Статья Автор: Комиссаров Всеволод

Задания перебор

#номер1
arr = []
n = 0
answer = 0
with open("input") as f:
	n = int(f.readline())
	for _ in range(n): arr.append(int(f.readline()))


for i in range(n):
for j in range(i + 1, n):
	p = arr[i] * arr[j]
	if p % (10 ** 6) == 0 and p % (10 ** 7) != 0:
		answer += 1
	print(answer)
print(answer)

#номер2
arr = []
n = 0
answer = 0
with open("/home/student/Загрузки/27-45792A.txt") as f:
	n = int(f.readline())
	for _ in range(n): arr.append(int(f.readline()))


for i in range(n):
	for j in range(i + 1, n):
	p = arr[i] * arr[j]
	if p % 2310 == 0 and (arr[i] + arr[j]) % (11) == 0:
		answer += 1
	print(answer)
print(answer)

#номер3
arr = []
n = 0
answer = 0
k = 0
with open("27-45782A (1).txt") as f:
    n, k = map(int, f.readline().split())
    for _ in range(n) : arr.append(int(f.readline()))


for i in range(n - 2 * k):
    s = 0
    s = sum(arr[i : i + k])
    for j in range(i + 2 * k, n):
        s1 = sum(arr[j - k + 1: j + 1])
        if (s + s1) % 68 == 0 and s + s1 > answer:
            answer = s + s1
            print(answer)
print(answer)

#номер 5
arr = []
n = 0
answer = 0
M = 0
with open("27-45786A.txt") as f:
    n, M = map(int, f.readline().split())
    for _ in range(n) : arr.append(int(f.readline()))

for i in range(n):
    now = 0
    have = M
    house = i
    while have >= 0 and house < n:
        have -= arr[house]
        now += 1
        house += 1
    #print(have, now, house)
    if now - 1 > answer:
        answer = now - 1
        print(answer)


print(answer)

#номер 6
m = 17
M = 7717

arr = []
n = 0
answer = 0

with open("27-45788A.txt") as f:
    n = int(f.readline())
    for _ in range(n) : arr.append(int(f.readline()))

for i in range(n-m*2):
    for j in range(i+m, n-m):
        for k in range(j+m, n):
            if (arr[i] + arr[j] + arr[k]) % M == 0:
                answer += 1
                print(answer)
            #print(arr[i], arr[j], arr[k])



print(answer)

#номер 8
arr = []
n = 0
answer = 0

with open("27A_6638.txt") as f:
    n = int(f.readline())
    for _ in range(n) : arr.append(tuple(map(int, f.readline().split())))

answer = arr[0][0]
answer_s = 0
for j in range(n):
    answer_s += (arr[j][0] - arr[0][0]) * arr[j][1]

for i in range(n):
    now_s = 0
    now_position = arr[i][0]
    for j in range(n):
        now_s += abs(arr[j][0] - arr[i][0]) * arr[j][1]
    if now_s < answer_s:
        answer = now_position
        answer_s = now_s
        print(answer, answer_s)
    #print(now_s, answer_s)
print(answer)

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