C++ Program To Print Pyramid Patterns – GeeksforGeeks

By Bhupender Saini On Mar 19, 2023 3 0

In this article, we will discuss the following top pattern programs in C++ star *, numbers, or other characters.

Pyramid Patterns in C++

Simple Pyramid Pattern
Simple Pyramid Pattern after 180° Rotation
Inverted Pyramid Pattern
Inverted Pyramid Pattern after 180° Rotation
Triangle Pattern
Inverted Triangle Pattern
Number Pyramid Pattern
Numbers Pyramid Pattern without Reassigning
Continuous Number Pyramid Pattern after 180° Rotation
Palindrome Triangle Pattern
Alphabet Pyramid Pattern
Continuous Alphabet Pyramid Pattern

C++ Programs to Print Patterns and Pyramids

1. Simple Pyramid Pattern in C++

Method 1: Printing simple pyramid pattern using for loop

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

for (int i = 0; i < n; i++) {

for (int j = 0; j <= i; j++) {

cout << "* ";

}

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

* 
* * 
* * * 
* * * * 
* * * * *

Method 2: Printing the above pattern using while Loop

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

int i = 0, j = 0;

while (i < n) {

while (j <= i) {

cout << "* ";

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

* 
* * 
* * * 
* * * * 
* * * * *

Method 3: Printing the above pattern using recursion.

C++

#include <iostream>

using namespace std;

void print(int n)

{

if(n == 0)

{

return;

}

cout << "* ";

print(n - 1);

}

void pattern(int n)

{

if (n == 0)

{

return;

}

else

{

pattern(n - 1);

print(n);

cout << endl;

}

int main()

{

int n = 5;

pattern(n);

}

Output

* 
* * 
* * * 
* * * * 
* * * * *

2. Simple Pyramid Pattern in C++ after 180° Rotation

Method 1: Printing the 180° rotated simple pyramid pattern using for loop.

C++

#include <iostream>

using namespace std;

int main()

{

int n = 5;

for (int i = n; i > 0; i--) {

for (int j = 1; j <= n; j++)

{

if (j >= i) {

cout << "* ";

}

else {

cout << " ";

}

cout << endl;

}

return 0;

}

Output

        * 
      * * 
    * * * 
  * * * * 
* * * * *

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart2(int n)

{

int i = 0, j = 0, k = 0;

while (i < n) {

while (k < (n - i - 1)) {

cout << " ";

k++;

}

k = 0;

while (j <= i) {

cout << "* ";

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

pypart2(n);

return 0;

}

Output

        * 
      * * 
    * * * 
  * * * * 
* * * * *

3. Inverted Pyramid Pattern in C++

Method 1: Printing the pattern using for loop.

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

for (int i = n; i > 0; i--) {

for (int j = 0; j < i; j++) {

cout << "* ";

}

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

* * * * * 
* * * * 
* * * 
* * 
*

Method 2: Printing the pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

int i = n, j = 0;

while (i > 0) {

while (j < i) {

cout << "* ";

j++;

}

j = 0;

i--;

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

* * * * * 
* * * * 
* * * 
* * 
*

Method 3: Printing the above pattern using recursion.

C++

#include <bits/stdc++.h>

using namespace std;

void print(int n)

{

if(n == 0)

{

return;

}

cout << "* ";

print(n - 1);

}

void pattern(int n)

{

if (n == 0) {

return;

}

print(n);

cout << endl;

pattern(n - 1);

}

int main()

{

int n = 5;

pattern(n);

return 0;

}

Output

* * * * * 
* * * * 
* * * 
* * 
*

4. Inverted Pyramid Pattern in C++ after 180° Rotation

Method 1: Printing this pattern using for loop.

C++

#include <iostream>

using namespace std;

void pypart2(int n)

{

int k = 2 * n - 2;

for (int i = n; i > 0; i--) {

for (int j = 0; j < n - i; j++)

cout << " ";

k = k - 2;

for (int j = 0; j < i; j++) {

cout << "* ";

}

cout << endl;

}

int main()

{

int n = 5;

pypart2(n);

return 0;

}

Output

* * * * * 
  * * * * 
    * * * 
      * * 
        *

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart2(int n)

{

int i = n, j = 0, k = 0;

while (i > 0) {

while (k < (n - i)) {

cout << " ";

k++;

}

k = 0;

while (j < i) {

cout << "* ";

j++;

}

j = 0;

i--;

cout << endl;

}

int main()

{

int n = 5;

pypart2(n);

return 0;

}

Output

* * * * * 
  * * * * 
    * * * 
      * * 
        *

5. Triangle Pattern in C++

Method 1: Printing the given pattern using for loop.

C++

#include <iostream>

using namespace std;

void pypart2(int n)

{

int i, j, k = n;

for (i = 1; i <= n; i++) {

for (j = 1; j <= n; j++) {

if (j >= k)

cout << "* ";

else

cout << " ";

}

k--;

cout << "\n";

}

int main()

{

int n = 5;

pypart2(n);

return 0;

}

Output

    * 
   * * 
  * * * 
 * * * * 
* * * * *

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart2(int n)

{

int i = 0, j = 0, k = 0;

while (i < n) {

while (k <= n - i - 2) {

cout << " ";

k++;

}

k = 0;

while (j <= i) {

cout << "* ";

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

pypart2(n);

return 0;

}

Output

    * 
   * * 
  * * * 
 * * * * 
* * * * *

6. Inverted Triangle Pattern in C++

Method 1: Printing the inverted triangle pattern using for loop.

C++

#include <iostream>

using namespace std;

void printInvTriangle(int n)

{

for (int i = 0; i < n; i++) {

int space = i;

for (int j = 0; j < 2 * n - i - 1; j++) {

if (space) {

cout << " ";

space--;

}

else {

cout << "* ";

}

cout << endl;

}

int main()

{

printInvTriangle(5);

return 0;

}

Output

* * * * * * * * * 
  * * * * * * * 
    * * * * * 
      * * * 
        *

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void printInvTriangle(int n)

{

int i = 0;

int j;

while (i < n) {

int space = i;

j = 0;

while (j < 2 * n - i - 1) {

if (space) {

cout << " ";

space--;

}

else {

cout << "* ";

}

j++;

}

cout << endl;

i++;

}

int main()

{

printInvTriangle(5);

return 0;

}

Output

* * * * * * * * * 
  * * * * * * * 
    * * * * * 
      * * * 
        *

6. Number Pyramid Pattern in C++

Method 1: Printing the number pyramid pattern using for loop.

C++

#include <iostream>

using namespace std;

void numpat(int n)

{

int num = 1;

for (int i = 0; i < n; i++) {

for (int j = 0; j <= i; j++)

cout << num << " ";

num = num + 1;

cout << endl;

}

int main()

{

int n = 5;

numpat(n);

return 0;

}

Output

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

int i = 1, j = 0;

while (i <= n) {

while (j <= i - 1) {

cout << i << " ";

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

7. Numbers Pyramid Pattern in C++ without Reassigning

Method 1: Printing the number pyramid pattern in C++ without reassigning using for loop.

C++

#include <iostream>

using namespace std;

void numpat(int n)

{

int num = 1;

for (int i = 0; i < n; i++) {

for (int j = 0; j <= i; j++) {

cout << num << " ";

num = num + 1;

}

cout << endl;

}

int main()

{

int n = 5;

numpat(n);

return 0;

}

Output

1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void pypart(int n)

{

int i = 1, j = 0;

int num = 1;

while (i <= n) {

while (j <= i - 1) {

cout << num << " ";

num++;

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

pypart(n);

return 0;

}

Output

1 
2 3 
4 5 6 
7 8 9 10 
11 12 13 14 15

8. Continuous Number Pyramid in C++ after 180° Rotation

C++

#include <iostream>

using namespace std;

int main()

{

int rows = 5, count = 0, count1 = 0, k = 0;

for (int i = 1; i <= rows; ++i) {

for (int space = 1; space <= rows - i; ++space) {

cout << " ";

++count;

}

while (k != 2 * i - 1) {

if (count <= rows - 1) {

cout << i + k << " ";

++count;

}

++k;

}

count1 = count = k = 0;

cout << endl;

}

return 0;

}

Output

9. Palindrome Triangle Pattern in C++

C++

#include <iostream>

using namespace std;

int main()

{

int rows = 5, count = 0, count1 = 0, k = 0;

for (int i = 1; i <= rows; ++i) {

for (int space = 1; space <= rows - i; ++space) {

cout << " ";

++count;

}

while (k != 2 * i - 1) {

if (count <= rows - 1) {

cout << i + k << " ";

++count;

}

else {

++count1;

cout << i + k - 2 * count1 << " ";

}

++k;

}

count1 = count = k = 0;

cout << endl;

}

return 0;

}

Output

        1 
      2 3 2 
    3 4 5 4 3 
  4 5 6 7 6 5 4 
5 6 7 8 9 8 7 6 5

10. Alphabet Pyramid Pattern in C++

Method 1: Printing the given pattern using for loop.

C++

#include <iostream>

using namespace std;

void alphabet(int n)

{

int num = 65;

for (int i = 0; i < n; i++) {

for (int j = 0; j <= i; j++) {

char ch = char(num);

cout << ch << " ";

}

num = num + 1;

cout << endl;

}

int main()

{

int n = 5;

alphabet(n);

return 0;

}

Output

A 
B B 
C C C 
D D D D 
E E E E E

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void alphabet(int n)

{

int i = 1, j = 0;

int num = 65;

char alpha = char(num);

while (i <= n) {

while (j <= i - 1) {

cout << alpha << " ";

j++;

}

alpha++;

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

alphabet(n);

return 0;

}

Output

A 
B B 
C C C 
D D D D 
E E E E E

11. Continuous Alphabet Pyramid Pattern in C++

Method 1: Printing the above pattern using for loop.

C++

#include <iostream>

using namespace std;

void contalpha(int n)

{

int num = 65;

for (int i = 0; i < n; i++) {

for (int j = 0; j <= i; j++) {

char ch = char(num);

cout << ch << " ";

num = num + 1;

}

cout << endl;

}

int main()

{

int n = 5;

contalpha(n);

return 0;

}

Output

A 
B C 
D E F 
G H I J 
K L M N O

Method 2: Printing the above pattern using while loop.

C++

#include <iostream>

using namespace std;

void contalpha(int n)

{

int i = 1, j = 0;

int num = 65;

char alpha = char(num);

while (i <= n) {

while (j <= i - 1) {

cout << alpha << " ";

alpha++;

j++;

}

j = 0;

i++;

cout << endl;

}

int main()

{

int n = 5;

contalpha(n);

return 0;

}

Output

A 
B C 
D E F 
G H I J 
K L M N O

Printing patterns in python language are discussed in the following article – Programs for printing pyramid patterns in Python

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