25 lines
563 B
Bash
Executable File
25 lines
563 B
Bash
Executable File
#!/bin/bash
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#
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# ex2.bash: Advent2020 game, day 1/game 2
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CMD=$(basename "$0")
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readarray -t numbers
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declare -i i j k
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for ((i=0; i<${#numbers[@]}; ++i)); do
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for ((j=i+1; j<${#numbers[@]}; ++j)); do
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for ((k=j+1; k<${#numbers[@]}; ++k)); do
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if ((numbers[i] + numbers[j] + numbers[k] == 2020)); then
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printf "${CMD} : %d:%d %d:%d %d:%d sum=%d mul=%d\n" \
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$i $((numbers[i])) $j $((numbers[j])) $k $((numbers[k])) \
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$((numbers[i]+numbers[j]+numbers[k])) \
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$((numbers[i]*numbers[j]*numbers[k]))
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break 3
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fi
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done
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done
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done
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exit 0
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