更新了许多

等腰三角形.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <iomanip>
+using namespace std;
+int main(){
+	int n;
+	cin >>n;
+	for (int i=1;i<=n;i++)
+    {
+        for (int j=1;j<=n-i;j++)
+               cout <<" ";
+        for (int j=1;j<=2*i-1;j++)
+               cout <<1;
+        cout <<endl;
+    }
+     
+	return 0;
+}
+
+