제출 #587651

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
587651		LastRonin	Flights (JOI22_flights)	C++17	0 / 100	9 ms	1420 KiB

Ali

#include "Ali.h"
#include <string>
#include <vector>
#include <bits/stdc++.h>
#define ll long long
#define pb push_back

using namespace std;

const ll N = 1e4 + 10;    

namespace {
	vector<ll> g[N];
	ll dist[N] = {0};
	ll n;
	void dfs(ll v, ll p) {
		for(auto u : g[v]) {
			if(u != p) {
				dist[u] = dist[v] + 1;
				dfs(u, v);
			}
		}
	}
}

void Init(int N, std::vector<int> U, std::vector<int> V) {
	n = N;
	for(int j = 0; j < n; j++)
		g[j].clear();
	for(int j = 0; j < U.size(); j++) {
		g[U[j]].pb(V[j]);
		g[V[j]].pb(U[j]);
	}
	for(int i = 0; i < N; i++)
		SetID(i, i);
}

std::string SendA(std::string S) {
	ll v = 0, u = 0;
	for(int j = 0; j <= 13; j++) {
		if(S[j] == '1')
			v += (1<<j);		
	}
	if(v > n)assert(0);
	if(v < 0)assert(0);
	/*for(int j = 14; j < 20; j++) {
		if(S[j] == '1')
			u += (1<<(j - 14));
	}*/
	for(int i = 0; i < n; i++)
		dist[i] = 0;
	dfs(v, -1);
	string a;
	for(int j = 0; j < n; j++) {
		//if((j&u) == u) {
		for(int i = 0; i < 14; i++) {
			if((1ll<<i)&dist[j])a += "1";
			else a += "0";
		}
		//}
	}
	return a;
}

Benjamin

#include "Benjamin.h"
#include <string>
#include <vector>
#include <bits/stdc++.h>
#define ll long long
#define pb push_back

using namespace std;

namespace {
	int n, x, y;
}

std::string SendB(int N, int X, int Y) {
	x = X;
	y = Y;
	n = N;
	string a;
	for(int j = 0; j < 14; j++) {
		if((1<<j)&x)a += "1";
		else a += "0";
	}
	for(int j = 0; j < 6; j++)
		if((1<<j)&y) a += "1";		
		else a += "0";
	//if(a.size() == 20)exit(0);
	return a;
}

int Answer(std::string T) {
	int sub = ((1<<6) - 1)&y;
	int pos = 0;
	int answ = 0;			
	for(int j = 0; j < n; j++) {
//		if((j&sub) == sub) {
			if(j == y) {
				for(int i = pos; i < pos + 14; i++) {
					if(T[i] == '1')							
						answ += (1ll<<(i - pos));
			   	}
				return answ;
			} else {
				pos += 14;
			}
//		}
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Ali.cpp: In function 'void Init(int, std::vector<int>, std::vector<int>)':
Ali.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int j = 0; j < U.size(); j++) {
      |                 ~~^~~~~~~~~~
Ali.cpp: In function 'std::string SendA(std::string)':
Ali.cpp:39:12: warning: unused variable 'u' [-Wunused-variable]
   39 |  ll v = 0, u = 0;
      |            ^
grader_ali.cpp:10:8: warning: '{anonymous}::_randmem' defined but not used [-Wunused-variable]
   10 |   char _randmem[12379];
      |        ^~~~~~~~

Benjamin.cpp: In function 'int Answer(std::string)':
Benjamin.cpp:31:6: warning: unused variable 'sub' [-Wunused-variable]
   31 |  int sub = ((1<<6) - 1)&y;
      |      ^~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 85