Submission #85823

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
85823	2018-11-21 17:12:23	ToadDaveski	Longest beautiful sequence (IZhO17_subsequence)	C++11	100 / 100	4664 ms	228108 KiB

subsequence

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#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll a[100001],k[100001],kolb[(1<<11)],dp[21][(1<<11)][(1<<11)],pr[100001],nom[21][(1<<11)][(1<<11)];
deque <ll> answer;
int main()
{
    ll n,m,i,j,fin=-1,mdp=-1;
    cin>>n;
    for(i=1;i<=n;i++)
        cin>>a[i];
    for(i=1;i<=n;i++)
        cin>>k[i];
    for(i=1;i<=(1<<10);i++)
        kolb[i]= __builtin_popcount(i);
    for(i=1;i<=n;i++)
    {
        ll x=(a[i]>>10);
        ll y=a[i]-(x<<10);
        pr[i]=i;
        ll ans=1;
        for(j=0;j<=(1<<10);j++)
        {
            ll ob=kolb[y&j];
            if (ob<=k[i] && k[i]-ob<=10 && dp[k[i]-ob][j][x]+1>ans)
            {
                //cout<<i<<"="<<j<<" "<<x<<" "<<nom[k[i]-ob][j][x]<<" "<<dp[k[i]-ob][j][x]<<" ";
                ans=dp[k[i]-ob][j][x]+1;
                pr[i]=nom[k[i]-ob][j][x];
            }
 
 
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Compilation message (stderr)

subsequence.cpp: In function 'int main()':
subsequence.cpp:8:10: warning: unused variable 'm' [-Wunused-variable]
     ll n,m,i,j,fin=-1,mdp=-1;
          ^

• Subtask 1: 7 / 7
• Subtask 2: 16 / 16
• Subtask 3: 17 / 17
• Subtask 4: 60 / 60