Submission #83254

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
83254	2018-11-06 12:18:04	win11905	Mechanical Doll (IOI18_doll)	C++14	100 / 100	124 ms	12024 KiB

doll

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#include "doll.h"
#include <bits/stdc++.h>
#define pii pair<int, int>
#define x first
#define y second
using namespace std;
const int N = 3e5+5;
vector<int> A, X, Y;
int M, ptr = 1;
pii g[N];
bool state[N];
void solve(int p, int l, int r) {
    int m = (l + r) >> 1;
    if(l + 1 == r) {
        if(M <= m) g[p].x = 1;
        return;
    }
    g[p].y = ++ptr;
    solve(ptr, l, m);
    if(M > m) {
        g[p].x = ++ptr;
        solve(ptr, m+1, r);
    } else {
        g[p].x = 1;
    }
}
 
 
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• Subtask 1: 2 / 2
• Subtask 2: 4 / 4
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 18 / 18
• Subtask 6: 56 / 56