diff --git a/QUSTOJ/1500.c b/QUSTOJ/1500.c
new file mode 100644
index 0000000..ddc0ffd
--- /dev/null
+++ b/QUSTOJ/1500.c
@@ -0,0 +1,34 @@
+#include <stdio.h>
+void prt_byINT(int inc)
+{
+    inc++;
+    int    a[40][40];                 
+    int    i,j;                    
+    for(i=1;i<inc;i++)           
+    {
+        a[i][1]=1;
+        a[i][i]=1;
+    }
+    for(i=1;i<inc;i++)
+       for(j=2;j<i;j++)
+            a[i][j]=a[i-1][j-1]+a[i-1][j];
+    for(i=1;i<inc;i++)
+    {
+        for(j=1;j<=i;j++)
+        {
+              printf("%d",a[i][j]);
+              if(j!=i) printf(" ");
+        }
+        printf("\n");   
+    }
+}
+int main()
+{
+    int a;
+    while(scanf("%d",&a)==1)
+    {
+        prt_byINT(a);
+        printf("\n");
+    }
+    return 0;
+}