Question

Lab 6.4 Write a C++ program that contain all the following patterns as functions and let the user choose between them by providing list: Lab 6.4.1 Write a C++ function to display the pattern like a this. eg. User input : 5 Output: Lab 6.4.2 Write a C++ function to display the pattern like a this. eg. User input : 5 Output:

Answer 1

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#include <iostream>

using namespace std;

void upward(int n)

{

char x[2*n-1][2*n-1];

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

{

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

{

x[i][j]=' ';

}

}

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

{

x[i][0]='*';

}

for(int i=0;i<n-1;i++)

{

x[i][i]='*';

}

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

{

x[i][2*n-i-2]='*';

}

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

{

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

{

cout<<x[i][j]<<" ";

}

cout<<endl;

}

}

void downward(int n)

{

for(int i=0;i<n-1;i++)cout<<" ";cout<<" *";cout<<endl;

n= n-1;

for(int i=n-1;i>=0;i--)

{

int j= n-i;

for(int k=0;k<i;k++)cout<<" ";cout<<"*";

for(int k=0;k<j;k++)cout<<" ";cout<<"*";

cout<<endl;

}

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

{

int j= n-i;

for(int k=0;k<i;k++)cout<<" ";cout<<"*";

for(int k=0;k<j;k++)cout<<" ";cout<<"*";

cout<<endl;

}

for(int i=0;i<n;i++)cout<<" ";cout<<" *";

cout<<endl;

}

int main() {

int n ;

cin>>n;

upward(n);

downward(n);

  return 0;

}

1 #include <iostream> using namespace std; 2 3 } clang++-7 -pthread -std=c++11 -o main ma: П.cpp } ./main 5 4 5 6 void upward (int n) { char x[2*n-1][2*n-1]; for(int i=0;i<2*n-1;i++) 7 co { 9 10 for(int j=0; j<2*n-1;j++) { x[i][j]=''; } 11 12 13 } 14 15 for(int i=0;i<2*n-1;i++) { x[i][@]='*'; 16 17 18 for(int i=0;i<n-1;i++) 19 } { } 20 x[i][i]='*'; 21 22 23 for(int i=n-1;i<2*n-1; i++) { x[i][2*n-i-2]-'*'; 24 25 } 26 27 28 29 for(int i=0;i<2*n-1;i++) { for(int j=0; j<2*n-1; j++) { cout<<x[i][j]<<" "; } cout<<endl; 30 31 32 33 ܢܟ 34 } 35 void downward(int n) { 36 37 38 39 40 41 42 43 for(int i=0;i<n-1;i++) cout<<" "; cout<<" *"; cout<<endl; n= n-1; for(int i=n-1;i>=0; i--) { int j= n-i; for(int k=0;ksi;k++) cout<<"

35 void downward (int n) 36 { > clang++-7 -pthread -std=c++11 -o main mai n.cpp } ./main 5 37 38 39 40 41 42 43 for(int i=0;i<n-1;i++) cout<<" "; cout<<" *"; cout<<endl; n= n-1; for(int i=n-1;i>=0; i--) { int j= n-i; for(int k=0;k<i;k++) cout<<" "; cout<<"*"; for(int k=0; k<j;k++) cout<<" "; cout<<"*"; cout<<endl; 44 45 46 47 for(int i=1;i<n;i++) } { 48 49 50 Y int j= n-i; for(int k=0;k<i;k++) cout<<" "; cout<<"*"; for(int k=0; k<j;k++) cout<<" "; cout<<"*"; cout<<endl; 51 52 53 54 } for(int i=0;i<n;i++) cout<<" cout<<" *"; cout<<endl; 55 56 57 58 } 59 60 int main() { int n; cin>>n; upward(n); downward(n); return; 61 62 63 64