Pyramid in c

Question 1

void main()

{

int i,j,n;

printf("Enter the number \n");

scanf("%d",&n);

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

{

for(j=1;j<=i;j++)

{

printf("* ");

}

printf("\n");

}

}

Output: Enter the number

5

*

* *

* * *

* * * *

* * * * *

Question 2

void main()

{

int i,j,n;

printf("Enter the number \n");

scanf("%d",&n);

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

{

for(j=n;j>=i;j--)

{

printf("# ");

}

printf("\n");

}

printf(" \\t \\n \a");

}

Output: Enter the number

6

# # # # # #

# # # # #

# # # #

# # #

# #

#

\t \n

Question 3

void main()

{

int i,j,n;

printf("Enter the number \n");

scanf("%d",&n);

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

{

for(j=1;j<=n-i;j++)

{

printf(" ");

}

for(j=1;j<=i;j++)

{

printf("* ");

}

printf("\n");

}

}

Output: Enter the number

4

*

* *

* * *

* * * *

Question 4

void main()

{

int i,j,n;

printf("Enter the number \n");

scanf("%d",&n);

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

{

for(j=1;j<=n-i;j++)

{

printf(" ");

//printf("%d ",i);

}

for(j=1;j<=i;j++)

{

printf("%d ",j);

}

printf("\n");

}

}

Output: Enter the number

3

1

1 2

1 2 3

Restaurant Bill project on C

#include<stdio.h>

#include<string.h>

main(){

char order[20];

float totalBill=0;

int price;

printf("**Menu:**\n**\tA=Rice = P15.00\t**\n**\tB=Friedchicken = P35.00**\n**\tC=Porkchop = P65.00\t**\n**\tD=Fishtinola =P15.00\t**\n**\tD=Porkmenudo =P45.00\t**\n**\tF=Chopsuey =P25.00\t**\n***** Q=Quit/Done ****\n\n");

while(!(strcmp(order,"Q"))==0 || strcmp(order,"q")==0){

printf("\n***Please select if what's your order:***\n");

scanf("%s",order);

if(strcmp(order,"A")==0 || strcmp(order,"a")==0){

totalBill=totalBill+15;

}

else if (strcmp(order,"B")==0 || strcmp(order,"b")==0){

totalBill=totalBill+35;

}

else if (strcmp(order,"C")==0 || strcmp(order,"c")==0){

totalBill=totalBill+65;

}

else if (strcmp(order,"D")==0 || strcmp(order,"d")==0){

totalBill=totalBill+15;

}

else if (strcmp(order,"E")==0 || strcmp(order,"e")==0){

totalBill=totalBill+45;

}

else if (strcmp(order,"F")==0 || strcmp(order,"f")==0){

totalBill=totalBill+25;

}

}

printf("\nYour total bill is P%.2f\n\n",totalBill);

}

Que7)Print 10 100 200 310 430

void series7()
{
   int i;
   int num=-70;
   for(i=80; i<130;i=i+10)
   {
      num=num+i;
      printf("%d, ",num);
   }
   printf("\n");
}

Que6) Print series 7 26 63 124 215 342 511

void series6()
{
   int i;
   int num=0;
   for (i=2;i<9;i++)
   {
      num=pow(i,3)-1;
      printf("%d ",num);
   }
   printf("\n");
}

Que5) Print series 1 -2 6 -15 31 -56 92 -141 205

void series5()
{
   int n=10;
   int k=1;
   int i=0;
   for (i=0;i<n;i++)

   {
      k=k+(i*i);
      if(i%2==0)
      printf("%d ",k);
      else
      printf(" %d ",-k);
   }
      printf("\n");
}

Que4) Print series 3 9 27 81 243

void series4()
{
   int i;
   int num=1;
   for (i=0;i<5;i++)
   {
      num=num*3;
      printf("%d  ",num);
     
   }
   printf("\n");
}

Que3) Print series 5 4 20 6 5 30 7 6 42

void series3()
{
 
   int i;
   int x=5,y=4,mul;
   for(i=0;i<3;i++)
   {
      mul=x*y;
      printf("  %d  %d  %d  ",x,y,mul);
      x++;
      y++; 
   }
   printf("\n");
}