Submission #476467

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
476467	2021-09-27T09:30:46 Z	AdamGS	Saveit (IOI10_saveit)	C++14	Compilation error	0 ms	0 KB

encoder

#include "grader.h"
#include "encoder.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
void encode(int n, int h, int m, vector<int>a, vector<int>b) {
	vector<pair<int,int>>V[n];
	int uzyte[m], odl[n];
	rep(i, m) {
		uzyte[i]=0;
		V[a[i]].pb({b[i], i});
		V[b[i]].pb({a[i], i});
	}
	rep(i, h) {
		rep(j, n) odl[j]=1000000007;
		queue<int>q;
		q.push(i);
		odl[i]=0;
		while(!q.empty()) {
			int p=q.front(); q.pop();
			for(auto j : V[p]) if(odl[j.st]>odl[p]+1) {
				odl[j.st]=odl[p]+1;
				q.push(j.st);
				uzyte[j.nd]=1;
			}
		}
	}
	vector<int>T[n];
	rep(i, m) if(uzyte[i]) {
		T[a[i]].pb(b[i]);
		T[b[i]].pb(a[i]);
	}
	rep(i, h) rep(j, 10) encode_bit(i&(1<<j));
	rep(i, n) {
		rep(j, 10) encode_bit(T[i].size()&(1<<j));
		for(auto j : T[i]) {
			rep(l, 10) encode_bit(j&(1<<l));
		}
	}
}

decoder

#include "grader.h"
#include "decoder.h"
#include<bits/stdc++.h>
using namespace std;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
void decode(int n, int h) {
	vector<int>V[n];
	rep(i, n) {
		int a=0;
		rep(j, 10) a+=decode_bit()*(1<<j);
		rep(j, a) {
			int x=0;
			rep(l, 10) x+=decode_bit()*(1<<l);
			V[i].pb(x);
		}
	}
	rep(i, h) {
		int odl[n];
		rep(j, n) odl[j]=1000000007;
		queue<int>q;
		q.push(i);
		odl[i]=0;
		while(!q.empty()) {
			int p=q.front(); q.pop();
			for(auto j : V[p]) if(odl[j]>odl[p]+1) {
				odl[j]=odl[p]+1;
				q.push(j);
			}
		}
		rep(j, n) hops(i, j, odl[j]);
	}
}

Compilation message

/usr/bin/ld: /tmp/cc8TbX66.o: in function `main':
grader_encoder.c:(.text.startup+0x122): undefined reference to `encode(int, int, int, int*, int*)'
collect2: error: ld returned 1 exit status