Submission #64666

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
64666	2018-08-05T10:51:44 Z	alenam0161	Rice Hub (IOI11_ricehub)	C++17	100 / 100	34 ms	7148 KB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
  int l=1;
  int r=R;
  int ans=1;
  while(l<=r){
    int mid=(l+r)/2;
    int curpos=0;
    long long hwl=1;
    long long hwr=mid-1;
    long long cur=0;
    int cl=0;int cr=mid-1;
    for(int i=1;i<mid;++i){
        cur+=X[i]-X[0];
    }
  //  cout<<mid<<" "<<cur<<endl;
    if(cur<=B){
        ans=mid;
        l=mid+1;
        continue;
    }
   // cout<<"h"<<endl;
    bool ok=true;
    while(cr<R){
        while(hwl<hwr&&curpos<cr){
            long long ds=(X[curpos+1]-X[curpos]);
            cur-=(hwr-hwl)*ds;
            hwl++;hwr--;
            curpos++;
        }
    //    cout<<cur<<" "<<hwl<<" "<<hwr<<" "<<cl<<" "<<cr<<endl;
        if(cur<=B){
            ok=false;
            break;
        }
        cl++;cr++;
        hwl--;hwr++;
        cur-=X[curpos]-X[cl-1];
        cur+=X[cr]-X[curpos];
    }
    if(ok){
        r=mid-1;
    }
    else{
        ans=mid;
        l=mid+1;
    }
  }
  return ans;
}

Subtask #1

17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	340 KB	Output is correct
2	Correct	3 ms	488 KB	Output is correct
3	Correct	0 ms	524 KB	Output is correct
4	Correct	3 ms	524 KB	Output is correct
5	Correct	3 ms	524 KB	Output is correct

Subtask #2

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	524 KB	Output is correct
2	Correct	3 ms	544 KB	Output is correct
3	Correct	3 ms	544 KB	Output is correct
4	Correct	3 ms	544 KB	Output is correct
5	Correct	3 ms	544 KB	Output is correct
6	Correct	3 ms	544 KB	Output is correct
7	Correct	3 ms	544 KB	Output is correct
8	Correct	3 ms	544 KB	Output is correct
9	Correct	3 ms	544 KB	Output is correct
10	Correct	2 ms	552 KB	Output is correct
11	Correct	3 ms	596 KB	Output is correct
12	Correct	3 ms	596 KB	Output is correct
13	Correct	2 ms	596 KB	Output is correct
14	Correct	3 ms	596 KB	Output is correct
15	Correct	3 ms	596 KB	Output is correct
16	Correct	3 ms	596 KB	Output is correct
17	Correct	2 ms	596 KB	Output is correct
18	Correct	3 ms	596 KB	Output is correct
19	Correct	3 ms	596 KB	Output is correct
20	Correct	3 ms	596 KB	Output is correct
21	Correct	3 ms	596 KB	Output is correct
22	Correct	2 ms	596 KB	Output is correct
23	Correct	3 ms	596 KB	Output is correct
24	Correct	4 ms	596 KB	Output is correct
25	Correct	3 ms	596 KB	Output is correct
26	Correct	2 ms	596 KB	Output is correct
27	Correct	4 ms	620 KB	Output is correct
28	Correct	2 ms	620 KB	Output is correct

Subtask #3

26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	620 KB	Output is correct
2	Correct	3 ms	620 KB	Output is correct
3	Correct	3 ms	620 KB	Output is correct
4	Correct	3 ms	620 KB	Output is correct
5	Correct	2 ms	620 KB	Output is correct
6	Correct	3 ms	620 KB	Output is correct
7	Correct	2 ms	620 KB	Output is correct
8	Correct	3 ms	620 KB	Output is correct
9	Correct	3 ms	620 KB	Output is correct
10	Correct	3 ms	620 KB	Output is correct
11	Correct	3 ms	620 KB	Output is correct
12	Correct	4 ms	620 KB	Output is correct
13	Correct	4 ms	620 KB	Output is correct
14	Correct	3 ms	620 KB	Output is correct
15	Correct	3 ms	620 KB	Output is correct
16	Correct	3 ms	620 KB	Output is correct
17	Correct	3 ms	620 KB	Output is correct
18	Correct	4 ms	620 KB	Output is correct
19	Correct	3 ms	620 KB	Output is correct
20	Correct	3 ms	748 KB	Output is correct
21	Correct	4 ms	760 KB	Output is correct
22	Correct	3 ms	760 KB	Output is correct
23	Correct	4 ms	760 KB	Output is correct
24	Correct	3 ms	760 KB	Output is correct
25	Correct	5 ms	760 KB	Output is correct
26	Correct	4 ms	760 KB	Output is correct
27	Correct	4 ms	760 KB	Output is correct
28	Correct	4 ms	760 KB	Output is correct

Subtask #4

32.0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	9 ms	760 KB	Output is correct
2	Correct	9 ms	760 KB	Output is correct
3	Correct	31 ms	1020 KB	Output is correct
4	Correct	34 ms	1020 KB	Output is correct
5	Correct	19 ms	1020 KB	Output is correct
6	Correct	18 ms	1020 KB	Output is correct
7	Correct	29 ms	1020 KB	Output is correct
8	Correct	19 ms	1020 KB	Output is correct
9	Correct	11 ms	1020 KB	Output is correct
10	Correct	11 ms	1020 KB	Output is correct
11	Correct	24 ms	1020 KB	Output is correct
12	Correct	32 ms	1020 KB	Output is correct
13	Correct	16 ms	1148 KB	Output is correct
14	Correct	16 ms	1536 KB	Output is correct
15	Correct	21 ms	2564 KB	Output is correct
16	Correct	20 ms	3224 KB	Output is correct
17	Correct	22 ms	4248 KB	Output is correct
18	Correct	23 ms	5212 KB	Output is correct
19	Correct	24 ms	6272 KB	Output is correct
20	Correct	24 ms	7148 KB	Output is correct