/* Write a c program to find the length of a string without using the built-in function */ #include <stdio.h> void main() { char string[50]; int i, length = 0; printf("Enter a string\n"); gets(string); for (i=0; string[i] != '\0'; i++) /*keep going through each */ { /*character of the string */ length++; ... [ Continue reading... ]
/* Program to accept two strings and concatenate them i.e.The second string is appended to the end of the first string */ #include <stdio.h> #include <string.h> void main() { char string1[20], string2[20]; int i,j,pos; strset(string1, '\0'); /*set all occurrences in two strings to NULL*/ strset(string2,'\0'); printf("Enter the first string :"); ... [ Continue reading... ]
/* Write a c program to swap the contents of two numbers using bitwise XOR operation. Don't use either the temporary variable or arithmetic operators */ #include <stdio.h> void main() { long i,k; printf("Enter two integers\n"); scanf("%ld %ld",&i,&k); printf("\nBefore swapping i= %ld and k = %ld",i,k); i = i^k; k = i^k; i = i^k; printf("\nAfter swapping i= %ld and k =... [ Continue reading... ]
/* Write a c program to find whether a given year is leap year or not */ #include <stdio.h> void main() { int year; printf("Enter a year\n"); scanf("%d",&year); if ( (year % 4) == 0) printf("%d is a leap year",year); else printf("%d is not a leap year\n",year); } /*------------------------------------------ Output Enter a year 2000 2000 is a leap year RUN2 Enter a year 2007 2007 is not a leap... [ Continue reading... ]
/* Write a c program to compute the surface area and volume of a cube */ #include <stdio.h> #include <math.h> void main() { float side, surfArea, volume; printf("Enter the length of a side\n"); scanf("%f", &side); surfArea = 6.0 * side * side; volume = pow (side, 3); printf("Surface area = %6.2f and Volume = %6.2f\n", surfArea, volume); ... [ Continue reading... ]
/* Write a C program to accept a string and a substring and check if the substring is present in the given string */ #include<stdio.h> #include<conio.h> void main() { char str[80],search[10]; int count1=0,count2=0,i,j,flag; clrscr(); puts("Enter a string:"); gets(str); puts("Enter search substring:"); gets(search); while (str[count1]!='\0') count1++; while (search[count2]!='\0') ... [ Continue reading... ]
/* Write a C program to accept an integer and reverse it */ #include <stdio.h> void main() { long num, rev = 0, temp, digit; printf("Enter the number\n"); /*For better programming,choose 'long int' */ scanf("%ld", &num); temp = num; while(num > 0) { digit = num % 10; rev = rev * 10 + digit; num /= 10; } printf("Given number = %ld\n", temp); printf("Its reverse is = %ld\n",... [ Continue reading... ]
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