Submission #934085

#	Time	Username	Problem	Language	Result	Execution time	Memory
934085		sopaconk	City (JOI17_city)	C++17	Compilation error	0 ms	0 KiB

Encoder

#include "Encoder.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define deb(x) ;
using lli=long long int;
 

static lli aux=0;
void dfs(int n , int par, vector<vector<int>> &adj, vector<pair<lli,lli>> &range ){
	lli ini=aux;
	aux++;
	for(int x: adj[n]){
		if(x==par) continue;
		dfs(x, n, adj, range);

	}
	lli fin=aux;
	range[n]={ini, fin};
}


void Encode(int N, int A[], int B[])
{
	
	vector<vector<int>> adj (N);
	for(int i=0; i<N-1; ++i){
		adj[A[i]].pb(B[i]);
		adj[B[i]].pb(A[i]);
	}
	vector<pair<lli,lli>> range (N);
	dfs(0,-1,adj, range);



	for (int i = 0; i < N; ++i) {
		lli ini=range[i].first;
		lli fin=range[i].second;
		lli dif=fin-ini;
		dif/=2;
		Code(i, ini*250000+dif);
	}
}

Device

#include <stdio.h>
#include <stdlib.h>

#define NMAX 250000
#define QMAX 250000
#define CODEMAX ((1LL << 60LL) - 1)

void Encode(int N, int A[], int B[]);
void InitDevice();
int Answer(long long S, long long T);

static int N, Q, A[NMAX], B[NMAX], X[QMAX], Y[QMAX], expected[QMAX];
static long long given_code[NMAX];
static int ans[QMAX];

void WrongAnswer(int e)
{
	printf("Wrong Answer[%d]\n", e);
	exit(1);
}

void Code(int city, long long code)
{
	if (!(0 <= city && city <= N - 1)) {
		WrongAnswer(1);
	}
	if (given_code[city] != -1) {
		WrongAnswer(2);
	}
	if (!(0 <= code && code <= CODEMAX)) {
		WrongAnswer(3);
	}
	given_code[city] = code;
}

int main(void)
{
	int i;
	long long max_code;

	scanf("%d%d", &N, &Q);
	for (i = 0; i < N - 1; ++i) {
		scanf("%d%d", &(A[i]), &(B[i]));
	}
	for (i = 0; i < Q; ++i) {
		scanf("%d%d%d", &(X[i]), &(Y[i]), &(expected[i]));
	}
	for (i = 0; i < N; ++i) given_code[i] = -1;

	Encode(N, A, B);

	for (i = 0; i < N; ++i) {
		if (given_code[i] == -1) {
			WrongAnswer(4);
		}
	}

	InitDevice();
	for (i = 0; i < Q; ++i) {
		ans[i] = Answer(given_code[X[i]], given_code[Y[i]]);
		if (!(0 <= ans[i] && ans[i] <= 2)) {
			WrongAnswer(5);
		}
		if (ans[i] != expected[i]) {
			WrongAnswer(6);
		}
	}

	max_code = 0;
	for (i = 0; i < N; ++i) {
		if (max_code < given_code[i]) {
			max_code = given_code[i];
		}
	}

	printf("Accepted : max_code=%lld\n", max_code);
	return 0;
}

Compilation message (stderr)

Device.cpp: In function 'int main()':
Device.cpp:41:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |  scanf("%d%d", &N, &Q);
      |  ~~~~~^~~~~~~~~~~~~~~~
Device.cpp:43:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |   scanf("%d%d", &(A[i]), &(B[i]));
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Device.cpp:46:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |   scanf("%d%d%d", &(X[i]), &(Y[i]), &(expected[i]));
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `WrongAnswer(int)':
grader_device.cpp:(.text+0x0): multiple definition of `WrongAnswer(int)'; /tmp/ccM8C55I.o:Device.cpp:(.text+0x0): first defined here
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `Code(int, long long)':
grader_device.cpp:(.text+0x60): multiple definition of `Code(int, long long)'; /tmp/ccM8C55I.o:Device.cpp:(.text+0x30): first defined here
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `main':
grader_device.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccM8C55I.o:Device.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccM8C55I.o: in function `main':
Device.cpp:(.text.startup+0x103): undefined reference to `Encode(int, int*, int*)'
/usr/bin/ld: Device.cpp:(.text.startup+0x13c): undefined reference to `InitDevice()'
/usr/bin/ld: Device.cpp:(.text.startup+0x182): undefined reference to `Answer(long long, long long)'
/usr/bin/ld: /tmp/ccyJAD4L.o: in function `main':
grader_device.cpp:(.text.startup+0xf8): undefined reference to `InitDevice()'
/usr/bin/ld: grader_device.cpp:(.text.startup+0x19b): undefined reference to `Answer(long long, long long)'
collect2: error: ld returned 1 exit status