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Tasks
Average score and full-solve rate per problem. Lower averages mean harder tasks.
PAIO 2026
Task statistics for this PAIO edition.
Number
Task
Day
Max
Average score
Average percentage
Full solves
Full-solve percentage
1
Vials
1
100
52.1
52.1%
43
45.7%
2
Detour
1
100
26.5
26.5%
21
22.3%
3
Lanterns
1
100
16.6
16.6%
9
9.6%
4
Walks
1
100
12.4
12.4%
7
7.4%
5
Imigongo
2
100
51.2
51.2%
38
40.4%
6
Elevator
2
100
30.5
30.5%
12
12.8%
7
Alchemy
2
100
24.0
24.0%
14
14.9%
8
Islands
2
100
8.2
8.2%
3
3.2%
PAIO 2025
Task statistics for this PAIO edition.
Number
Task
Day
Max
Average score
Average percentage
Full solves
Full-solve percentage
1
Cards
1
100
39.5
39.5%
8
12.7%
2
GCD
1
100
16.7
16.7%
3
4.8%
3
Rooks
1
100
32.1
32.1%
8
12.7%
4
XOR
1
100
6.0
6.0%
2
3.2%
5
Adventure
2
100
14.1
14.1%
4
6.3%
6
Cake
2
100
69.0
69.0%
40
63.5%
7
Exhibition
2
100
36.3
36.3%
15
23.8%
8
Towers
2
100
65.0
65.0%
39
61.9%