Submission #553586

# Submission time Handle Problem Language Result Execution time Memory
553586 2022-04-26T09:52:03 Z andrei_boaca Snowball (JOI21_ho_t2) C++14
33 / 100
1577 ms 9752 KB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll INF=1e17;
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=min(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=min(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(ll i=1;i<=n;i++)
        cin>>x[i];
    for(ll i=1;i<=q;i++)
        cin>>w[i];
    smax[1]=w[1];
    smin[1]=w[1];
    for(ll 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(ll 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);
            assert(fstL!=fstR||(fstL==INF||fstR==INF));
            if(fstL<fstR&&fstL<=q)
            {
                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);
            assert(fstL!=fstR||(fstL==INF||fstR==INF));
            if(fstR<fstL&&fstR<=q)
            {
                nr=p2-mij;
                dr=mij-1;
            }
            else
                st=mij+1;
        }
        sol[i+1]+=nr;
    }
    sol[1]-=smin[q];
    sol[n]+=smax[q];
    for(ll i=1;i<=n;i++)
        cout<<sol[i]<<'\n';
    return 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 340 KB Output is correct
4 Correct 9 ms 340 KB Output is correct
5 Correct 9 ms 340 KB Output is correct
6 Correct 8 ms 424 KB Output is correct
7 Correct 7 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 10 ms 428 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
# 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 340 KB Output is correct
4 Correct 9 ms 340 KB Output is correct
5 Correct 9 ms 340 KB Output is correct
6 Correct 8 ms 424 KB Output is correct
7 Correct 7 ms 340 KB Output is correct
8 Correct 6 ms 340 KB Output is correct
9 Correct 5 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 10 ms 428 KB Output is correct
16 Correct 9 ms 340 KB Output is correct
17 Correct 5 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 25 ms 5000 KB Output is correct
21 Correct 24 ms 4912 KB Output is correct
22 Correct 33 ms 4904 KB Output is correct
23 Correct 43 ms 4948 KB Output is correct
24 Correct 194 ms 5444 KB Output is correct
25 Correct 1560 ms 9668 KB Output is correct
26 Correct 1516 ms 9752 KB Output is correct
27 Correct 1483 ms 9480 KB Output is correct
28 Correct 1434 ms 9504 KB Output is correct
29 Correct 1317 ms 9216 KB Output is correct
30 Correct 778 ms 8928 KB Output is correct
31 Correct 113 ms 8460 KB Output is correct
32 Correct 70 ms 8472 KB Output is correct
33 Correct 115 ms 1176 KB Output is correct
34 Correct 1418 ms 9668 KB Output is correct
35 Correct 1399 ms 9588 KB Output is correct
36 Correct 1577 ms 9740 KB Output is correct
37 Correct 1452 ms 9696 KB Output is correct
38 Correct 1446 ms 9428 KB Output is correct
39 Correct 1470 ms 9476 KB Output is correct
40 Correct 752 ms 9452 KB Output is correct
41 Incorrect 28 ms 4936 KB Output isn't correct
42 Halted 0 ms 0 KB -