[c] Day01 complete

Author: Turysaz

c/.clang-format

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+
+IndentWidth: 4

c/.gitignore

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+a.*
+

c/compile_flags.txt

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+-Wall
+-ansi
+-std=c89
+-pedantic
+-pedantic-errors
+# Clang on Windows gets confused about -ansi and deprecations
+-Wno-deprecated-declarations

c/day01.c

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+#include <stdio.h>
+
+int main() {
+    /* input */
+    unsigned int buf, count = 0, arr[256];
+    /* solutions */
+    unsigned int p1, p2;
+    /* iterations */
+    unsigned int i, j, k;
+
+    while (scanf("%i", &buf) != EOF) {
+        arr[count++] = buf;
+    }
+
+    for (i = 0; i < count; i++) {
+        for (j = 0; j < count; j++) {
+            if (arr[i] + arr[j] == 2020) {
+                p1 = arr[i] * arr[j];
+            }
+
+            for (k = 0; k < count; k++) {
+                if (arr[i] + arr[j] + arr[k] == 2020) {
+                    p2 = arr[i] * arr[j] * arr[k];
+                }
+            }
+        }
+    }
+
+    printf("Part 1: %u\nPart 2: %u\n", p1, p2);
+
+    return 0;
+}

c/make.sh

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+
+clang -Wall -ansi -std=c89 -pedantic -pedantic-errors -Wno-deprecated-declarations $1
+