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  1. Prepare
  2. Python
  3. Sets
  4. Set Mutations
  5. Discussions

Set Mutations

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845 Discussions

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  • dilajevolves
     + 0 comments
    _,A,N = int(input()),set(map(int,input().split())),int(input())
operations = {
    "update" : A.update,
    "intersection_update" : A.intersection_update,
    "difference_update" : A.difference_update,
    "symmetric_difference_update" : A.symmetric_difference_update
}
for _ in range(N):
    opr = input().split()[0]
    B = set(map(int,input().split()))
    operations[opr]
print(sum(A))

  • bayashat
     + 0 comments
    A = int(input())
set_A = set(input().split())

N = int(input())

def upd(origin_set: set, new_set: set):
    origin_set.update(new_set)

def diff_upd(origin_set: set, new_set: set):
    origin_set.difference_update(new_set)

def inters_upd(origin_set: set, new_set: set):
    origin_set.intersection_update(new_set)

def sym_diff_upd_set(origin_set: set, new_set: set):
    origin_set.symmetric_difference_update(new_set)

OPERATIONS= {
    "update": upd,
    "difference_update": diff_upd,
    "intersection_update": inters_upd,
    "symmetric_difference_update": sym_diff_upd_set
}

for i in range(N):
    opr_name, num = input().split()
    new_set = set(input().split())
    
    func: callable = OPERATIONS[opr_name]
    func(set_A, new_set)

print(sum([int(num) for num in set_A]))

  • rohitambasta_ii1
     + 0 comments
    n= int(input())
A= set(map(int, input().split()))
N= int(input())
for i in range(N):
    operation, no_of_elements = input().split()
    other_set= set(map(int, input().split()))
    getattr(A,operation)(other_set) # This has now modified set A
print(sum(A))

  • msh_123
     + 0 comments

    set_1 = set(map(int,input().split())) b = int(input()) for i in range(b): cmd = list(input().split()) operation = cmd[0] set_2 = set(map(int, input().split())) getattr(set_1, operation)(set_2) print(sum(set_1))

  • parthkamath343
     + 0 comments

    A=int(input()) L1=set(map(int,input().split())) N=int(input()) for _ in range(N): S=input().split() L2 = set(map(int, input().split())) if S[0]=="intersection_update": L1.intersection_update(L2) elif S[0]=="update": L1.update(L2) elif S[0]=="symmetric_difference_update": L1.symmetric_difference_update(L2) elif S[0]=="difference_update": L1.difference_update(L2) print(sum(L1))