Submission #105838

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
105838	2019-04-15T10:30:04 Z	Pro_ktmr	City (JOI17_city)	C++14	Compilation error	0 ms	0 KB

Encoder

#include"bits/stdc++.h"
using namespace std;
#define LL long long
#define PB push_back
#define MP make_pair

#include"City_lib.h"

bool already[250000] = {};
vector<int> edge[250000];
LL c = 0;
LL dfs_order[250000];
LL pos[2500000];
void DFS(int now){
	already[now] = true;
	dfs_order[now] = c;
	c++;
	for(int i=0; i<edge[now].size(); i++){
		if(already[edge[now][i]]) continue;
		DFS(edge[now][i]);
	}
	pos[now] = c;
}

void Encode(int N, int A[], int B[]){
	for(int i=0; i<N-1; i++){
		edge[A[i]].PB(B[i]);
		edge[B[i]].PB(A[i]);
	}
	DFS(0);
	for(int i=0; i<N; i++){
		LL tmp = dfs_order[i] << 18;
		tmp += pos[i];
		Code(i, tmp);
	}
}

void InitDevice(){
	
}

int Answer(long long S, long long T){
	LL x = S >> 18;
	LL y = T >> 18;
	LL posX = S % (1<<18);
	LL posY = T % (1<<18);
	if(x == 0) return 1;
	if(y == 0) return 0;
	if(x < y && posY <= posX) return 1;
	if(y < x && posX <= posY) return 0;
	return 2;
}

Device

Compilation message

Encoder.cpp:7:9: fatal error: City_lib.h: No such file or directory
 #include"City_lib.h"
         ^~~~~~~~~~~~
compilation terminated.

/tmp/ccgWnKiQ.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