Submission #1207596

#	Time	Username	Problem	Language	Result	Execution time	Memory
1207596		ricardsjansons	Secret (JOI14_secret)	C++20	30 / 100	391 ms	4416 KiB

secret

#include "secret.h"
#include <bits/stdc++.h>
using namespace std;

const int N=1<<10;

vector<int>segt(N*2,-1);

void upd(int i,int x){
    i+=N;
    segt[i]=x;
    for(i/=2;i;i/=2){
        if(segt[i*2]<0||segt[i*2+1]<0){
            break;
        }
        segt[i]=Secret(segt[i*2],segt[i*2+1]);
    }
}

void Init(int n, int a[]) {
    for(int i=0;i<n;i++){
        upd(i,a[i]);
    }
}

int Query(int l, int r) {
    l+=N;
    r+=N;
    vector<int>vl,vr;
    while(l<=r){
        if(l%2==1){
            vl.push_back(segt[l++]);
        }
        if(r%2==0){
            vr.push_back(segt[r--]);
        }
        l/=2;
        r/=2;
    }
    vector<int>v;
    for(int x:vl){
        v.push_back(x);
    }
    reverse(vr.begin(),vr.end());
    for(int x:vr){
        v.push_back(x);
    }
    int res=v.front();
    for(int i=1;i<v.size();i++){
        res=Secret(res,v[i]);
    }
    return res;
}

• Subtask 1: 30 / 100