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// 失敗版 | |
sig Coin {} | |
abstract sig State { | |
candidates : set Coin, | |
} | |
sig Branch extends State { | |
left, right : set Coin, | |
eq, lt, gt : State |
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M1 k1 = (call/cc (M2 k1)) + 3 | |
M2 k1 k2 = if b then (k1 1) else (k2 2) | |
(call/cc M1) + 4 | |
S1 k1 = (shift (λk2. k2 (S2 k1 k2))) + 3 | |
S2 k1 k2 = if b then (k1 1) else (k2 2) | |
reset(exit(shift (λk1. k1 (S1 k1)) + 4)) |