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Past exam of the computer science course of the University of Cambridge
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Paper 1
2026
102
1
Paper 1
6
a
1
1
Solution
a
b
1
1
Solution
b
c
1
1
Solution
c
2
Paper 1
6
a
2
1
Solution
a
b
2
1
Solution
b
c
2
1
Solution
c
3
Paper 1
14
a
3
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
3
8
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
iv
b
1
Solution
iv
4
Paper 1
12
a
4
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
4
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
5
Paper 1
12
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
e
5
1
Solution
e
f
5
1
Solution
f
6
Paper 1
14
a
6
1
Solution
a
b
6
1
Solution
b
c
6
1
Solution
c
d
6
1
Solution
d
e
6
1
Solution
e
f
6
1
Solution
f
g
6
1
Solution
g
7
Paper 1
8
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
d
7
1
Solution
d
8
Paper 1
4
a
8
1
Solution
a
b
8
1
Solution
b
9
Paper 1
8
a
9
1
Solution
a
b
9
1
Solution
b
c
9
1
Solution
c
d
9
1
Solution
d
10
Paper 1
8
a
10
1
Solution
a
b
10
1
Solution
b
c
10
1
Solution
c
d
10
1
Solution
d
Paper 2
2026
112
1
Paper 2
7
a
1
1
Solution
a
b
1
1
Solution
b
c
1
2
i
c
1
Solution
i
2
Paper 2
14
a
2
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
2
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
3
Paper 2
10
a
3
1
Solution
a
b
3
1
Solution
b
c
3
1
Solution
c
d
3
1
Solution
d
e
3
1
Solution
e
4
Paper 2
10
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
d
4
1
Solution
d
e
4
1
Solution
e
5
Paper 2
12
a
5
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
5
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
5
1
Solution
c
6
Paper 2
1
Solution
6
7
Paper 2
8
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
d
7
1
Solution
d
8
Paper 2
12
a
8
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
8
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
9
Paper 2
16
a
9
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
9
8
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
iv
b
1
Solution
iv
c
9
1
Solution
c
10
Paper 2
12
a
10
1
Solution
a
b
10
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
10
4
i
c
1
Solution
i
ii
c
1
Solution
ii
Paper 3
2026
108
1
Paper 3
12
a
1
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
1
4
i
b
1
Solution
i
ii
b
1
Solution
ii
2
Paper 3
10
a
2
1
Solution
a
b
2
1
Solution
b
c
2
1
Solution
c
d
2
1
Solution
d
e
2
1
Solution
e
3
Paper 3
6
a
3
1
Solution
a
b
3
1
Solution
b
c
3
1
Solution
c
4
Paper 3
6
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
5
Paper 3
8
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
6
Paper 3
16
1
6
1
Solution
1
2
6
1
Solution
2
3
6
1
Solution
3
4
6
1
Solution
4
a
6
1
Solution
a
b
6
1
Solution
b
c
6
1
Solution
c
d
6
1
Solution
d
7
Paper 3
14
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
d
7
1
Solution
d
e
7
1
Solution
e
f
7
1
Solution
f
g
7
1
Solution
g
8
Paper 3
12
a
8
1
Solution
a
b
8
1
Solution
b
c
8
1
Solution
c
d
8
1
Solution
d
e
8
1
Solution
e
f
8
1
Solution
f
9
Paper 3
15
a
9
1
Solution
a
b
9
1
Solution
b
c
9
6
i
c
1
Solution
i
ii
c
1
Solution
ii
iii
c
1
Solution
iii
d
9
1
Solution
d
e
9
1
Solution
e
Paper 4
2026
105
1
Paper 4
12
a
1
1
Solution
a
b
1
1
Solution
b
c
1
1
Solution
c
d
1
1
Solution
d
e
1
1
Solution
e
f
1
1
Solution
f
2
Paper 4
9
a
2
1
Solution
a
b
2
1
Solution
b
c
2
2
i
c
1
Solution
i
d
2
1
Solution
d
3
Paper 4
6
a
3
1
Solution
a
b
3
1
Solution
b
c
3
1
Solution
c
4
Paper 4
10
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
d
4
1
Solution
d
e
4
1
Solution
e
5
Paper 4
8
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
6
Paper 4
38
a
6
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
6
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
c
6
1
Solution
c
d
6
1
Solution
d
e
6
1
Solution
e
f
6
1
Solution
f
g
6
1
Solution
g
h
6
1
Solution
h
i
6
1
Solution
i
j
6
1
Solution
j
k
6
1
Solution
k
l
6
1
Solution
l
m
6
1
Solution
m
n
6
1
Solution
n
7
Paper 4
6
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
8
Paper 4
8
a
8
1
Solution
a
b
8
1
Solution
b
c
8
1
Solution
c
d
8
1
Solution
d
Paper 5
2026
99
1
Paper 5
8
a
1
1
Solution
a
b
1
1
Solution
b
c
1
1
Solution
c
d
1
1
Solution
d
2
Paper 5
16
a
2
1
Solution
a
b
2
1
Solution
b
c
2
4
i
c
1
Solution
i
ii
c
1
Solution
ii
d
2
6
i
d
1
Solution
i
ii
d
1
Solution
ii
iii
d
1
Solution
iii
3
Paper 5
13
a
3
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
3
1
Solution
b
c
3
1
Solution
c
d
3
1
Solution
d
4
Paper 5
10
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
d
4
1
Solution
d
e
4
1
Solution
e
5
Paper 5
10
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
e
5
1
Solution
e
6
Paper 5
9
a
6
1
Solution
a
b
6
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
6
1
Solution
c
7
Paper 5
10
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
d
7
1
Solution
d
e
7
1
Solution
e
8
Paper 5
15
a
8
1
Solution
a
b
8
1
Solution
b
c
8
1
Solution
c
d
8
8
i
d
1
Solution
i
ii
d
1
Solution
ii
iii
d
1
Solution
iii
iv
d
1
Solution
iv
Paper 6
2026
94
1
Paper 6
10
a
1
1
Solution
a
b
1
1
Solution
b
c
1
1
Solution
c
d
1
1
Solution
d
e
1
1
Solution
e
2
Paper 6
8
a
2
1
Solution
a
b
2
1
Solution
b
c
2
1
Solution
c
d
2
1
Solution
d
3
Paper 6
10
a
3
1
Solution
a
b
3
1
Solution
b
c
3
1
Solution
c
d
3
1
Solution
d
e
3
1
Solution
e
4
Paper 6
12
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
d
4
1
Solution
d
e
4
1
Solution
e
f
4
1
Solution
f
5
Paper 6
10
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
e
5
1
Solution
e
6
Paper 6
8
a
6
1
Solution
a
b
6
1
Solution
b
c
6
1
Solution
c
d
6
1
Solution
d
7
Paper 6
6
a
7
1
Solution
a
b
7
1
Solution
b
c
7
1
Solution
c
8
Paper 6
8
a
8
1
Solution
a
b
8
1
Solution
b
c
8
1
Solution
c
d
8
1
Solution
d
9
Paper 6
13
a
9
1
Solution
a
b
9
1
Solution
b
c
9
1
Solution
c
d
9
1
Solution
d
e
9
4
i
e
1
Solution
i
ii
e
1
Solution
ii
Paper 7
2026
102
1
Paper 7
5
a
1
2
i
a
1
Solution
i
b
1
1
Solution
b
2
Paper 7
12
a
2
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
2
4
i
b
1
Solution
i
ii
b
1
Solution
ii
3
Paper 7
8
a
3
1
Solution
a
b
3
1
Solution
b
c
3
1
Solution
c
d
3
1
Solution
d
4
Paper 7
6
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
5
Paper 7
14
a
5
1
Solution
a
b
5
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
5
1
Solution
c
d
5
4
i
d
1
Solution
i
ii
d
1
Solution
ii
6
Paper 7
18
a
6
1
Solution
a
b
6
1
Solution
b
c
6
1
Solution
c
d
6
1
Solution
d
e
6
1
Solution
e
f
6
1
Solution
f
g
6
1
Solution
g
h
6
1
Solution
h
i
6
1
Solution
i
7
Paper 7
5
a
7
2
i
a
1
Solution
i
b
7
1
Solution
b
8
Paper 7
4
a
8
1
Solution
a
b
8
1
Solution
b
9
Paper 7
10
a
9
1
Solution
a
b
9
1
Solution
b
c
9
1
Solution
c
d
9
1
Solution
d
e
9
1
Solution
e
10
Paper 7
10
a
10
1
Solution
a
b
10
1
Solution
b
c
10
1
Solution
c
d
10
1
Solution
d
e
10
1
Solution
e
Paper 8
2026
133
1
Paper 8
9
a
1
1
Solution
a
b
1
1
Solution
b
c
1
4
i
c
1
Solution
i
ii
c
1
Solution
ii
2
Paper 8
9
a
2
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
2
1
Solution
b
c
2
1
Solution
c
3
Paper 8
2
a
3
1
Solution
a
4
Paper 8
21
a
4
1
Solution
a
b
4
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
4
1
Solution
c
d
4
1
Solution
d
e
4
1
Solution
e
f
4
1
Solution
f
g
4
1
Solution
g
h
4
1
Solution
h
i
4
1
Solution
i
5
Paper 8
9
a
5
1
Solution
a
b
5
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
6
Paper 8
8
a
6
1
Solution
a
b
6
1
Solution
b
c
6
1
Solution
c
d
6
1
Solution
d
7
Paper 8
4
a
7
1
Solution
a
b
7
1
Solution
b
8
Paper 8
8
a
8
1
Solution
a
b
8
1
Solution
b
c
8
1
Solution
c
d
8
1
Solution
d
9
Paper 8
13
a
9
8
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
iv
a
1
Solution
iv
b
9
1
Solution
b
c
9
1
Solution
c
10
Paper 8
6
a
10
1
Solution
a
b
10
1
Solution
b
c
10
1
Solution
c
11
Paper 8
12
a
11
1
Solution
a
b
11
1
Solution
b
c
11
1
Solution
c
d
11
1
Solution
d
e
11
1
Solution
e
f
11
1
Solution
f
12
Paper 8
1
Solution
12
13
Paper 8
18
a
13
1
Solution
a
b
13
1
Solution
b
c
13
1
Solution
c
d
13
1
Solution
d
e
13
1
Solution
e
f
13
1
Solution
f
g
13
1
Solution
g
h
13
1
Solution
h
i
13
1
Solution
i
Paper 9
2026
136
1
Paper 9
13
a
1
8
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
iv
a
1
Solution
iv
b
1
1
Solution
b
c
1
1
Solution
c
2
Paper 9
9
a
2
6
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
b
2
1
Solution
b
3
Paper 9
12
a
3
4
i
a
1
Solution
i
ii
a
1
Solution
ii
b
3
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
3
1
Solution
c
4
Paper 9
6
a
4
1
Solution
a
b
4
1
Solution
b
c
4
1
Solution
c
5
Paper 9
8
a
5
1
Solution
a
b
5
1
Solution
b
c
5
1
Solution
c
d
5
1
Solution
d
6
Paper 9
23
a
6
1
Solution
a
b
6
1
Solution
b
c
6
6
i
c
1
Solution
i
ii
c
1
Solution
ii
iii
c
1
Solution
iii
d
6
1
Solution
d
e
6
1
Solution
e
f
6
1
Solution
f
g
6
1
Solution
g
h
6
1
Solution
h
i
6
1
Solution
i
7
Paper 9
1
Solution
7
8
Paper 9
4
a
8
1
Solution
a
b
8
1
Solution
b
9
Paper 9
13
a
9
1
Solution
a
b
9
6
i
b
1
Solution
i
ii
b
1
Solution
ii
iii
b
1
Solution
iii
c
9
1
Solution
c
d
9
1
Solution
d
10
Paper 9
9
a
10
1
Solution
a
b
10
4
i
b
1
Solution
i
ii
b
1
Solution
ii
c
10
1
Solution
c
11
Paper 9
11
a
11
8
i
a
1
Solution
i
ii
a
1
Solution
ii
iii
a
1
Solution
iii
iv
a
1
Solution
iv
b
11
1
Solution
b
12
Paper 9
1
Solution
12
13
Paper 9
13
a
13
1
Solution
a
b
13
1
Solution
b
c
13
1
Solution
c
d
13
1
Solution
d
e
13
4
i
e
1
Solution
i
ii
e
1
Solution
ii
Ancestors
(6)
Past exam of the computer science course of the University of Cambridge
Computer science course of the University of Cambridge
Course of the University of Cambridge
University of Cambridge
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