oj.uz

Submission #1118857

# Submission time Handle Problem Language Result Execution time Memory
1118857 2024-11-26T09:57:54 Z andrei_iorgulescu Speedrun (RMI21_speedrun) C++14
0 / 100
 1773 ms 1180 KB 
#include <bits/stdc++.h>
#include "speedrun.h"

using namespace std;

int n;
vector<int> g[1005];
int preord[1005], cr;

void dfs(int nod, int tata)
{
    preord[++cr] = nod;
    for (int i = 0; i < 10; i++)
        setHint(nod, i + 1, (bool)(tata & (1 << i)));
    for (auto vecin : g[nod])
        if (vecin != tata)
            dfs(vecin, nod);
}

void assignHints(int subtask, int N, int A[], int B[])
{
    setHintLen(20);
    n = N;
    for (int i = 1; i < n; i++)
    {
        g[A[i]].push_back(B[i]);
        g[B[i]].push_back(A[i]);
    }
    dfs(1, 0);
    for (int i = 1; i <= n; i++)
    {
        int nd = preord[i], urm = preord[i % n + 1];
        for (int j = 10; j < 20; j++)
            setHint(nd, j + 1, (bool)(urm & (1 << (j - 10))));
    }
}

int u()
{
    int x = 0;
    for (int i = 10; i < 20; i++)
    {
        if (getHint(i + 1))
            x += (1 << (i - 10));
    }
    return x;
}

int tt()
{
    int x = 0;
    for (int i = 0; i < 10; i++)
    {
        if (getHint(i + 1))
            x += (1 << i);
    }
    return x;
}

void speedrun(int subtask, int N, int start)
{
    int nod = start;
    n = N;
    while (true)
    {
        int trg = u();
        if (trg == start)
            break;
        while (true)
        {
            if (nod == trg)
                break;
            if (goTo(trg))
            {
                nod = trg;
                break;
            }
            goTo(tt());
            nod = tt();
        }
    }
}

Subtask #1
0.0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 300 ms 668 KB Solution didn't visit every node
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 408 ms 1108 KB Used too many wrong interactions
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 316 ms 1180 KB Solution didn't visit every node
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1773 ms 1096 KB Used too many wrong interactions
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 374 ms 856 KB Output is correct
2 Incorrect 348 ms 1092 KB Solution didn't visit every node
3 Halted 0 ms 0 KB -