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What is the use of printf() and scanf() functions?


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More C Interview Questions

int a=2,b=3,c=4; printf("a=%d,b=%d\n",a,b,c); what is the o/p?

6 Answers   Verifone,


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the factorial of non-negative integer n is written n! and is defined as follows: n!=n*(n-1)*(n-2)........1(for values of n greater than or equal to 1 and n!=1(for n=0) Perform the following 1.write a c program that reads a non-negative integer and computes and prints its factorial. 2. write a C program that estimates the value of the mathematical constant e by using the formula: e=1+1/!+1/2!+1/3!+.... 3. write a c program the computes the value ex by using the formula ex=1+x/1!+xsquare/2!+xcube/3!+....

2 Answers   Ignou,


what is the difference between strcpy() and memcpy() function?

2 Answers  


the number 138 is called well ordered number because the three digits in the number (1,3,8) increase from left to right (1<3<8). the number 365 is not well ordered coz 6 is larger than 5. write a program that wull find and display all possible three digit well ordered numbers. sample: 123,124,125,126,127,128,129,134 ,135,136,137,138,139,145,146,147 148 149,156.......789

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Is the C language is the portable language...If yes...Then Why...and if not then what is problem so it is not a Portable language..???

2 Answers   TCS,


Can we assign integer value to char in c?

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main() { char x; while(x=0;x<=255;x++) printf("\nAscii value %d Charater %c",x,x); }

2 Answers  


What is the difference b/w main() in C language and main() in C++.

7 Answers  


What is the use of static variable in c?

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Write a C program to remove the repeated characters in the entered expression or in entered characters(i.e) removing duplicates

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How many bytes are occupied by near, far and huge pointers (dos)?

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