Submission #40040

#	Time	Username	Problem	Language	Result	Execution time	Memory
40040		alenam0161	Saveit (IOI10_saveit)	C++14	50 / 100	376 ms	13568 KiB

encoder

#include "grader.h"
#include "encoder.h"
#include <vector>
#include <queue>
#include <iostream>
#include <cstring>
using namespace std;
void go(int x) {
	for (int i = 0; i < 10; ++i) {
		if (x&(1 << i))encode_bit(1);
		else encode_bit(0);
	}
}
bool used[1007];
int ans[1007];
vector<int> g[1007];
void encode(int nv, int nh, int ne, int *v1, int *v2) {
	for (int i = 0; i < ne; ++i) {
		g[v1[i]].push_back(v2[i]); g[v2[i]].push_back(v1[i]);
	}
	for (int i = 0; i < nh; ++i) {
		queue<int> q;
		memset(used, 0, sizeof(used));
		memset(ans, 0, sizeof(ans));
		used[i] = true;
		ans[i] = 0;
		q.push(i);
		while (!q.empty()) {
			int v = q.front(); q.pop();
			for (int to : g[v]) {
				if (used[to])continue;
				used[to] = true;
				ans[to] = ans[v] + 1;
				q.push(to);
			}
		}
		for (int j = 0; j < nv; ++j) {
			go(ans[j]);
		}
	}
	return;
}

decoder

#include "grader.h"
#include "decoder.h"
int get() {
	int x = 0;
	for (int i = 0; i < 10; ++i) {
		if (decode_bit() == 1)x += (1 << i);
	}
	return x;
}
void decode(int nv, int nh) {
	for (int i = 0; i < nh; ++i) {
		for (int j = 0; j < nv; ++j) {
			int u = get();
			hops(i, j, u);
		}
	}
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25