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Day 2 awk: minor refactoring

This commit is contained in:
kageru 2019-12-02 14:57:01 +01:00
parent fa9b12e853
commit 0cfbc8f3e5
1 changed files with 5 additions and 2 deletions
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7
2019/02/day2.awk Normal file → Executable file
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@ -1,3 +1,5 @@
#!/usr/bin/awk -f
# There are no scopes, so we just write to `arr` here and use it later.
# Returning the array does not seem to be legal either. Only scalars allowed.
function prepareInput(raw) {
@ -31,12 +33,13 @@ function process(arr, len, first, second) {
len = prepareInput($1);
process(arr, len, 12, 2);
printf("Part 1: %d\n", arr[0]);
part2_target = 19690720
for (x=0; x<100; x++) {
for (y=0; y<100; y++) {
len = prepareInput($1);
process(arr, len, x, y);
if (arr[0] == 19690720) {
printf("Part 2: %d\n", 100* x + y);
if (arr[0] == part2_target) {
printf("Part 2: %d\n", 100 * x + y);
}
}
}