about summary refs log tree commit diff
path: root/others/easy20160714/23.c
diff options
context:
space:
mode:
Diffstat (limited to 'others/easy20160714/23.c')
-rw-r--r--others/easy20160714/23.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/others/easy20160714/23.c b/others/easy20160714/23.c
new file mode 100644
index 0000000..8a3ec01
--- /dev/null
+++ b/others/easy20160714/23.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int cmp(const void *x, const void *y)
+{
+	return *(int *) x - *(int *) y;
+}
+
+int main()
+{
+	FILE *f = fopen("INP.TXT", "r");
+	int n, i, *a, r = 1;
+
+	fscanf(f, "%d", &n);
+	a = malloc(n * sizeof(int));
+
+	for (i = 0; i < n; i++)
+		fscanf(f, "%d", a + i);
+
+	fclose(f);
+
+	qsort(a, n, sizeof(int), cmp);
+
+	for (i = 1; i < n; i++)
+		if (a[i] > a[i - 1])
+			r++;
+
+	f = fopen("OUT.TXT", "w");
+	fprintf(f, "%d\n", r);
+	fclose(f);
+
+	return 0;
+}