제출 #1370298

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1370298		PieArmy	Two Transportations (JOI19_transportations)	C++20	컴파일 에러	0 ms	0 KiB

Azer

#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define fr first
#define sc second
#define endl '\n'
using namespace std;
#define mid ((left+right)>>1)
#include "Azer.h"

namespace
{
	int n;
	vector<pair<int,int>>komsu[2023];
	int vis[2023],dp[2023];

	int getworst(){
		int x=0;
		for(int i=0;i<n;i++){
			if(vis[i])x=max(x,dp[i]);
		}
		return x;
	}

	int getnext(){
		int x=-1;
		for(int i=0;i<n;i++){
			if(vis[i])continue;
			if(x==-1||dp[i]<dp[x]){
				x=i;
			}
		}
		return x;
	}

	void send(int x,int bit){
		for(int i=0;i<bit;i++){
			SendA((x>>i)&1);
		}
	}

	int costb=0,tar=0;
	int mod=0;
}

void InitA(int N,int A,vector<int>U,vector<int>V,vector<int>C){
	n=N;
	for(int i=0;i<n;i++){
		dp[i]=1e9;
		vis[i]=0;
		komsu[i].clear();
	}
	mod=costa=tar=0;
	for(int i=0;i<A;i++){
		komsu[U[i]].pb({V[i],C[i]});
		komsu[V[i]].pb({U[i],C[i]});
	}
	vis[0]=1;
	dp[0]=0;
	for(auto x:komsu[0]){
		dp[x.fr]=min(dp[x.fr],x.sc);
	}
	send(min(511,dp[getnext()]-getworst()),9);
}

void ReceiveA(bool X){
	int bit=X;
	if(mod<9)costb+=(bit<<mod);
	else tar+=(bit<<(mod-9));
	mod++;
	if(mod==9){
		if(min(511,dp[getnext()]-getworst())<=costb){
			tar=getnext();
			send(tar,11);
			vis[tar]=1;
			for(auto x:komsu[tar]){
				dp[x.fr]=min(dp[x.fr],dp[tar]+x.sc);
			}
			mod=0;
			costb=0;
			tar=0;
			int x=getnext();
			if(x!=-1)send(min(511,dp[x]-getworst()),9);
		}
	}
	else if(mod==20){
		dp[tar]=getworst()+costb;
		vis[tar]=1;
		for(auto x:komsu[tar]){
			dp[x.fr]=min(dp[x.fr],dp[tar]+x.sc);
		}
		mod=0;
		costb=0;
		tar=0;
		int x=getnext();
		if(x!=-1)send(min(511,dp[x]-getworst()),9);
	}
}

vector<int> Answer(){
	vector<int>ans(n);
	for(int i=0;i<n;i++){
		ans[i]=dp[i];
	}
	return ans;
}

Baijan

#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define fr first
#define sc second
#define endl '\n'
using namespace std;
#define mid ((left+right)>>1)
#include "Baijan.h"

namespace
{
	int n;
	vector<pair<int,int>>komsu[2023];
	int vis[2023],dp[2023];

	int getworst(){
		int x=0;
		for(int i=0;i<n;i++){
			if(vis[i])x=max(x,dp[i]);
		}
		return x;
	}

	int getnext(){
		int x=-1;
		for(int i=0;i<n;i++){
			if(vis[i])continue;
			if(x==-1||dp[i]<dp[x]){
				x=i;
			}
		}
		return x;
	}

	void send(int x,int bit){
		for(int i=0;i<bit;i++){
			SendB((x>>i)&1);
		}
	}

	int costa=0,tar=0;
	int mod=0;
}

void InitB(int N,int B,vector<int>S,vector<int>T,vector<int>D){
	n=N;
	for(int i=0;i<n;i++){
		dp[i]=1e9;
		vis[i]=0;
		komsu[i].clear();
	}
	mod=costa=tar=0;
	for(int i=0;i<B;i++){
		komsu[S[i]].pb({T[i],D[i]});
		komsu[T[i]].pb({S[i],D[i]});
	}
	vis[0]=1;
	dp[0]=0;
	for(auto x:komsu[0]){
		dp[x.fr]=min(dp[x.fr],x.sc);
	}
}

void ReceiveB(bool Y){
	int bit=Y;
	if(mod<9)costa+=(bit<<mod);
	else tar+=(bit<<(mod-9));
	mod++;
	if(mod==9){
		send(min(511,dp[getnext()]-getworst()),9);
		if(costa>min(511,dp[getnext()]-getworst())){
			tar=getnext();
			send(tar,11);
			vis[tar]=1;
			for(auto x:komsu[tar]){
				dp[x.fr]=min(dp[x.fr],dp[tar]+x.sc);
			}
			mod=0;
			costa=0;
			tar=0;
		}
	}
	else if(mod==20){
		dp[tar]=costa;
		vis[tar]=1;
		for(auto x:komsu[tar]){
			dp[x.fr]=min(dp[x.fr],dp[tar]+x.sc);
		}
		mod=0;
		tar=0;
		costa=0;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

# 1번째 컴파일 단계

Azer.cpp: In function 'void InitA(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
Azer.cpp:53:13: error: 'costa' was not declared in this scope
   53 |         mod=costa=tar=0;
      |             ^~~~~