oj.uz

Submission #1091847

# Submission time Handle Problem Language Result Execution time Memory
1091847 2024-09-22T10:31:01 Z alexdd Speedrun (RMI21_speedrun) C++17
0 / 100
 64 ms 1616 KB 
#include "speedrun.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> con[1005];
void pune_hint(int nod, int x, int y)
{
    for(int i=0;i<10;i++)
    {
        if(((1<<i)&x))
            setHint(nod,i+1,1);
        if(((1<<i)&y))
            setHint(nod,i+11,1);
    }
}
void dfs(int nod, int par, int tori)
{
    vector<int> v;
    for(int adj:con[nod])
        if(adj!=par)
            v.push_back(adj);
    for(int i=0;i<v.size();i++)
    {
        if(i+1 < v.size())
            dfs(v[i],nod,v[i+1]);
        else
            dfs(v[i],nod,0);
    }
    if(tori==0)
    {
        if(v.empty()) pune_hint(nod,par,0);
        else pune_hint(nod,par,v[0]);
    }
    else
    {
        if(v.empty()) pune_hint(nod,tori,0);
        else pune_hint(nod,tori,v[0]);
    }
}
void assignHints(int subtask, int N, int A[], int B[])
{
    setHintLen(20);
    for(int i=1;i<N;i++)
    {
        con[A[i]].push_back(B[i]);
        con[B[i]].push_back(A[i]);
    }
    dfs(1,0,0);
}
int get1()
{
    int aux=0;
    for(int i=0;i<10;i++)
        if(getHint(i+1))
            aux += (1<<i);
    return aux;
}
int get2()
{
    int aux=0;
    for(int i=0;i<10;i++)
        if(getHint(i+11))
            aux += (1<<i);
    return aux;
}
int nxt[1005],down[1005];
void dfs_speedrun(int nod, int par)
{
    nxt[nod] = get1();
    down[nod] = get2();
    if(down[nod]==0)///e frunza
    {
        if(par!=0) assert(goTo(par));
        return;
    }
    int c = down[nod];
    while(1)
    {
        assert(goTo(c));
        dfs_speedrun(c,nod);
        c = nxt[c];
        if(c==nod)
            break;
    }
    if(par!=0) assert(goTo(par));
}
void speedrun(int subtask, int N, int start)
{
    int cur=start;
    while(cur!=1)
    {
        nxt[cur] = get1();
        assert(goTo(nxt[cur]));
        cur=nxt[cur];
    }
    assert(cur==1);
    dfs_speedrun(1,0);
}
/**
5
1 2
2 3
3 4
3 5
4
*/

Compilation message

speedrun.cpp: In function 'void dfs(int, int, int)':
speedrun.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~
speedrun.cpp:23:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         if(i+1 < v.size())
      |            ~~~~^~~~~~~~~~

Subtask #1
0.0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 44 ms 940 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 944 KB Output is correct
2 Runtime error 31 ms 940 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 940 KB Output is correct
2 Correct 64 ms 1616 KB Output is correct
3 Runtime error 49 ms 1196 KB Execution killed with signal 6
4 Halted 0 ms 0 KB -

Subtask #4
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 35 ms 944 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 50 ms 940 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -