10 lines
231 B
Bash
10 lines
231 B
Bash
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#!/usr/bin/zsh
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typeset -A F; for i ({0..9}) F+=($i 0)
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for v (${(@s.,.)$(<input.txt)}) ((F[$v]++))
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calc() {
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for ((i=$2;i<=$3;i++)) ((F[$[(i+7)%9]]+=$F[$[i%9]]))
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print Solution $1: $((${(j:+:)F}))
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}
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calc 1 1 79
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calc 2 80 255
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