C solution for week 3, part 1

2 files changed, 32 insertions, 0 deletions

diff --git a/challenge-003/abigail/README.md b/challenge-003/abigail/README.md
index 1b9e794af2..d80777132e 100644
--- a/challenge-003/abigail/README.md
+++ b/challenge-003/abigail/README.md
@@ -9,6 +9,7 @@ numbers. For more information, please check this
 
 ### Solutions
 * [AWK](awk/ch-1.awk)
+* [C](c/ch-1.c)
 * [Perl](perl/ch-1.pl)
 
 
diff --git a/challenge-003/abigail/c/ch-1.c b/challenge-003/abigail/c/ch-1.c
new file mode 100644
index 0000000000..eb6a053705
--- /dev/null
+++ b/challenge-003/abigail/c/ch-1.c
@@ -0,0 +1,31 @@
+# include <stdlib.h>
+# include <stdio.h>
+# include <string.h>
+
+/*
+ * See ../README.md
+ */
+
+/*
+ * Run as: cc -o ch-1.o ch-1.c; ./ch-1.o < input-file
+ */
+
+int main (void) {
+    char *  line    = NULL;
+    size_t  len     = 0;
+    size_t  strlen;
+
+    while ((strlen = getline (&line, &len, stdin)) != -1) {
+        long long max = atoll (line);
+        for (long long base2 = 1; base2 <= max; base2 *= 2) {
+            for (long long base3 = base2; base3 <= max; base3 *= 3) {
+                for (long long base5 = base3; base5 <= max; base5 *= 5) {
+                    printf ("%lld\n", base5);
+                }
+            }
+        }
+    }
+    free (line);
+
+    return (0);
+}