diff --git a/QUSTOJ/1732.c b/QUSTOJ/1732.c
new file mode 100644
index 0000000..8f4d466
--- /dev/null
+++ b/QUSTOJ/1732.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+//Written by Kiritow. 求最大公约数
+long gcd(long a,long b)
+{
+    if(a==0||b==0)
+    {
+        if(a+b==0)
+        {
+            return 0;
+        }
+        return (a==0)?b:a;
+    }
+ 
+    while(a!=b)
+    {
+        if(a>b)
+        {
+            a=a-b;
+        }
+        else
+        {
+            b=b-a;
+        }
+    }
+    return a;
+}
+int main()
+{
+    int a,b;
+    scanf("%d %d",&a,&b);
+    int ans=gcd(a,b);
+    printf("最大公约数:%d\n最小公倍数:%d\n",ans,a*b/ans);
+    return 0;
+}