给定整数N ,任务是打印半钻石星型图案。
*
**
***
****
*****
******
*****
****
***
**
*
例子:
Input: N = 3
Output:
*
**
***
**
*
Input: N = 6
Output:
*
**
***
****
*****
******
*****
****
***
**
*
方法:想法是将模式分为上半部分和下半部分两个部分。然后在循环的帮助下分别打印。打印上半部分和下半部分的主要注意事项如下:
- 上半部:模式的上半部按升序包含星号‘*’ ,其中第i行包含以下星号:
的“*”在第i行号=
- 下半部:模式的下半部按降序包含星号‘*’ ,其中第i行包含以下星号:
的“*”在第i行号=
下面是上述方法的实现:
C++
// C++ implementation to print the // half diamond star pattern #include
using namespace std; // Function to print the // half diamond star pattern void halfDiamondStar(int N) { int i, j; // Loop to print the upper half // diamond pattern for (i = 0; i < N; i++) { for (j = 0; j < i + 1; j++) cout << "*"; cout << "\n"; } // Loop to print the lower half // diamond pattern for (i = 1; i < N; i++) { for (j = i; j < N; j++) cout << "*"; cout << "\n"; } } // Driver Code int main() { int N = 5; // Function Call halfDiamondStar(N); }
Java
// Java implementation to print the // half diamond star pattern import java.util.*; class GFG{ // Function to print the // half diamond star pattern static void halfDiamondStar(int N) { int i, j; // Loop to print the upper half // diamond pattern for (i = 0; i < N; i++) { for (j = 0; j < i + 1; j++) System.out.print("*"); System.out.print("\n"); } // Loop to print the lower half // diamond pattern for (i = 1; i < N; i++) { for (j = i; j < N; j++) System.out.print("*"); System.out.print("\n"); } } // Driver Code public static void main(String[] args) { int N = 5; // Function Call halfDiamondStar(N); } } // This code is contributed by Rohit_ranjan
Python3
# Python3 implementation to print the # half diamond star pattern # Function to print the # half diamond star pattern def halfDiamondStar(N): # Loop to print the upper half # diamond pattern for i in range(N): for j in range(0, i + 1): print("*", end = "") print() # Loop to print the lower half # diamond pattern for i in range(1, N): for j in range(i, N): print("*", end = "") print() # Driver Code N = 5; # Function Call halfDiamondStar(N); # This code is contributed by skylags
C#
// C# implementation to print the // half diamond star pattern using System; class GFG{ // Function to print the // half diamond star pattern static void halfDiamondStar(int N) { int i, j; // Loop to print the upper half // diamond pattern for(i = 0; i < N; i++) { for(j = 0; j < i + 1; j++) Console.Write("*"); Console.Write("\n"); } // Loop to print the lower half // diamond pattern for(i = 1; i < N; i++) { for(j = i; j < N; j++) Console.Write("*"); Console.Write("\n"); } } // Driver Code public static void Main(String[] args) { int N = 5; // Function Call halfDiamondStar(N); } } // This code is contributed by Rohit_ranjan
输出:* ** *** **** ***** **** *** ** *