Submission #130635

#	Time	Username	Problem	Language	Result	Execution time	Memory
130635		RezwanArefin01	City (JOI17_city)	C++17	Compilation error	0 ms	0 KiB

Encoder

#include <bits/stdc++.h>
#include "Encoder.h"

using namespace std; 

const int N = 2e5 + 5;
vector<int> a, adj[N];
int in[N], sz[N], idx; 

void build() {
    double r = pow(2, 20.0 / 256.0); 
    a.push_back(1);
    while(a.size() < 256) {
        int x = a.back() * r; 
        if(x == a.back()) ++x; 
        a.push_back(x); 
    } 
}

void dfs(int u, int p) {
    in[u] = idx++, sz[u] = 1; 

    for(int v : adj[u]) if(v - p) {
        dfs(v, u); 
        sz[u] += sz[v]; 
    }

    int opt = lower_bound(a.begin(), a.end(), sz[u]) - a.begin();
    
    sz[u] = a[opt]; 
    idx = in[u] + sz[u];

    Code(u, ((long long)in[u] << 8) | opt);
}   

void Encode(int n, int A[], int B[]) {
    build();
    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);
}

Device

Compilation message (stderr)

/tmp/ccSHEgTY.o: In function `main':
grader_device.cpp:(.text.startup+0xe3): undefined reference to `InitDevice()'
grader_device.cpp:(.text.startup+0x16a): undefined reference to `Answer(long long, long long)'
collect2: error: ld returned 1 exit status