Submission #161894

#	Time	Username	Problem	Language	Result	Execution time	Memory
161894		boolodifjenula	Rasvjeta (COCI17_rasvjeta)	Cpython 3	20 / 50	64 ms	3428 KiB

rasjveta

N=int(input())
M=int(input())
K=int(input())
O=[i+1 for i in range (N)]
for i in range(M):
    P=int(input())
    for i in range(P-K-1,P+K):
        if -1<i<len(O):
            O[i]=0
k=0
p=0
s=0
for i in range(N):
    if O[i]:
        k+=1
    elif k:
        p+=1
    if k and k+p==K+1:
        s+=1
        k=-K
        p=-K
    if i==N-1 and k:
        s+=1
print(s)

• Subtask 1: 20 / 50