oj.uz

Submission #249528

# Submission time Handle Problem Language Result Execution time Memory
249528 2020-07-15T08:13:08 Z Vimmer Poklon (COCI17_poklon7) C++14
114 / 120
 640 ms 135788 KB 
#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("fast-math")
//#pragma GCC optimize("no-stack-protector")

#define F first
#define S second
#define sz(x) int(x.size())
#define pb push_back
#define pf push_front
#define N 1000010
#define M ll(1e9 + 7)
#define inf 1e9 + 1e9   

using namespace std;
//using namespace __gnu_pbds;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef short int si;
typedef array <int, 6> a6;

//typedef tree <int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

int L[N], R[N];

void tranc(vector <char> &gr, int x)
{
    gr.clear();

    while (x > 0)
    {
        if (x % 2) gr.pb('1');
          else gr.pb('0');

        x /= 2;
    }

    reverse(gr.begin(), gr.end());
}

vector <char> dfs(int v)
{
    vector <char> l, r;

    if (L[v] < 0) l = dfs(abs(L[v])); else tranc(l, R[v]);

    if (R[v] < 0) r = dfs(abs(R[v])); else tranc(r, L[v]);

    if (sz(l) < sz(r)) swap(l, r);

    if (sz(l) != sz(r)) {l.pb('0'); return l;}

    for (int i = 0; i < sz(l); i++)
    {
        if (l[i] == r[i]) continue;

        if (r[i] == '1') swap(l, r);

        break;
    }

    l.pb('0');

    return l;
}

int main()
{
    //freopen("input.txt", "r", stdin); freopen("output4.txt", "w", stdout);

    ios_base::sync_with_stdio(0); istream::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    int n;

    cin >> n;

    for (int i = 1; i <= n; i++)
    {
        int l, r;

        cin >> l >> r;

        if (l < 0) L[i] = abs(l); else L[i] = -l;

        if (r < 0) R[i] = abs(r); else R[i] = -r;
    }

    vector <char> gr = dfs(1);

    for (auto it : gr) cout << it;
}

Subtask #1
114.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 7 ms 1024 KB Output is correct
12 Correct 8 ms 896 KB Output is correct
13 Correct 32 ms 4188 KB Output is correct
14 Correct 63 ms 8280 KB Output is correct
15 Correct 61 ms 1144 KB Output is correct
16 Correct 212 ms 20216 KB Output is correct
17 Correct 505 ms 41832 KB Output is correct
18 Correct 490 ms 47864 KB Output is correct
19 Correct 640 ms 32760 KB Output is correct
20 Correct 380 ms 135788 KB Output is correct