Submission #135525

#	Time	Username	Problem	Language	Result	Execution time	Memory
135525		E869120	Two Transportations (JOI19_transportations)	C++14	38 / 100	1934 ms	60928 KiB

Azer

#include "Azer.h"
#include <vector>
#include <algorithm>
#include <functional>
#include <queue>
#include <map>
using namespace std;

int NA, distA[2009];
vector<pair<int, int>> XA[2009];
map<pair<int, int>, int> ForcedA;

void pushesA(int pos, int val) {
	// 最初の 11 ビットは頂点、次の 20 ビットはコスト
	for (int i = 0; i < 11; i++) SendA((bool)((pos / (1 << i)) % 2));
	for (int i = 0; i < 20; i++) SendA((bool)((val / (1 << i)) % 2));
}

void InitA(int N, int A, std::vector<int> U, std::vector<int> V, std::vector<int> C) {
	NA = N;
	for (int i = 0; i < U.size(); i++) {
		XA[U[i]].push_back(make_pair(V[i], C[i]));
		XA[V[i]].push_back(make_pair(U[i], C[i]));
	}
	for (int i = 0; i < N; i++) distA[i] = (1 << 20) - 1;
	distA[0] = 0; ForcedA[make_pair(0, 0)] = 1;
	pushesA(0, 0);
	for (int i = 0; i < XA[0].size(); i++) distA[XA[0][i].first] = XA[0][i].second;
}

int countA = 0, VA = 0, LA = 0;

void ReceiveA(bool x) {
	if (countA < 31) {
		if (x == true) VA += (1 << countA);
		countA++;
	}
	if (countA == 31) {
		int pos = (VA & 2047), val = (VA >> 11);
		if (pos != 2047) {
			if (distA[pos] > val) {
				distA[pos] = val; if (val != 1048575) ForcedA[make_pair(distA[pos], pos)] = 1;
				for (int i = 0; i < XA[pos].size(); i++) {
					int to = XA[pos][i].first, cost = XA[pos][i].second;
					if (distA[to] > distA[pos] + cost) {
						distA[to] = distA[pos] + cost;
					}
				}
			}
		}

		pair<int, int> minid = make_pair(1 << 30, -1);
		for (int i = 0; i < NA; i++) {
			if (ForcedA[make_pair(distA[i], i)] == 0) minid = min(minid, make_pair(distA[i], i));
		}

		if (minid.second != -1) {
			pushesA(minid.second, minid.first); if (minid.first != 1048575) ForcedA[minid] = 1;

			for (int i = 0; i < XA[minid.second].size(); i++) {
				int to = XA[minid.second][i].first, cost = XA[minid.second][i].second;
				if (distA[to] > minid.first + cost) {
					distA[to] = minid.first + cost;
				}
			}
		}
		else if (pos != 2047) {
			pushesA(2047, 1048575);
		}
	}
	if (countA == 31) { countA = 0; VA = 0; }
}

vector<int> Answer() {
	vector<int>E;
	for (int i = 0; i < NA; i++) E.push_back(distA[i]);
	return E;
}

Baijan

#include "Baijan.h"
#include <vector>
#include <queue>
#include <functional>
#include <algorithm>
#include <map>
using namespace std;

int NB, distB[2009];
vector<pair<int, int>> XB[2009];
map<pair<int, int>, int> ForcedB;
bool usedB[2009];

void pushesB(int pos, int val) {
	// 最初の 11 ビットは頂点、次の 20 ビットはコスト
	for (int i = 0; i < 11; i++) SendB((bool)((pos / (1 << i)) % 2));
	for (int i = 0; i < 20; i++) SendB((bool)((val / (1 << i)) % 2));
}

void InitB(int N, int B, vector<int> S, vector<int> T, vector<int> D) {
	NB = N;
	for (int i = 0; i < S.size(); i++) {
		XB[S[i]].push_back(make_pair(T[i], D[i]));
		XB[T[i]].push_back(make_pair(S[i], D[i]));
	}
	for (int i = 0; i < N; i++) distB[i] = (1 << 20) - 1;
	distB[0] = 0;
	for (int i = 0; i < XB[0].size(); i++) distB[XB[0][i].first] = XB[0][i].second;
	ForcedB[make_pair(0, 0)] = 1;
}

int countB = 0, VB = 0;

void ReceiveB(bool y) {
	if (countB < 31) {
		if (y == true) VB += (1 << countB);
		countB++;
	}
	if (countB == 31) {
		int pos = (VB & 2047), val = (VB >> 11);
		if (pos != 2047) {
			if (distB[pos] > val) {
				distB[pos] = val; if (val != 1048575) ForcedB[make_pair(distB[pos], pos)] = 1;
				for (int i = 0; i < XB[pos].size(); i++) {
					int to = XB[pos][i].first, cost = XB[pos][i].second;
					if (distB[to] > distB[pos] + cost) {
						distB[to] = distB[pos] + cost;
					}
				}
			}
		}

		pair<int, int> minid = make_pair(1 << 30, -1);
		for (int i = 0; i < NB; i++) {
			if (ForcedB[make_pair(distB[i], i)] == 0) minid = min(minid, make_pair(distB[i], i));
		}

		if (minid.second != -1) {
			pushesB(minid.second, minid.first); if (minid.first != 1048575) ForcedB[minid] = 1;

			for (int i = 0; i < XB[minid.second].size(); i++) {
				int to = XB[minid.second][i].first, cost = XB[minid.second][i].second;
				if (distB[to] > minid.first + cost) {
					distB[to] = minid.first + cost;
				}
			}
		}
		else if (pos != 2047) {
			pushesB(2047, 1048575);
		}
	}
	if (countB == 31) { countB = 0; VB = 0; }
}

Compilation message (stderr)

Azer.cpp: In function 'void InitA(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
Azer.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < U.size(); i++) {
                  ~~^~~~~~~~~~
Azer.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < XA[0].size(); i++) distA[XA[0][i].first] = XA[0][i].second;
                  ~~^~~~~~~~~~~~~~
Azer.cpp: In function 'void ReceiveA(bool)':
Azer.cpp:43:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < XA[pos].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~
Azer.cpp:60:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0; i < XA[minid.second].size(); i++) {
                    ~~^~~~~~~~~~~~~~~~~~~~~~~~~

Baijan.cpp: In function 'void InitB(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
Baijan.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < S.size(); i++) {
                  ~~^~~~~~~~~~
Baijan.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < XB[0].size(); i++) distB[XB[0][i].first] = XB[0][i].second;
                  ~~^~~~~~~~~~~~~~
Baijan.cpp: In function 'void ReceiveB(bool)':
Baijan.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < XB[pos].size(); i++) {
                     ~~^~~~~~~~~~~~~~~~
Baijan.cpp:61:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int i = 0; i < XB[minid.second].size(); i++) {
                    ~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 38 / 38
• Subtask 5: 0 / 14
• Subtask 6: 0 / 10
• Subtask 7: 0 / 16