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Showing posts with label If Else. Show all posts
Showing posts with label If Else. Show all posts

Wednesday, September 23, 2015

Spiral Matrix

 Sumit Kar     September 23, 2015     If Else, Matrix, Tricky, User Defined Function, While Loop     No comments   

#include <stdio.h>
#define R 3
#define C 3

void spiralPrint(int m, int n, int a[R][C])
{
int i, k = 0, l = 0;

/* k - starting row index
m - ending row index
l - starting column index
n - ending column index
i - iterator
*/

while (k < m && l < n)
{
/* Print the first row from the remaining rows */
for (i = l; i < n; ++i)
{
printf("%d ", a[k][i]);
}
k++;

/* Print the last column from the remaining columns */
for (i = k; i < m; ++i)
{
printf("%d ", a[i][n-1]);
}
n--;

/* Print the last row from the remaining rows */
if ( k < m)
{
for (i = n-1; i >= l; --i)
{
printf("%d ", a[m-1][i]);
}
m--;
}

/* Print the first column from the remaining columns */
if (l < n)
{
for (i = m-1; i >= k; --i)
{
printf("%d ", a[i][l]);
}
l++;
}
}
}

/* Program to test above functions */
int main()
{
int a[R][C] = { {1, 2, 3},
{8, 9, 4},
{7, 6, 5}
};

spiralPrint(R, C, a);
return 0;
}

   
Output
1 2 3 4 5 6 7 8 9
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Find the maximum occurrence of a character in a string

 Sumit Kar     September 23, 2015     Array, For Loop, If Else, Tricky     No comments   

#include<stdio.h>
#include<conio.h>

int main() {
char str[20], ch;
int count = 0, i,j=0 , max;
int arr[10];
printf("\nEnter a string : ");
scanf("%s", &str);

printf("\nEnter the character to be searched : ");
scanf("%c", &ch);
for (i = 0; str[i] != '\0'; i++) {
if (str[i] == ch)
count++;
else if(count != 0)
{
arr[j] = count;
j++;
count = 0;
}
}
arr[j]=count;
max = 0;
for(i=0;i<=j;i++)
if(max<arr[i])
max=arr[i];
if (max == 0)
printf("\nCharacter '%c'is not present", ch);
else
{
printf("\nMaximum occurrence of character '%c' : %d", ch, max);
}
return (0);
}

   

Output

Enter a string : aabbbaaab

Enter the character to be searched :
Maximum occurrence of character 'a' : 3

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Sunday, June 28, 2015

Solve Quadratic Equation

 Sumit Kar     June 28, 2015     If Else, Math     No comments   

#include <stdio.h>
#include <math.h>
void main()
{
float a,b,c,d,temp,r1,r2;
printf("\nEnter the value of a\t:");
scanf("%f",&a);
printf("Enter the value of b\t:");
scanf("%f",&b);
printf("Enter the value of c\t:");
scanf("%f",&c);

d=((b*b)-(4*c*a));

if(d==0)
{
printf("\nRoots are real and equal\n");
r1=-b/(2*a);
printf("\t X1=%f \n \t X2=%f ", r1, r1 );
}

else if(d>0)
{
printf("\nRoots are real and distinct\n");
temp=sqrt(d);

r1=(-b+temp)/(2*a);
r2=(-b-temp)/(2*a);

printf("\n\tX1=%f\n\tX2=%f",r1,r2);
}

else
{
printf("\nRoots are Imaginary\n");
d*=-1;
temp=sqrt(d);
r1=-b/(2*a);
r2=temp/(2*a);
printf("\n\tX1=(%f + %fi)\n\tX2=(%f - %fi)",r1,r2,r1,r2);
}
}
  
Output
Enter the value of a :1
Enter the value of b :-11
Enter the value of c :30

Roots are real and distinct

X1=6.000000
X2=5.000000
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Check whether an alphabet is Vowel or not

 Sumit Kar     June 28, 2015     Basic, If Else     No comments   

#include <stdio.h>

void main()
{
char in;
printf("Enter Character: ");
scanf("%c", &in);
if(in>=65&&in<=90 || in>=97&& in<=122)
{
if(in<97)
in=in+32;
if(in=='a'||in=='e'||in=='i'||in=='o'||in=='u')
printf("vowel");
else
printf("consonent");
}
else
printf("Not an valid Alphabet");
}

  
Output
Enter Character: A
vowel
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Friday, May 22, 2015

Print the Truth Table

 Sumit Kar     May 22, 2015     Basic, If Else, Switch Case, User Defined Function     No comments   

#include<stdio.h>

int OR(int,int);
int AND(int,int);
int XOR(int,int);
int NOT(int);

void main()
{
int a,b,ch,o;

printf("\n-:MENU:-\n1.AND\n2.OR\n3.NOT\n4.XOR\n0.Exit\n");
do{
printf("\nEnter Choice:");
scanf("%d",&ch);

switch(ch)
{
case 1:
printf ("\nTruth Table for AND\nA B \tO");
for(a=0;a<=1;a++)
{
for(b=0;b<=1;b++)
{
o=AND(a,b);
printf("\n%d %d \t%d",a,b,o);
}
}
break;
case 2:
printf ("\nTruth Table for OR\nA B \tO");
for(a=0;a<=1;a++)
{
for(b=0;b<=1;b++)
{
o=OR(a,b);
printf("\n%d %d \t%d",a,b,o);
}
}
break;
case 3:
printf ("\nTruth Table for NOT\nA \tO");
for(a=0;a<=1;a++)
{
o=NOT(a);
printf("\n%d \t%d",a,o);
}
break;
case 4:
printf ("\nTruth Table for XOR\nA B \tO");
for(a=0;a<=1;a++)
{
for(b=0;b<=1;b++)
{
o=XOR(a,b);
printf("\n%d %d \t%d",a,b,o);
}
}
break;

case 0: exit();
break;
default: printf("\nError");
}
}while(ch!=0);

}


int OR(int a, int b)
{
if(a==0&&b==0)
return 0;
else
return 1;
}

int AND(int a, int b)
{
if (a==1&&b==1)
return 1;
else
return 0;
}

int NOT(int a)
{
if (a==0)
return 1;
else
return 0;
}

int XOR(int a,int b)
{
if (a==0&&b==1||a==1&&b==0)
return 1;
else
return 0;
}

  

Output
-:MENU:-
1.AND
2.OR
3.NOT
4.XOR
0.Exit
Enter Choice: 3
Truth Table for NOT
A O
1 0
0 1
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Thursday, May 21, 2015

Find the Greatest of Three Numbers

 Sumit Kar     May 21, 2015     Basic, If Else     No comments   

#include<stdio.h>
void main()
{
int x,y,z;
printf("Enter values of x, y and z : ");
scanf("%d,%d,%d",&x,&y,&z);
if(x>=y && x>=z)
printf("\n%d is greatest",x);
else if(y>=z)
printf("\n%d is greatest",y);
else
printf("\n%d is greatest",z);
}

  

Output
Enter values of x, y and z : 4, 9, 2
9 is greatest
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