From fafbeaf9e3c09ba7a5bea7e47d5736001f8a5aa1 Mon Sep 17 00:00:00 2001 From: HJ Date: Tue, 17 Jan 2023 12:46:04 -0500 Subject: adding old leetcode solutions --- leetcode/lc-690-employee-importance.rkt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 leetcode/lc-690-employee-importance.rkt (limited to 'leetcode/lc-690-employee-importance.rkt') diff --git a/leetcode/lc-690-employee-importance.rkt b/leetcode/lc-690-employee-importance.rkt new file mode 100644 index 0000000..1fb3fcc --- /dev/null +++ b/leetcode/lc-690-employee-importance.rkt @@ -0,0 +1,14 @@ +#lang racket + +(define/contract (sum-even-after-queries A queries) + (-> (listof exact-integer?) + (listof (listof exact-integer?)) + (listof exact-integer?)) + (define array (list->vector A)) + (for/list ([query (in-list queries)]) + (vector-set! array + (second query) + (+ (first query) (vector-ref array (second query)))) + (for/sum ([element (vector-filter even? array)]) element))) + +(sum-even-after-queries '[1 2 3 4] '[[1 0] [-3 1] [-4 0] [2 3]]) \ No newline at end of file -- cgit v1.2.3