oj.uz

Submission #553574

# Submission time Handle Problem Language Result Execution time Memory
553574 2022-04-26T09:32:55 Z andrei_boaca Snowball (JOI21_ho_t2) C++17
33 / 100
 1814 ms 10232 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF=1e9;
ll n,q,x[200005],w[200005],smax[200005],smin[200005],sol[200005];
ll getfst(ll need)
{
    assert(need!=0);
    if(need>=0)
    {
        ll st=1;
        ll dr=q;
        ll poz=INF;
        while(st<=dr)
        {
            ll mij=(st+dr)/2;
            if(smax[mij]>=need)
            {
                poz=mij;
                dr=mij-1;
            }
            else
                st=mij+1;
        }
        return poz;
    }
    else
    {
        ll st=1;
        ll dr=q;
        ll poz=INF;
        while(st<=dr)
        {
            ll mij=(st+dr)/2;
            if(smin[mij]<=need)
            {
                poz=mij;
                dr=mij-1;
            }
            else
                st=mij+1;
        }
        return poz;
    }
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin>>n>>q;
    for(int i=1;i<=n;i++)
        cin>>x[i];
    for(int i=1;i<=q;i++)
        cin>>w[i];
    smax[1]=w[1];
    smin[1]=w[1];
    for(int i=2;i<=q;i++)
    {
        w[i]=w[i-1]+w[i];
        smax[i]=max(smax[i-1],w[i]);
        smin[i]=min(smin[i-1],w[i]);
    }
    for(int i=1;i<n;i++)
    {
        ll p1=x[i];
        ll p2=x[i+1];
        ll st=p1+1;
        ll dr=p2;
        ll nr=0;
        while(st<=dr)
        {
            ll mij=(st+dr)/2;
            ll needL=mij-p1;
            ll needR=(mij-1)-p2;
            ll fstL=getfst(needL);
            ll fstR=getfst(needR);
            if(fstL<fstR&&fstL!=INF)
            {
                nr=mij-p1;
                st=mij+1;
            }
            else
                dr=mij-1;
        }
        sol[i]+=nr;
        st=p1;
        dr=p2-1;
        nr=0;
        while(st<=dr)
        {
            ll mij=(st+dr)/2;
            ll needL=mij+1-p1;
            ll needR=mij-p2;
            ll fstL=getfst(needL);
            ll fstR=getfst(needR);
            if(fstR<fstL&&fstR!=INF)
            {
                nr=p2-mij;
                dr=mij-1;
            }
            else
                st=mij+1;
        }
        sol[i+1]+=nr;
    }
    sol[1]-=smin[q];
    sol[n]+=smax[q];
    for(int i=1;i<=n;i++)
        cout<<sol[i]<<'\n';
    return 0;
}

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 10 ms 480 KB Output is correct
5 Correct 10 ms 512 KB Output is correct
6 Correct 8 ms 464 KB Output is correct
7 Correct 7 ms 468 KB Output is correct
8 Correct 6 ms 468 KB Output is correct
9 Correct 6 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 12 ms 468 KB Output is correct
16 Correct 11 ms 468 KB Output is correct
17 Correct 6 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct

Subtask #2
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 344 KB Output is correct
4 Correct 10 ms 480 KB Output is correct
5 Correct 10 ms 512 KB Output is correct
6 Correct 8 ms 464 KB Output is correct
7 Correct 7 ms 468 KB Output is correct
8 Correct 6 ms 468 KB Output is correct
9 Correct 6 ms 468 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 12 ms 468 KB Output is correct
16 Correct 11 ms 468 KB Output is correct
17 Correct 6 ms 468 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 31 ms 5488 KB Output is correct
21 Correct 28 ms 5504 KB Output is correct
22 Correct 31 ms 5448 KB Output is correct
23 Correct 42 ms 5580 KB Output is correct
24 Correct 206 ms 6000 KB Output is correct
25 Correct 1762 ms 10232 KB Output is correct
26 Correct 1724 ms 10180 KB Output is correct
27 Correct 1669 ms 9936 KB Output is correct
28 Correct 1639 ms 10160 KB Output is correct
29 Correct 1543 ms 9768 KB Output is correct
30 Correct 874 ms 9420 KB Output is correct
31 Correct 118 ms 8980 KB Output is correct
32 Correct 80 ms 9040 KB Output is correct
33 Correct 142 ms 1656 KB Output is correct
34 Correct 1563 ms 10152 KB Output is correct
35 Correct 1562 ms 10108 KB Output is correct
36 Correct 1814 ms 10164 KB Output is correct
37 Correct 1645 ms 9988 KB Output is correct
38 Correct 1637 ms 10024 KB Output is correct
39 Correct 1631 ms 10052 KB Output is correct
40 Correct 874 ms 10004 KB Output is correct
41 Incorrect 31 ms 5516 KB Output isn't correct
42 Halted 0 ms 0 KB -