;i<t;i++){
            int l=0,r=a-1;
            while(l<r){
                int mid=(l+r)/2;
                if(a1[mid]>=w[i])
                    r=mid;
                else
                    l=mid+1;
            }
            while(used[l]==m&&l<a)
                l++;
            if(l==a&&used[l]==m)
                return 0;
            used[l]++;
        }
        
        return 1;

    }
    int putaway(int A, int B, int T, int A1[], int B1[], int W[], int S[]) {
        t=T,a=A,b=B;
        for(int i=0;i<t;i++){
            w[i]=W[i];
            s[i]=S[i];
        }
        for(int i=0;i<a;i++) a1[i]=A1[i];
        for(int i=0;i<b;i++) b1[i]=B1[i];
        sort(a1,a1+a);
        sort(b1,b1+b);
        for(int i=0;i<t;i++){
            if(a&&b){
                if(w[i]>=a1[a-1]&&s[i]>=b1[b-1]) return -1;
            }else if(a){
                if(w[i]>=a1[a-1]) return -1;
            }else{
                if(s[i]>=b1[b-1]) return -1;
            }
        }
        if(t==2){
            if(a>0&&b>0){
                return (a1[0]>w[0]&&b1[0]>s[1]||a1[0]>w[1]&&b1[0]>s[0]) ? 1 : 2 ;
            }
            if(a>0){
                return (a1[0]>w[0]&&a1[1]>w[1]||a1[1]>w[0]&&a1[0]>w[1]) ? 1 : 2 ;
            }
            if(b>0){
                return (b1[0]>s[0]&&b1[1]>s[1]||b1[1]>s[0]&&b1[0]>s[1]) ? 1 : 2 ;
            }
        }
        int l=1,r=t;
        while(l<r){
            int m=(l+r)/2;
            if(check(m))
                r=m-1;
            else
                l=m;
        }
        return l;

    }
    /*


    */

Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:51:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   51 |                 return (a1[0]>w[0]&&b1[0]>s[1]||a1[0]>w[1]&&b1[0]>s[0]) ? 1 : 2 ;
      |                         ~~~~~~~~~~^~~~~~~~~~~~
robots.cpp:54:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   54 |                 return (a1[0]>w[0]&&a1[1]>w[1]||a1[1]>w[0]&&a1[0]>w[1]) ? 1 : 2 ;
      |                         ~~~~~~~~~~^~~~~~~~~~~~
robots.cpp:57:35: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   57 |                 return (b1[0]>s[0]&&b1[1]>s[1]||b1[1]>s[0]&&b1[0]>s[1]) ? 1 : 2 ;
      |                         ~~~~~~~~~~^~~~~~~~~~~~

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