oj.uz

Submission #241016

# Submission time Handle Problem Language Result Execution time Memory
241016 2020-06-22T07:36:38 Z SamAnd Poklon (COCI17_poklon7) C++17
72 / 120
 1000 ms 27640 KB 
#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);
const int N = 1000006;

int n;
int l[N], r[N];

int d[N];

void dfs(int x)
{
    if (l[x] > 0)
    {
        d[l[x]] = d[x] + 1;
        dfs(l[x]);
    }
    if (r[x] > 0)
    {
        d[r[x]] = d[x] + 1;
        dfs(r[x]);
    }
}

void solv()
{
    scanf("%d", &n);
    for (int i = 1; i <= n; ++i)
    {
        scanf("%d%d", &l[i], &r[i]);
    }
    dfs(1);
    int maxd = 0;
    for (int i = 1; i <= n; ++i)
        maxd = max(maxd, d[i]);
    int maxu = 0;
    for (int i = 1; i <= n; ++i)
    {
        if (l[i] < 0)
        {
            int ymax = -l[i];
            for (int j = d[i] + 1; j <= maxd; ++j)
            {
                if (ymax == 0)
                    break;
                ymax = (ymax / 2) + (ymax % 2);
            }
            maxu = max(maxu, ymax);
        }
        if (r[i] < 0)
        {
            int ymax = -r[i];
            for (int j = d[i]; j < maxd; ++j)
            {
                if (ymax == 0)
                    break;
                ymax = (ymax / 2) + (ymax % 2);
            }
            maxu = max(maxu, ymax);
        }
    }
    vector<int> v;
    while (maxu)
    {
        v.push_back(maxu % 2);
        maxu /= 2;
    }
    reverse(all(v));
    for (int i = 0; i < v.size(); ++i)
        printf("%d", v[i]);
    for (int i = 0; i <= maxd; ++i)
        printf("0");
    printf("\n");
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    //ios_base::sync_with_stdio(false), cin.tie(0);
    solv();
    return 0;
}

//while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}

Compilation message

poklon.cpp: In function 'void solv()':
poklon.cpp:76:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); ++i)
                     ~~^~~~~~~~~~
poklon.cpp:34:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
poklon.cpp:37:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &l[i], &r[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
72.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Incorrect 4 ms 384 KB Output isn't correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 57 ms 512 KB Output is correct
12 Correct 48 ms 512 KB Output is correct
13 Execution timed out 1093 ms 1152 KB Time limit exceeded
14 Execution timed out 1096 ms 2040 KB Time limit exceeded
15 Correct 37 ms 1528 KB Output is correct
16 Execution timed out 1082 ms 5496 KB Time limit exceeded
17 Execution timed out 1090 ms 11896 KB Time limit exceeded
18 Execution timed out 1089 ms 12536 KB Time limit exceeded
19 Execution timed out 1097 ms 13560 KB Time limit exceeded
20 Execution timed out 1099 ms 27640 KB Time limit exceeded