From 1d136a8f383e8a4f082b567390fd8d8a20abf088 Mon Sep 17 00:00:00 2001
From: yenru0 <yenru0604@gmail.com>
Date: Tue, 9 Apr 2024 14:13:32 +0900
Subject: [PATCH] complete 18870.c

---
 zeta_C/{ => completed}/18870.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)
 rename zeta_C/{ => completed}/18870.c (89%)

diff --git a/zeta_C/18870.c b/zeta_C/completed/18870.c
similarity index 89%
rename from zeta_C/18870.c
rename to zeta_C/completed/18870.c
index 169a7e7..7b6aebb 100644
--- a/zeta_C/18870.c
+++ b/zeta_C/completed/18870.c
@@ -44,17 +44,14 @@ void compress(int N, Honeycomb *arr) {
     }
 
     qsort(arr, N, sizeof(Honeycomb), compare_loc);
-    return;
 }
 
+// C11(Clang)에서 런타임에러: 백준 clang에서 qsort가 정렬을 제대로 하지 못하는 문제
 int main() {
     int N;
     scanf("%d", &N);
     Honeycomb *arr;;
-    if ((arr = (Honeycomb *) calloc(N, sizeof(Honeycomb))) == NULL) {
-        printf("NULL");
-        return 1;
-    }
+    arr = (Honeycomb *) calloc(N, sizeof(Honeycomb));
     for (int i = 0; i < N; i++) {
         scanf("%d", &arr[i].x);
         arr[i].loc = i;