oj.uz

Submission #481437

# Submission time Handle Problem Language Result Execution time Memory
481437 2021-10-20T20:20:00 Z Mihai_Eduard Rice Hub (IOI11_ricehub) C++14
100 / 100
 15 ms 2380 KB 
bool verify(long long sum[], int r, int l, int x[], long long b, int nr)
{
    int st, dr, mij;
    long long total;
    for(int i=1;i<=r-nr+1;i++)
    {
        st=i;
        dr=i+nr-1;
        mij=(st+dr)/2;
        total=0;
        total=total+x[mij-1]*(mij-st);
        total=total-(sum[mij-1]-sum[st-1]);
        total=total+(sum[dr]-sum[mij]);
        total=total-x[mij-1]*(dr-mij);

        if(total<=b)
            return true;
    }
    return false;
}

int besthub(int r, int l, int x[], long long b)
{
    long long sum[100005]={};
    sum[0]=0;
    for(int i=1;i<=r;i++)
        sum[i]=sum[i-1]+x[i-1];
    int st=1, dr=r+1, mij;
    while(dr-st>1)
    {
        mij=(st+dr)/2;
        if(verify(sum,r,l,x,b,mij))
            st=mij;
        else
            dr=mij;
    }
    return st;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 0 ms 972 KB Output is correct
4 Correct 0 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 0 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 0 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 972 KB Output is correct
26 Correct 1 ms 972 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 0 ms 972 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 1 ms 972 KB Output is correct
13 Correct 1 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 972 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 1 ms 972 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 972 KB Output is correct
26 Correct 1 ms 972 KB Output is correct
27 Correct 1 ms 972 KB Output is correct
28 Correct 1 ms 972 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1100 KB Output is correct
2 Correct 3 ms 1100 KB Output is correct
3 Correct 13 ms 1464 KB Output is correct
4 Correct 13 ms 1424 KB Output is correct
5 Correct 7 ms 1228 KB Output is correct
6 Correct 8 ms 1228 KB Output is correct
7 Correct 15 ms 1356 KB Output is correct
8 Correct 12 ms 1356 KB Output is correct
9 Correct 6 ms 1228 KB Output is correct
10 Correct 7 ms 1232 KB Output is correct
11 Correct 13 ms 1356 KB Output is correct
12 Correct 15 ms 1364 KB Output is correct
13 Correct 7 ms 1180 KB Output is correct
14 Correct 8 ms 1612 KB Output is correct
15 Correct 10 ms 2112 KB Output is correct
16 Correct 11 ms 2116 KB Output is correct
17 Correct 13 ms 2252 KB Output is correct
18 Correct 15 ms 2252 KB Output is correct
19 Correct 12 ms 2380 KB Output is correct
20 Correct 12 ms 2360 KB Output is correct