Neeraj Mishra

A crazy computer and programming lover. He spend most of his time in programming, blogging and helping other programming geeks.

Transpose of Matrix in C

Array

Here is the program for transpose of matrix in C. We first read a matrix of size mxn and then find its transpose by just interchanging the rows and columns i.e. rows become columns and columns become rows. Transpose of Matrix in C #include<stdio.h> int main() { int a[5][5],i,j,m,n; printf(“How many rows?”); scanf(“%d”,&n); printf(“How many …

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C program which reads a text and count all occurrences of a particular word

String

#include<stdio.h> #include<conio.h> #include<string.h> void main() { int i=0,j=0,count=0; char str1[100],str2[20],str3[20]; clrscr(); printf(“Enter the text: “); gets(str1); printf(“Enter word to count: “); gets(str2); while(str1[i]!=”) { while(str1[i]!=’ ‘&&str1[i]!=”) //copying the word from the text to a new string str3[j++]=str1[i++]; str3[j]=”; //assigning null character at the end of string j=0; if((strcmpi(str2,str3))==0) //comparing the given word with the copied …

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C program that reads a file containing integers and appends at its end the sum of all the integers

File Handling

#include<stdio.h> #include<conio.h> #include<process.h> main() { int a,i,n,sum=0; FILE *fp; clrscr(); //Writing numbers to the file fp=fopen(“DATA”,”w”); if(fp==NULL) { printf(“File could not open!!”); exit(0); } printf(“How many numbers?”); scanf(“%d”,&n); printf(“Enter numbers in the file:n”); for(i=0;i<n;++i) { scanf(“%d”,&a); putw(a,fp); } fclose(fp); //Reading the file and doing sum fp=fopen(“DATA”,”r”); if(fp==NULL) { printf(“File could not open!!”); exit(0); } while((a=getw(fp))!=EOF) …

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C program to read integer numbers from a file named DATA and then write all odd numbers to a file named ODD and all even numbers to a file named EVEN

File Handling

#include<stdio.h> #include<conio.h> #include<process.h> void main() { int a,n,i; FILE *fp1,*fp2,*fp3; clrscr(); fp1=fopen(“DATA”,”w”); if(fp1==NULL) { printf(“File could not open!!”); exit(0); } printf(“How many numbers?”); scanf(“%d”,&n); printf(“Enter contents of DATA file:n”); for(i=0;i<n;++i) { scanf(“%d”,&a); putw(a,fp1); } fclose(fp1); fp1=fopen(“DATA”,”r”); fp2=fopen(“ODD“,”w”); fp3=fopen(“EVEN”,”w”); if(fp1==NULL||fp2==NULL||fp3==NULL) { printf(“File could not open!!”); exit(0); } while((a=getw(fp1))!=EOF) { if(a%2!=0) putw(a,fp2); else putw(a,fp3); } fclose(fp1); fclose(fp2); …

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5 Best Online Compilers

Programming

Here you will get list of 5 best online compilers. Are you getting bored of using c, c++, java or any other compilers in your computer? If yes then here I come with a solution. In this article I am going to share some websites that provide facility to compile and run programs of different …

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