Submission #423657

#	Time	Username	Problem	Language	Result	Execution time	Memory
423657		egekabas	popa (BOI18_popa)	C++14	61 / 100	284 ms	324 KiB

popa

#include <bits/stdc++.h>
#include "popa.h"
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
/*int ar[10009];
int query(int a, int b, int c, int d){
    int v1 = 0, v2 = 0;
    for(int i = a; i <= b; ++i)
        v1 = __gcd(v1, ar[i]);
    for(int i = c; i <= d; ++i)
        v2 = __gcd(v2, ar[i]);
    return v1 == v2;
}*/

int merge(int l, int r, int *Left, int *Right){
    if(l == -1)
        return r;
    if(r == -1)
        return l;
    if(query(l, r, l, l)){
        Right[l] = merge(Right[l], r, Left, Right);
        return l;
    }
    else{
        Left[r] = merge(l, Left[r], Left, Right);
        return r;
    }
}
int calc(int l, int r, int *Left, int *Right){
    if(l == r)
        return l;
    int m = (l+r)/2;
    int v1 = calc(l, m, Left, Right);
    int v2 = calc(m+1, r, Left, Right);
    return merge(v1, v2, Left, Right);
}
int solve(int N, int *Left, int *Right){
    for(int i = 0; i < N; ++i)
        Left[i] = Right[i] = -1;
    return calc(0, N-1, Left, Right);
}
/*int L[1009], R[1009];
int main(){
    
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);

    int n;
    cin >> n;
    for(int i = 0; i < n; ++i)
        cin >> ar[i];
    cout << solve(n, L, R) << '\n';
    for(int i = 0; i < n; ++i)
        cout << i << ' ' << L[i] << ' ' << R[i] << '\n';
}*/

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