first commit

xjq.txt

@@ -0,0 +1,22 @@
+int main()
+{
+	
+    double x,k=1,f=1,e,n;
+    double a=0;
+    scanf("%lf %lf",&x,&n);
+    if(n < 0)
+    printf("error");
+    else
+    {
+    for(int i = 1;i <= n;i++)
+    {
+    	
+        a =pow((double)x,(double)i);
+        k = k*i;
+        e = a/k;
+        f += e;
+    }
+    printf("%.6lf",f);
+    }
+return 0;
+}