답안 #237071

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
237071	2020-06-04T12:05:06 Z	nicolaalexandra	쌀 창고 (IOI11_ricehub)	C++14	100 / 100	24 ms	2944 KB

ricehub

#include <bits/stdc++.h>
#include "ricehub.h"
#define DIM 200010
using namespace std;

long long sp[DIM];
int v[DIM];

long long get_sum (int x, int y){
    if (x > y)
        return 0;

    return sp[y] - sp[x-1];
}

int verif (int val, int n, long long b){

    for (int i=1;i<=n-val+1;i++){
        int st = i, dr = i + val-1;
        int mid = (st + dr)>>1; /// aici fixez locatia

        long long dist = 1LL * (mid-st) * v[mid] - get_sum (st,mid-1);
        dist += get_sum (mid+1,dr) - 1LL * (dr - mid) * v[mid];

        if (dist <= b)
            return 1;

    }
    return 0;

}

int besthub (int n, int l, int x[], long long b){

    for (int i=0;i<n;i++){
        v[i+1] = x[i];
        sp[i+1] = sp[i] + v[i+1];
    }

    int st = 1, dr = n, sol = 1;
    while (st <= dr){
        int mid = (st+dr)>>1;
        if (verif(mid,n,b)){
            sol = mid;
            st = mid+1;
        } else dr = mid-1;
    }

    return sol;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct

Subtask #2

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	384 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	4 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	4 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	4 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	4 ms	384 KB	Output is correct
13	Correct	4 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	4 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	4 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	4 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	6 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	5 ms	384 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct

Subtask #3

26.0 / 26.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	5 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	384 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	512 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	512 KB	Output is correct
27	Correct	5 ms	512 KB	Output is correct
28	Correct	5 ms	384 KB	Output is correct

Subtask #4

32.0 / 32.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	768 KB	Output is correct
2	Correct	8 ms	768 KB	Output is correct
3	Correct	22 ms	2944 KB	Output is correct
4	Correct	21 ms	2944 KB	Output is correct
5	Correct	13 ms	1408 KB	Output is correct
6	Correct	13 ms	1408 KB	Output is correct
7	Correct	19 ms	2688 KB	Output is correct
8	Correct	19 ms	2688 KB	Output is correct
9	Correct	12 ms	1408 KB	Output is correct
10	Correct	14 ms	1408 KB	Output is correct
11	Correct	24 ms	2944 KB	Output is correct
12	Correct	23 ms	2936 KB	Output is correct
13	Correct	14 ms	1536 KB	Output is correct
14	Correct	14 ms	1536 KB	Output is correct
15	Correct	18 ms	2304 KB	Output is correct
16	Correct	19 ms	2304 KB	Output is correct
17	Correct	21 ms	2688 KB	Output is correct
18	Correct	22 ms	2688 KB	Output is correct
19	Correct	23 ms	2944 KB	Output is correct
20	Correct	22 ms	2816 KB	Output is correct