c_cpp [HackerRank]预订Hackathon 2015

Posted 2021-05-14

n = input()

hotel_id = []
price = []
fac = []
for i in range(0,n):
	hotel_info = raw_input().split()

	hotel_id.append(int(hotel_info[0]))
	price.append(int(hotel_info[1]))

	hotel_fac = set(hotel_info[2:])
	fac.append(hotel_fac)

m = input()

for i in range(0,m):
	result = []
	request = raw_input().split()
	budget = int(request[0])

	list_fac = set(request[1:])

	for j in range(0, n):
		if budget >= price[j] and list_fac <= fac[j]:
			# create tuple
			new_cand = (len(fac[j]), price[j], hotel_id[j])
			result.append(new_cand)

	#print result
	sorted_result = sorted(result, key = lambda x: (-x[0], x[1], x[2]))

	output = [x[2] for x in sorted_result]
	print ' '.join(str(item) for item in output)

min_tag = int(raw_input())

tag_list = []
city_name_list = []

n = 0
while 1:
	try:
		info = raw_input()
	except EOFError:
		break
	
	info = info.split(":")
	n += 1;

	#print "INPUT = ", info
	city_name = info[0]
	city_name_list.append(info[0])

	city_tag = info[1].split(",")
	tag_list.append(set(city_tag))

	#print city_name, city_tag

#print city_name_list
#print tag_list

cand_mem = []
cand_tag = []

for i in range(n):
	# go through each city
	# try adding city to candidate tag_list
	new_list_mem = []
	new_list_tag = []

	for j in range(len(cand_mem)):
		# get common tag between candidate and new city
		old_tag_set = cand_tag[j].copy()
		new_tag_set = tag_list[i].copy()

		# if list is the same, add member
		# else, create new entry
		common_tag_set = old_tag_set.intersection(new_tag_set)
		if len(common_tag_set) >= min_tag:
			if len(common_tag_set) == len(old_tag_set):
				cand_mem[j].append(city_name_list[i])
			else:
				new_mem_list = cand_mem[j][:]
				new_mem_list.append(city_name_list[i])

				new_list_mem.append(new_mem_list)
				new_list_tag.append(common_tag_set)
				#cand_mem.append(new_mem_list)
				#cand_tag.append(common_tag_set)

	cand_mem.extend(new_list_mem)
	cand_tag.extend(new_list_tag)

	# add itself to the candidate list
	new_list = [city_name_list[i]]
	new_tag = tag_list[i].copy()
	#print "NEW", new_list, new_tag
	if len(new_tag) >= min_tag:
		cand_mem.append(new_list)
		cand_tag.append(new_tag)

	#for i in range(len(cand_mem)):
		#print cand_mem[i], cand_tag[i]
	#print '--------------------------------'


#for i in range(len(cand_mem)):
#	print "CANDIDATE:", cand_mem[i], cand_tag[i]

my_dict = {}

for i in range(len(cand_mem)):

	if len(cand_mem[i]) == 1:
		continue

	cand_mem[i] = list(set(cand_mem[i]))
	cand_mem[i].sort()
	#correct_key = ','.join([item for item in cand_mem[i]])

	mem_frozen = frozenset(list(cand_tag[i]))
	if mem_frozen in my_dict:
		if len(cand_mem[i]) > len(my_dict[mem_frozen]):
			my_dict[mem_frozen] = cand_mem[i]
	else:
		my_dict[mem_frozen] = cand_mem[i]

result = []

for key, value in my_dict.iteritems():
	correct_key = list(key)
	correct_key.sort()
	correct_part = ','.join([item for item in correct_key])

	correct_value = ','.join([item for item in value])
	# merge
	# (key:correct_part, len(tag))

	result.append((len(correct_key), ':'.join([correct_value, correct_part])))


sorted_result = sorted(result, key = lambda x: (-x[0], x[1]))

for item in sorted_result:
	print item[1]

#include <iostream>
#include <string>
#include <sstream>
#include <stdio.h>
#include <vector>
#include <deque>
#include <algorithm>
#include <list>
#include <map>
#include <set>
#include <fstream>
#include <cstring>
#include <iomanip>
#include <math.h>
#include <cmath>
#include <queue>
#include <stack>

#define PB push_back
#define MP make_pair
#define rep(i,a,b) for (int i = a; i <= b; i++)

#pragma comment(linker, "/STACK:16777216")

typedef long long int64;
typedef unsigned long long uint64;

using namespace std;

double PI = 3.14159265359;

double torad(double x)
{
	return x * PI / 180.0;
}

double distance_between(double lat1, double long1, double lat2, double long2) {
    double EARTH_RADIUS = 6371.0;//in km
    double point1_lat_in_radians  = torad(lat1);
    double point2_lat_in_radians  = torad(lat2);
    double point1_long_in_radians  = torad(long1);
    double point2_long_in_radians  = torad(long2);

    double dist = acos( sin( point1_lat_in_radians ) * sin( point2_lat_in_radians ) +
                 cos( point1_lat_in_radians ) * cos( point2_lat_in_radians ) *
                 cos( point2_long_in_radians - point1_long_in_radians) ) * EARTH_RADIUS;

    return round(dist * 100.0) / 100.0;
}

int id[201];
double a_lat[201], a_long[201];

int main()
{
   	//freopen("input.txt","r",stdin);
	//freopen("output.txt","w",stdout);

	int n, m;

	cin>>n;
	for (int i = 0; i < n; i++) cin>>id[i]>>a_lat[i]>>a_long[i];

	cin>>m;
	while (m--)
	{
		double s_lat, s_long;
		string method;
		int minute;

		cin>>s_lat>>s_long>>method>>minute;

		double time_limit = (double)minute / 60.0;
		double velo;

		if (method == "foot") velo = 5.0;
		if (method == "bike") velo = 15.0;
		if (method == "metro") velo = 20.0;

		vector< pair<double, int> > result;

		for (int i = 0; i < n; i++)
		{
			double cur_dist = distance_between(a_lat[i], a_long[i], s_lat, s_long);
			double time_taken = cur_dist / velo;

			if (time_limit - time_taken >= 0) result.PB(MP(cur_dist, id[i]));
		}

		sort(result.begin(), result.end());

		for (int i = 0; i < result.size(); i++) cout<<result[i].second<<" ";
		cout<<endl;
	}
	return 0;
}

n = int(raw_input())
input_pattern = []

for i in range(n):
    ss = raw_input()
    input_pattern.append((ss, ss.lower()))

input_string = raw_input().lower()

result = []
# loop thru each pattern
for item in input_pattern:
	#print item[0], item[1]
	if item[1] in input_string:
		result.append(item[0])
result.sort()

#print result
for item in result:
	print item

#include <iostream>
#include <string>
#include <sstream>
#include <stdio.h>
#include <vector>
#include <deque>
#include <algorithm>
#include <list>
#include <map>
#include <set>
#include <fstream>
#include <cstring>
#include <iomanip>
#include <math.h>
#include <cmath>
#include <queue>
#include <stack>

#define PB push_back
#define MP make_pair
#define rep(i,a,b) for (int i = a; i <= b; i++)

#pragma comment(linker, "/STACK:16777216")

typedef long long int64;
typedef unsigned long long uint64;

using namespace std;

double s[10][10005];

pair< int, double> info[10][105];
int sz[10];

int main()
{
   	//freopen("input.txt","r",stdin);
	//freopen("output.txt","w",stdout);

	memset(sz, 0, sizeof(sz));

	int n, budget;
	cin>>n>>budget;

	for (int i = 0; i < n; i++)
		for (int j = 0; j < budget; j++) s[i][j] = 0.0;

	for (int i = 0; i < n; i++)
	{
		cin>>sz[i];

		for (int j = 0; j < sz[i]; j++)
		{
			int price; double score;
			cin>>price>>score;
			info[i][j] = MP(price, score);
		}
	}

	// begin processing
	set<int> set_of_price;

	// get initial value
	for (int i = 0; i < sz[0]; i++)
	{
		int price = info[0][i].first;
		double score = info[0][i].second;

		if (price <= budget)
		{
			s[0][price] = max(s[0][price], score);
			set_of_price.insert(price);
		}
	}

	for (int i = 1; i < n; i++)
	{
		// each CITY
		set<int> new_set_of_price;
		new_set_of_price.clear();

		for (int j = 0; j < sz[i]; j++)
		{
			int price = info[i][j].first;
			double score = info[i][j].second;

			// for each item, PICK that item and see if its optimal
			set<int>::iterator it;
			for (it = set_of_price.begin(); it != set_of_price.end(); it++)
			{
				int base_price = *it;

				int new_price = base_price + price;

				if (new_price <= budget)
				{
					new_set_of_price.insert(new_price);
					s[i][new_price] = max(s[i][new_price], s[i-1][base_price] + score);
				}
			}
		}

		set_of_price = new_set_of_price;
	}

	double max_score = -1.0;

	set<int>::iterator it;
	for (it = set_of_price.begin(); it != set_of_price.end(); it++)
	{
		max_score = max(max_score, s[n - 1][*it]);
	}

	if (max_score == -1.0) printf("-1\n");
	else printf("%.2f\n", max_score);

	return 0;
}