oj.uz

Submission #60711

# Submission time Handle Problem Language Result Execution time Memory
60711 2018-07-24T14:55:38 Z theknife2001 Rice Hub (IOI11_ricehub) C++17
68 / 100
 1000 ms 3196 KB 
#include "ricehub.h"
#include <bits/stdc++.h>

using namespace std;
const int N=1e5+55;
long long sum[N];
long long pos[N];
int n;



bool ok(int x, long long b)
{
    long long best,cur;
    best=1e18+55;
    for(int i=0;i<=n-x;i++)
    {
//        cur=pos[x/2+i]*(x/2)-sum[i+x/2-1];
//        if(i)
//            cur+=sum[i-1];
//        cur+=sum[i+x-1]-sum[i+(x-1)/2]-pos[x/2+i]*(x/2);
        cur=0;
        for(int j=i;j<i+x;j++)
        {
            cur+=abs(pos[j]-pos[i+x/2]);
        }
        best=min(best,cur);
//        cur=0;
//        for(int j=i;j<i+x;j++)
//        {
//            cur+=abs(pos[j]-pos[i+(x-1)/2]);
//        }
//        best=min(best,cur);
    }
    if(best>b)
        return 0;
    return 1;
}

int besthub(int N, int L, int X[], long long B)
{
    n=N;
    for(int i=0;i<n;i++)
    {
        pos[i]=X[i];
        sum[i]=X[i];
        if(i)
            sum[i]+=sum[i-1];
    }
    int l=2;
    int r=n+1;
    int mid;
    while(l<r)
    {
        mid=(l+r)/2;
        if(ok(mid,B))
            l=mid+1;
        else
            r=mid;
    }
    return l-1;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 412 KB Output is correct
4 Correct 3 ms 460 KB Output is correct
5 Correct 4 ms 588 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 588 KB Output is correct
2 Correct 2 ms 588 KB Output is correct
3 Correct 3 ms 668 KB Output is correct
4 Correct 3 ms 668 KB Output is correct
5 Correct 3 ms 668 KB Output is correct
6 Correct 2 ms 668 KB Output is correct
7 Correct 3 ms 668 KB Output is correct
8 Correct 4 ms 668 KB Output is correct
9 Correct 3 ms 672 KB Output is correct
10 Correct 3 ms 796 KB Output is correct
11 Correct 3 ms 796 KB Output is correct
12 Correct 3 ms 796 KB Output is correct
13 Correct 3 ms 796 KB Output is correct
14 Correct 3 ms 796 KB Output is correct
15 Correct 3 ms 796 KB Output is correct
16 Correct 3 ms 796 KB Output is correct
17 Correct 3 ms 796 KB Output is correct
18 Correct 3 ms 796 KB Output is correct
19 Correct 3 ms 796 KB Output is correct
20 Correct 3 ms 796 KB Output is correct
21 Correct 3 ms 796 KB Output is correct
22 Correct 5 ms 796 KB Output is correct
23 Correct 2 ms 796 KB Output is correct
24 Correct 4 ms 796 KB Output is correct
25 Correct 5 ms 800 KB Output is correct
26 Correct 3 ms 804 KB Output is correct
27 Correct 3 ms 808 KB Output is correct
28 Correct 5 ms 812 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 816 KB Output is correct
2 Correct 3 ms 816 KB Output is correct
3 Correct 4 ms 816 KB Output is correct
4 Correct 4 ms 816 KB Output is correct
5 Correct 3 ms 824 KB Output is correct
6 Correct 3 ms 828 KB Output is correct
7 Correct 5 ms 832 KB Output is correct
8 Correct 4 ms 936 KB Output is correct
9 Correct 5 ms 936 KB Output is correct
10 Correct 5 ms 936 KB Output is correct
11 Correct 4 ms 936 KB Output is correct
12 Correct 5 ms 936 KB Output is correct
13 Correct 4 ms 936 KB Output is correct
14 Correct 5 ms 960 KB Output is correct
15 Correct 3 ms 960 KB Output is correct
16 Correct 5 ms 960 KB Output is correct
17 Correct 4 ms 960 KB Output is correct
18 Correct 4 ms 968 KB Output is correct
19 Correct 4 ms 968 KB Output is correct
20 Correct 4 ms 984 KB Output is correct
21 Correct 36 ms 1084 KB Output is correct
22 Correct 36 ms 1104 KB Output is correct
23 Correct 34 ms 1168 KB Output is correct
24 Correct 28 ms 1204 KB Output is correct
25 Correct 26 ms 1240 KB Output is correct
26 Correct 26 ms 1288 KB Output is correct
27 Correct 101 ms 1324 KB Output is correct
28 Correct 90 ms 1356 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 1660 KB Output is correct
2 Correct 386 ms 1660 KB Output is correct
3 Execution timed out 1082 ms 3196 KB Time limit exceeded
4 Halted 0 ms 0 KB -