Submission #1221491

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221491		salmon	Two Transportations (JOI19_transportations)	C++20	0 / 100	2 ms	1052 KiB

Azer

#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

int N;
bool used[2100];
int d[2100];
int cont = 0;
int big = 0;
int it = 0;
int v = 0;
int inf = 1e9;
vector<pair<int,int>> adjlst[2100];

void pack(int v, int n){
	for(int i = 0; i < n; i++){
		SendA((v&(1<<i))>0);
	}
}

}  // namespace

void InitA(int N, int A, std::vector<int> U, std::vector<int> V,
           std::vector<int> C) {
	::N = N;

	for(int i = 0; i < A; i++){
		adjlst[U[i]].push_back({V[i],C[i]});
		adjlst[V[i]].push_back({U[i],C[i]});
	}

	for(int i = 0; i < N; i++){
		used[i] = false;
		d[i] = inf;
	}
  
	used[0] = true;
	d[0] = 0;
	
	pair<int,int> ii = {inf,-1};
	for(int i = 0; i < N; i++) if(!used[i]) ii = min(ii,{d[i],i});
	
	bool tell = true;
	if(cont != 0 && ii.first > v + big){
		ii = {v + big, it};
		tell = false;
	}
		
	d[ii.second] = ii.first;
	int package = ii.first - big;
	big = ii.first;
	
	int g = ii.second;
	for(pair<int,int> ii1 : adjlst[g]){
		d[ii1.first] = min(d[ii1.first],d[g] + ii1.second);
	}
	
	used[g] = true;
	
	
	int num = big + 501;
	for(int i = 0; i < N; i++) if(!used[i]) num = min(num,d[i]);
	
	for(int i = 0; i < 9; i++){
		SendA((num&(1<<i))>0);
	}
	
	if(tell){
		for(int i = 0; i < 11; i++){
			SendA((g&(1<<i))>0);
		}
		
		for(int i = 0; i < 9; i++){
			SendA((package&(1<<i))>0);
		}
	}
}

void ReceiveA(bool x) {
	if(cont == 0) if(!x) cont = 20;
	if(cont < 12) if(x) it += (1<<(cont-1));
	else if(x) v += (1<<(x-12));
	
	if(cont == 20){
		pair<int,int> ii = {inf,-1};
		for(int i = 0; i < N; i++){
			if(!used[i]) ii = min(ii,{d[i],i});
		}
		
		bool tell = true;
		if(cont != 0 && ii.first > v + big){
			ii = {v + big, it};
			tell = false;
		}
		
		d[ii.second] = ii.first;
		big = ii.first;
		
		int g = ii.second;
		for(pair<int,int> ii : adjlst[g]){
			d[ii.first] = min(d[ii.first],d[g] + ii.second);
		}
		
		used[g] = true;
		
		
		int num = big + 501;
		for(int i = 0; i < N; i++) if(!used[i]) num = min(num,d[i]);
		
		pack(num - big,9);
		
		if(tell){
			pack(g,11);
		}
		
		cont = 0;
		it = 0;
		v = 0;
		return;
	}
	++cont;
}

std::vector<int> Answer() {
  std::vector<int> ans(N);
  for (int k = 0; k < N; ++k) {
    ans[k] = d[k];
  }
  return ans;
}

Baijan

#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;

namespace {

int N;
bool used[2100];
int d[2100];
int cont = 0;
int big = 0;
int it = 0;
int v = 0;
int inf = 1e9;
vector<pair<int,int>> adjlst[2100];
bool pastuse;
int pastv;

void pack(int v, int n){
	for(int i = 0; i < n; i++){
		SendB((v&(1<<i))>0);
	}
}



}  // namespace

void InitB(int N, int B, std::vector<int> S, std::vector<int> T,
           std::vector<int> D) {
	::N = N;
	cont = 0;
	
	for(int i = 0; i < N; i++){
		used[i] = false;
		d[i] = inf;
	}

	pastuse = false;
	pastv = 0;
}

void ReceiveB(bool y) {
	if(cont < 9) if(y) v += (1<<cont);
	if(cont < 20 && !pastuse) if(y) it += (1<<(cont-9));
	
	if((cont == 8 && pastuse) || cont == 19){
		if(!pastuse){
			d[it] = pastv + big;
			used[it] = true;
			big = pastv + big;
		}
		
		pair<int,int> ii = {inf,-1};
		for(int i = 0; i < N; i++){
			if(!used[i]) ii = min(ii,{d[i],i});
		}
		
		if(ii.first < v + big){
			pastuse = true;
			
			SendB(true);
			
			d[ii.second] = ii.first;
			used[ii.second] = true;
			
			pack(ii.second,11);
			pack(ii.first - big,9);
			
			big = ii.first;
		}
		else{
			pastuse = false;
			pastv = v;
			
			SendB(false);
		}
		
		cont = 0;
		it = 0;
		v = 0;
		return;
	}
	
	cont++;
}

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