print('x y z w')
for x in range(2):
for y in range(2):
for z in range(2):
for w in range(2):
if ((not(y<=(x==w)) and (z<=x))):
print(x, y, z, w)
x y z w
0 1 0 1
1 1 0 0
1 1 1 0
bin(78)
int('10011',2)
for i in range(1,100):
n=str(bin(i))[2:]
if n.count('1')%2==0:
n+='0'
else:
n+='1'
if n.count('1')%2==0:
n+='0'
else:
n+='1'
if int(n,2)>77:
print(i, n)
break
19 1001110
for i in range(1,1000):
s=i
s=s//10
n=1
while s<51:
s+=5
n=n*2
if n==64:
print(i)
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
letters='елмру'
s=[]
for a in letters:
for b in letters:
for c in letters:
for d in letters:
s.append(a+b+c+d)
print(s.index('леее')+1)
126
s=70*'8'
while '2222' in s or '8888' in s:
if '2222' in s:
s=s.replace('2222','88',1)
else:
s=s.replace('8888','22',1)
print(s)
22
x=3*4**38+2*4**23+4**20+3*4**5+2*4**4+1
k=0
while x>0:
if x%16==0:
k+=1
x//=16
print(k)
15
def f(x,a1,a2):
return(17<=x<=58) <= ((not(29<=x<=80) and not(a1<=x<=a2)) <= (not(17<=x<=58)))
s=[]
for a1 in range(-100,100):
for a2 in range(-100,100):
flag=True
for x in range (-100,100):
if not(f(x,a1,a2)):
flag=False
break
if flag:
s.append(a2-a1)
print(min(s))
11
def f(n):
if n==1:
return 1
else:
if n%2==0:
return n+f(n-1)
else:
return 2*f(n-2)
print(f(26))
with open('17.txt') as f:
numbers=[int(x) for x in f]
print(numbers)
s=[]
for i in range(1,len(numbers)):
if numbers[i]%3==0 or numbers[i-1]%3==0:
s.append(numbers[i]+numbers[i-1])
print(len(s), max(s))
for i in range(1,100):
x=i
Q=9
L=0
while x>=Q:
L+=1
x=x-Q
M=x
if M<L:
M=L
L=x
if L==4 and M==5:
print(i)
41
49
def f(a,b):
if a>b:
return 0
elif a==b:
return 1
else:
return f(a+1,b) +f(a*2,b)
print(f(1,10)*f(10,20))
28
with open('24.txt') as f:
s=f.readline()
count,maximum=1,0
for i in range(1,len(s)):
if s[i]==s[i-1]=='P':
count=1
else:
count+=1
maximum=max(maximum,count)
print(maximum)
for i in range(700001,730000):
divs=set()
for d in range(2),round(i**0.5):
if i%d:
divs.add(d)
divs.add(i//d)
if len(divs)>0:
m=max(divs)+min(divs)
if m%10==8:
print(i,m)
with open('26.txt') as f:
data=f.readlines()
s,n=map(int,data[0].split)
del data[0]
data=sorted(map(int,data))
answer=[]
for i in data:
if sum(answer)+i>s:break
answer.append(i)
print(sum(answer),data.index(i))
spisok=[x for x in data if x-i<=s-sum(answer)]
print(max(spisok))
with open('27_A.txt') as f:
n=int(f.readline)
s=[int(f.readline()) for i in range(n)]
maximum,len_min=0,1000
for i in range(n):
summa=0
for j in range(i+1,n):
summa+=s[j]
if summa%43==0:
if summa>maximum or ((summa==maximum) and (j-i<len_min)):
maximum=summa
len_min=j-i
print(len_min)
with open('27_B.txt') as f:
n=int(f.readline())
min_sum=43*[10000000000000000]
min_len=43*[0]
summa,maxsum,minLength,ms,ln=0,0,0,0,0
for i in range(n):
summa+=int(f.readline())
d=summa%43
if d==0:
maxsum=summa
minLength=i
else:
ms=summa-min_sum[d]
ln=i-min_len[d]
if ms>maxsum or(ms==maxsum and ln<minLength):
maxsum=ms
minLength=ln
if summa<min_sum[d]:
min_sum[d]=summa
min_len[d]=i
print(minLength)