#include<stdio.h> int main() { int i, n, j; printf(“Enter number of lines: “); scanf(“%d”, &n); /* Upper part of diamond */ for(i=1;i<=n;i++) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { printf(“*”); } printf(“\n”); } /* Lower part of diamond patter */ for(i=n-1;i>=1;i–) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { printf(“*”); } printf(“\n”); } return…

#include<stdio.h> int main() { int i, j, n, a,b,c,d; printf(“Enter n: “); scanf(“%d”, &n); /* Some Setup */ a=1; b=1; c=n; d=n; /* Pattern */ for(i=1;i<=2*n-1;i++) { for(j=1;j<=2*n-1;j++) { if(i==n) { a<=n?printf(“%d”,a++):printf(“%d”,–c); } else if(i+j==2*n) { a<=n?printf(“%d”,b++):printf(“%d”,–d); } else { printf(” “); } } printf(“\n”); } return 0; } Output  Enter n: 6 1 1…

#include<stdio.h> int main() { int i, n, j; printf(“Enter number of lines: “); scanf(“%d”, &n); for(i=1;i<=n;i++) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { j==1||j==2*i-1||i==n?printf(“*”):printf(” “); } printf(“\n”); } return 0; } Output  Enter number of lines: 10 * * * * * * * * * * * * * * * * *…

#include<stdio.h> int main() { int i, j, n, a,b,c,d; printf(“Enter n: “); scanf(“%d”, &n); /* Some Setup */ a=1; b=1; c=n; d=n; /* Pattern */ for(i=1;i<=2*n-1;i++) { for(j=1;j<=2*n-1;j++) { if(i==n) { a<=n?printf(“%d”,a++):printf(“%d”,–c); } else if(j==n) { a<=n?printf(“%d”,b++):printf(“%d”,–d); } else { printf(” “); } } printf(“\n”); } return 0; } Output Enter n: 5 1 2…

#include int main() { int i, n, j; printf(“Enter number of lines: “); scanf(“%d”, &n); /* Upper part of diamond */ for(i=1;i<=n;i++) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { j==1||j==2*i-1?printf(“*”):printf(” “); } printf(“\n”); } /* Lower part of diamond patter */ for(i=n-1;i>=1;i–) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { j==1||j==2*i-1?printf(“*”):printf(” “); } printf(“\n”);…

#include<stdio.h> int main() { int i, j, n; printf(“Enter n: “); scanf(“%d”, &n); /* Pattern */ for(i=1;i<=2*n-1;i++) { for(j=1;j<=2*n-1;j++) { if(i==j||i+j==2*n) { printf(“*”); } else { printf(” “); } } printf(“\n”); } return 0; } Output  Enter n: 10 * * * * * * * * * * * * * * * *…

#include<stdio.h> int main() { int i,j; char str[] = “Programming”; clrscr(); for(i=0;i< 6;i++) { for(j=i;j< 11-i;j++) { putchar(str[j]); } putchar(‘\n’); } return(0); } Output Programming rogrammin ogrammi gramm ram a

#include<stdio.h> void triangleShape(int n); void flagPole(int n); int main() { int row; printf(“Enter number of rows: “); scanf(“%d”, &row); triangleShape(row); triangleShape(row); flagPole(row); return 0; } void triangleShape(int n) { int i,j; for(i=1;i<=n;i++) { for(j=1;j<=i;j++) { printf(“* “); } printf(“\n”); } } void flagPole(int n) { int i; for(i=1;i<=n;i++) { printf(“*\n”); } } Output Enter number…

#include<stdio.h> int main() { int i, n, j; printf(“Enter number of lines: “); scanf(“%d”, &n); for(i=1;i<=n;i++) { for(j=1;j<=n-i;j++) { printf(” “); } for(j=1;j<=2*i-1;j++) { j==1||j==2*i-1||i==n?printf(“*”):printf(” “); } printf(“\n”); } return 0; } Output Enter number of lines: 10 * * * * * * * * * * * * * * * * *…

#include<stdio.h> int main() { int i, j, n; printf(“Enter n: “); scanf(“%d”, &n); /* Pattern */ for(i=1;i<=2*n-1;i++) { for(j=1;j<=2*n-1;j++) { if(i==n || j==n) { printf(“*”); } else { printf(” “); } } printf(“\n”); } return 0; } Output Enter n: 10 * * * * * * * * * ******************* * * * *…

#include<stdio.h> #include<stdlib.h> #define SIZE 20 int main() { int order, i, j, k, p, q, mid, magic[SIZE][SIZE]; printf(“Enter order of magic square (order must be odd): “); scanf(“%d”, &order); if(order%2==0) { printf(“Order must be odd.\n”); printf(“Exiting…”); exit(0); } mid = order/2; for(i=0;i< order; i++) { for(j=0; j< order; j++) { magic[i][j]=0; } } k=mid; j=0;…

#include<stdio.h> #include<conio.h> void main() { /* Storing same string in two different variable in required format is simple hack for question to avoid too many if-else statement */ char string1[] = “PuLcHoWk”; char string2[] = “PULCHOWK”; int i,j, length; clrscr(); /* Pattern */ for(i=0;i< 8;i++) { for(j=0;j<=i;j++) { if(i==3||i==5||i==7) { putchar(string2[j]); } else { putchar(string1[j]);…