42 lines
1.1 KiB
Bash
Executable File
42 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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i_max=-1
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j_max=0
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locations=()
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marked_locations=()
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while read line; do
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if [ $i_max -lt 0 ]; then
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i_max=${#line}
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fi
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locations+=( $(sed 's/\([0-9]\)/\1 /g' <<< $line) )
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j_max=$((j_max+1))
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done
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for i in $(seq 0 $((i_max-1))); do
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for j in $(seq 0 $((j_max-1))); do
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marked_locations+=( 0 )
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done
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done
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for i in $(seq 0 $((i_max-1))); do
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for j in $(seq 0 $((j_max-1))); do
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curr_location=${locations[$((i+j*i_max))]}
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if { [ $i -gt 0 ] && [ $curr_location -ge ${locations[$((i-1+j*i_max))]} ] ;} \
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|| { [ $i -lt $((i_max-1)) ] && [ $curr_location -ge ${locations[$((i+1+j*i_max))]} ] ;} \
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|| { [ $j -gt 0 ] && [ $curr_location -ge ${locations[$((i+(j-1)*i_max))]} ] ;} \
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|| { [ $j -lt $((j_max-1)) ] && [ $curr_location -ge ${locations[$((i+(j+1)*i_max))]} ] ;}; then
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marked_locations[$((i+j*i_max))]=1
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fi
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done
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done
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sum=0
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for i in $(seq 0 $((i_max-1))); do
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for j in $(seq 0 $((j_max-1))); do
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curr_location=${marked_locations[$((i+j*i_max))]}
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if [ $curr_location -eq 0 ]; then
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sum=$((sum+1+locations[i+j*i_max]))
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fi
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done
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done
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echo $sum
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