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* Use generics in more places. * Use `ref` in more places. * Use `for` in more places. * Use a little bit of C++ interop. * Use an adapter for the `char`-or-EOF result of reading a char instead of pure `i32`, and use char literals where possible. --------- Co-authored-by: josh11b <15258583+josh11b@users.noreply.github.com>
34 lines
722 B
Plaintext
34 lines
722 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// https://adventofcode.com/2024/day/1
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import Core library "io";
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import library "day1_common";
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import library "sort";
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fn Run() {
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var a: array(i32, 1000);
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var b: array(i32, 1000);
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let n: i32 = ReadInputs(ref a, ref b);
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Quicksort(ref a, 0, n);
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Quicksort(ref b, 0, n);
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var i: i32 = 0;
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var j: i32 = 0;
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var similarity: i32 = 0;
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while (i < n and j < n) {
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if (a[i] < b[j]) {
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++i;
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} else {
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if (a[i] == b[j]) {
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similarity += b[j];
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}
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++j;
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}
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}
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Core.Print(similarity);
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}
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