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Submission #249525

# Submission time Handle Problem Language Result Execution time Memory
249525 2020-07-15T08:02:20 Z Vimmer Poklon (COCI17_poklon7) C++14
90 / 120
 1000 ms 135924 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 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;

pair <int, int> val[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());
}

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

    if (val[v].F < 0) dfs(l, abs(val[v].F)); else tranc(l, val[v].F);

    if (val[v].S < 0) dfs(r, abs(val[v].S)); else tranc(r, val[v].S);

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

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

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

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

        break;
    }

    gr = l;

    gr.pb('0');
}

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) val[i].F = abs(l); else val[i].F = -l;

        if (r < 0) val[i].S = abs(r); else val[i].S = -r;
    }

    vector <char> gr;

    dfs(gr, 1);

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

Subtask #1
90.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is 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 12 ms 1152 KB Output is correct
12 Correct 13 ms 1024 KB Output is correct
13 Correct 75 ms 4472 KB Output is correct
14 Correct 225 ms 8952 KB Output is correct
15 Correct 81 ms 1152 KB Output is correct
16 Execution timed out 1088 ms 21880 KB Time limit exceeded
17 Execution timed out 1093 ms 45560 KB Time limit exceeded
18 Execution timed out 1099 ms 51960 KB Time limit exceeded
19 Execution timed out 1090 ms 35448 KB Time limit exceeded
20 Execution timed out 1102 ms 135924 KB Time limit exceeded