Submission #357740

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
357740	2021-01-24 15:04:02	nicolaalexandra	Divide and conquer (IZhO14_divide)	C++14	100 / 100	150 ms	6892 KiB

divide

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#include <bits/stdc++.h>
#define DIM 100010
#define INF 2000000000000000000LL
using namespace std;
long long aint[DIM*5],sp[DIM],sp_g[DIM];
int n,i,x,sol;
void build (int nod, int st, int dr){
    if (st == dr){
        aint[nod] = INF;
        return;
    }
    int mid = (st+dr)>>1;
    build (nod<<1,st,mid);
    build ((nod<<1)|1,mid+1,dr);
    aint[nod] = INF;
}
void update (int nod, int st, int dr, int poz, long long val){
    if (st == dr){
        aint[nod] = val;
        return;
    }
    int mid = (st+dr)>>1;
    if (poz <= mid)
        update (nod<<1,st,mid,poz,val);
    else update ((nod<<1)|1,mid+1,dr,poz,val);
    aint[nod] = min (aint[nod<<1],aint[(nod<<1)|1]);
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 52 / 52