# https://c...content-available-to-author-only...s.com/problemset/problem/106/B
##
##
##   5 (numarul de laptop-uri)
##
#laptop 1: 2100 512 150 200
#       2: 2000 2048 240 350
#       3: 2300 1024 200 320
#       4: 2500 2048 80 300
#       5: 2000 512 180 150
##
class laptop:
    def __init__(self,speed, ram, hdd, cost):
        self.speed = speed
        self.ram = ram
        self.hdd = hdd
        self.cost = cost
 
def solve_problem_laptop():
    #citim numarul N de laptopuri din Input Standard
    n = int(input())
    #declaram un vector sau un array de laptop-uri, unde laptop este o clasa
    vec = [ laptop ] * n
    #print( vec )
    for i in range( n ):
        #read speed, ram, hardisk, cost
        s, r, h, c = map(int, input().split())
 
        #adaugam un vector fiecare instanta a clasei laptop
        vec[ i ] = laptop( s, r, h, c )
 
    #print(vec)
    com = [ 0 ] * n
 
    #n = numarul de laptopuri
    for i in range( n ):
        for j in range( n ):
            if i != j:
                if vec[i].speed < vec[j].speed and vec[i].ram < vec[j].ram and vec[i].hdd < vec[j].hdd:
                      com[ i ] = 1
                      break
    #print(com)
    maximum = int(1e12)
    idx = -1
    for i in range(n):
        if com[i] == 0:
            if maximum > vec[i].cost:
                idx = i + 1
                maximum = vec[i].cost
    print(idx)
solve_problem_laptop()

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

NQoyMTAwIDUxMiAxNTAgMjAwCjIwMDAgMjA0OCAyNDAgMzUwCjIzMDAgMTAyNCAyMDAgMzIwCjI1MDAgMjA0OCA4MCAzMDAKMjAwMCA1MTIgMTgwIDE1MA==

5
2100 512 150 200
2000 2048 240 350
2300 1024 200 320
2500 2048 80 300
2000 512 180 150