International Solving Contest 2013 – Problems

9th International Solving Contest (ISC)
27th January, 2013

Category 1 – Problems

Round 1, time 2 hours:

1



#2

2



#3
3



#7
4



+
5



h#4, 4 solutions
6



s#3

Round 2, time 2 hours:

7



#2
8



#3
9



#4
10



+
11



h#3, 2 solutions
12



s#4

Solutions

 

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