Submission #98595

#	Time	Username	Problem	Language	Result	Execution time	Memory
98595		someone_aa	popa (BOI18_popa)	C++17	0 / 100	27 ms	572 KiB

popa

#include <bits/stdc++.h>
#include "popa.h"
#define ll long long
#define pb push_back
#define mp make_pair
using namespace std;
const int maxn = 1100;

/*int query(int a, int b, int c, int d) {
    cout<<a<<" "<<b<<" "<<c<<" "<<d<<endl;
    int answer;
    cin>>answer;
    return answer;
}*/

int parent[maxn];
int li[maxn], ri[maxn];
int solvef(int l, int r) {
    if(l > r) return -1;
    if(l == r) return l;

    int index = r;
    for(int cekor = (r-l+1)/2; cekor>0;cekor/=2) {
        while(index-cekor>=l && query(l, index-cekor, index-cekor, r)) index-=cekor;
    }

    //cout<<"["<<l<<", "<<r<<"] -> "<<index<<"\n";
    li[index] = solvef(l, index-1);
    ri[index] = solvef(index+1, r);
    return index;
}
// solve function
int solve(int n, int *l , int *r) {
    for(int i=0;i<n;i++) {
        li[i] = ri[i] = -1;
        parent[i] = i;
    }
    int x = solvef(0, n-1);

    for(int i=0;i<n;i++) {
        l[i] = li[i];
        r[i] = ri[i];
        //cout<<i<<": "<<l[i]<<" "<<r[i]<<"\n";
    }

    return x;
}

/*int main() {
    int a[6], b[6];
    cout<<solve(6, a, b);
    return 0;
}*/

• Subtask 1: 0 / 37
• Subtask 2: 0 / 24
• Subtask 3: 0 / 39