Submission #89844

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
89844	2018-12-18 14:43:34	Bodo171	Divide and conquer (IZhO14_divide)	C++14	100 / 100	67 ms	9700 KiB

divide

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#include <iostream>
#include <fstream>
#include <algorithm>
#include <climits>
using namespace std;
const int nmax=100005;
long long aib[nmax],x[nmax],d[nmax],g[nmax],norm[nmax];
long long sum,sumGold,ans;
int n,i,j;
inline int lbit(int x)
{
    return  ((x^(x-1))&x);
}
void update(int poz,long long val)
{
    for(int idx=poz;idx<=n;idx+=lbit(idx))
        aib[idx]=max(aib[idx],val);
}
long long compute(int poz)
{
    long long ret=LLONG_MIN;
    for(int idx=poz;idx>0;idx-=lbit(idx))
        ret=max(ret,aib[idx]);
    return ret;
}
int pos(long long val)
{
    int ret=0;
    for(int p=17;p>=0;p--)
        if(ret+(1<<p)<=n&&norm[ret+(1<<p)]<=val)
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 52 / 52