oj.uz

Submission #967553

# Submission time Handle Problem Language Result Execution time Memory
967553 2024-04-22T12:22:25 Z happy_node Amusement Park (JOI17_amusement_park) C++17
0 / 100
 183 ms 262144 KB 
#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> adj[MX];

int timer=-1;
vector<int> euler;
int sz[MX], par[MX], tin[MX], tout[MX];

void dfs(int v, int p) {
        tin[v]=++timer;
        euler.push_back(tin[v]);
        sz[v]=1;
        par[v]=p;
        for(auto u:adj[v]) {
                if(u==p) continue;
                dfs(u,v);
                sz[v]+=sz[u];
        }
        tout[v]=timer;
}

void Joi(int N, int M, int A[], int B[], long long X, int T) {
        for(int i=0;i<N-1;i++) {
                adj[A[i]].push_back(B[i]);
                adj[B[i]].push_back(A[i]);
        }

        dfs(0,-1);

        for(int i=0;i<N;i++) {
                int k=i%60;
                MessageBoard(euler[i],X>>k&1);
        }
}
#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

const int MX=10005;

vector<int> adj[MX];

int timer=-1;
vector<int> euler;
int sz[MX], par[MX], tin[MX], tout[MX];

void dfs(int v, int p) {
        tin[v]=++timer;
        euler.push_back(tin[v]);
        sz[v]=1;
        par[v]=p;
        for(auto u:adj[v]) {
                if(u==p) continue;
                dfs(u,v);
                sz[v]+=sz[u];
        }
        tout[v]=timer;
}

ll get(int x, int y) {
        return y*(1LL<<(tin[x]%60));
}

ll res=0;

void dfs0(int v, int p) {
        for(auto u:adj[v]) {
                if(u==p) continue;
                res|=get(u,Move(u));
                dfs0(u,v);
                Move(v);
        }
}

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
        for(int i=0;i<N-1;i++) {
                adj[A[i]].push_back(B[i]);
                adj[B[i]].push_back(A[i]);
        }

        dfs(0,-1);

        int k;
        while(sz[P]<60) {
                P=par[P];
                k=Move(P);
        }

        res|=get(P,k);
        dfs0(P,par[P]);

        return res;
}

Compilation message

Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:29:16: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   29 |         return y*(1LL<<(tin[x]%60));
      |                ^
Ioi.cpp:51:13: note: 'k' was declared here
   51 |         int k;
      |             ^

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1296 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 183 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 1292 KB Wrong Answer [7]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# Verdict Execution time Memory Grader output
1 Runtime error 181 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 151 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -