1 files changed, 28 insertions, 0 deletions
diff --git a/2ndary/10/CSP-KT2/zpairs.c b/2ndary/10/CSP-KT2/zpairs.c
new file mode 100644
index 0000000..d0d6186
--- /dev/null
+++ b/2ndary/10/CSP-KT2/zpairs.c
@@ -0,0 +1,28 @@
+#include <stdio.h>
+
+int main()
+{
+	short m, n, i, j, v = 0;
+	long a[10000], b;
+
+	scanf("%hd %hd", &n, &m);
+	for (i = 0; i < n; i++)
+		scanf("%ld", &a[i]);
+
+	i = 0;
+	for (j = 0; j < m; j++) {
+		if (i >= n)
+			break;
+		scanf("%ld", &b);
+		while (b > a[i])
+			i++;
+		if (b == a[i]) {
+			v++;
+			i++;
+		}
+	}
+
+	printf("%hd\n", v);
+
+	return 0;
+}