Index of programs:Set 5

Decimal to binary and octact

Matrix Sum

Matrix Transpose

String reverse without using function

Sort in alpahbetic order

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Program1:
#include<math.h> #include<iostream.h> #include<conio.h> /* Author : Rohith.R Email : rrohithr@gmail.com Category : Begineer Program : To convert decimal no to binary and octal Meant For: Plus One students,Kerala */ void main() { int bin(int),oct(int),n,x,y; clrscr(); cout<<"\n Enter number"; cin>>n; n=abs(n); //Only absolute value is taken x=bin(n); y=oct(n); cout<<"\n The binary equivalent is "<<x; cout<<"\n The octal equivalent is "<<y; cout<<"\n Press any key to coninue"; getch(); } int bin(int m) { int i=0,r=0,y; while(m!=0) { y=m%2; r=r+y*pow(10,i); m=m/2; i++; } return(r); } int oct(int m) { int i=0,r=0,y; while(m!=0) { y=m%8; r=r+y*pow(10,i); i++; m=m/8; } return(r); }

Program 2:

#include<iostream.h> #include<conio.h> /* Author : Rohith.R Email : rrohithr@gmail.com Category : Begineer Program : To find sum of given two matrices Meant For: Plus One students,Kerala */ void main() { int a[50][50],b[50][50],s[50][50],m,n,i,j; clrscr(); cout<<"Enter number of rows:"; cin>>m; cout<<"Enter number of cols:"; cin>>n; clrscr(); cout<<"\n\nEnter the elements of Array 1:\n"; for(i=1;i<=m;i++) for(j=1;j<=n;j++) { cout<<"\nArray element["<<i<<"]["<<j<<"]"; cin>>a[i][j]; } cout<<"\n\nEnter the elements of Array 2:\n"; for(i=1;i<=m;i++) for(j=1;j<=n;j++) { cout<<"\nArray element["<<i<<"]["<<j<<"]"; cin>>b[i][j]; } for(i=1;i<=m;i++) for(j=1;j<=n;j++) s[i][j]=a[i][j]+b[i][j]; clrscr(); // PRINTING OF SUM OF TWO MATRICES cout<<"\n\n******************** MATRIX A ***************************\n\n"; for(i=1;i<=m;i++) { for(j=1;j<=n;j++) cout<<"\t\t"<<a[i][j]<<"\t\t"; cout<<"\n\n"; } cout<<"\n\n******************** MATRIX B ***************************\n\n"; for(i=1;i<=m;i++) { for(j=1;j<=n;j++) cout<<"\t\t"<<b[i][j]<<"\t\t"; cout<<"\n\n"; } cout<<"\n\n******************** MATRIX SUM ***************************\n\n"; for(i=1;i<=m;i++) { for(j=1;j<=n;j++) cout<<"\t\t"<<s[i][j]<<"\t\t"; cout<<"\n\n"; } cout<<"\n Press any key to continue"; getch(); }

Program 3:

#include<iostream.h> #include<conio.h> /* Author : Rohith.R Email : rrohithr@gmail.com Category : Begineer Program : To find transpose of a matrix Meant For : Plus One students,Kerala Hint :Can check whether matrix is symmetric or not using this program */ void main() { int a[25][25],b[25][25],m,n; clrscr(); cout<<"Enter number of rows:"; cin>>m; cout<<"Enter number of cols:"; cin>>n; for(int i=0;i<m;i++) for(int j=0;j<n;j++) cin>>a[i][j]; for(i=0;i<m;i++) for(j=0;j<n;j++) b[j][i]=a[i][j]; clrscr(); void origin(); { cout<<"\n\n************** MATRIX IN ORIGINAL FORM ***************\n\n"; for(i=0;i<m;i++) { for(j=0;j<n;j++) cout<<"\t\t"<<a[i][j]<<"\t"; cout<<"\n\n"; } } void transpose(); { cout<<"\n\n************* MATRIX IN TRANSPOSED FORM **************\n\n"; for(i=0;i<n;i++) { for(j=0;j<m;j++) cout<<"\t\t"<<b[i][j]<<"\t"; cout<<"\n\n"; getch(); } } }

Program 4:

#include<conio.h> #include<stdio.h> For using string function #include<iostream.h> /* Author : Rohith.R Email : rrohithr@gmail.com Category : Begineer Program : Reverse of a string without using function Meant For: Plus One students,Kerala */ void main() { clrscr(); cout<<"Enter the string:"; char name[100],rev[100]; int n; gets(name); for(int i=0;name[i]!='\0';i++); n=i; int j=0; for(i=n-1;i>=0;i--) { rev[j]=name[i]; j=j+1; } rev[j]='\0'; cout<<"\nGiven string is:"<<name; cout<<"\nThe reversed string is:"<<rev; cout<<"\nPress any key to continue"; getch(); }

Program5:

#include<iostream.h> #include<conio.h> #include<string.h> /* Author : Rohith.R Email : rrohithr@gmail.com Category : Begineer Program : To alphabetically sort a given list of names Meant For: Plus One students,Kerala */ void main() { clrscr(); char name[100][200],buck[100][200]; int n,v; cout<<"Enter limit:"; cin>>n; for(int i=1;i<=n;i++) { cout<<"Enter string:"; cin>>name[i]; } for(i=1;i<=n-1;i++) { for(int j=1;j<=n-i;j++) { v=strcmp(name[j],name[j+1]); if(v>0) { strcpy(buck[j],name[j]); strcpy(name[j],name[j+1]); strcpy(name[j+1],buck[j]); } } } cout<<"Sorted names are"; for(i=1;i<=n;i++) cout<<"\n"<<name[i]; cout<<"\n Press any key to continue"; getch(); }

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