The Programs

Sum Of MatricesSum Of Matrices

Product Of Matricescout<<"Enter second matrix row cout<<"Enter second matrix row wise";wise";for(i = 0; i<p; ++i)for(i = 0; i<p; ++i)for(j = 0; j<q; ++j)for(j = 0; j<q; ++j)cin>>B[i][j];cin>>B[i][j];cout<<“product of the given two cout<<“product of the given two matrix is : “;matrix is : “;for(i = 0; i<m; ++i)for(i = 0; i<m; ++i){ cout<<“\n”;{ cout<<“\n”;for(j = 0; j<n; ++j)for(j = 0; j<n; ++j){ C[i][j] = 0;{ C[i][j] = 0;C[i][j] = C[i][j] + A[i][k] * B[k][j];C[i][j] = C[i][j] + A[i][k] * B[k][j];cout<< C[i][j] << “ “;cout<< C[i][j] << “ “;}} }} }}else else cout<<“\n the matrices are not cout<<“\n the matrices are not compatible for multiplication “;compatible for multiplication “;getch(); getch(); }}

Linear Search

Palindrome (string)

Stats of text#include<iostream.h>#include<conio.h>#include<process.h>void textstat( char str[], int &lc, int &wc, int &cc);void main(){ clrscr();char str[255] = “ Hi how are you !! ”;int lc, wc, cc;cout<<“\n Enter any string (~ to terminate) : “;cin.getline(str, 255,’~’)textstat(str, lc, wc, cc);cout<< “number of lines in the string are: “<< lc;cout<< “number of words in the string are: “<< wc;cout<< “number of characters in the string are: “<< cc;getch();}int wordcount(char str[]){ int count = 1;for (int i = 0; str[i] ‘\0’; ++i){ if (str[i] == ‘i’ || str[i] == ‘\n’){count ++;while (str[i] ==‘ ‘)i++; }

if (str[i]==‘\0’)i--;}return count;}int charcount(char str[])int count = 0;for (int i = 0; str[i] ‘\0’; ++i)count++;return count;}int linecount(char str[]){ int count = 1;for (int i = 0; str[i] ‘\0’; ++i)if(str[i]==‘\n’)count++;return count;}void textstat( char str[], int &lc, int &wc, int &cc){ lc = linecount(str); wc = wordcount(str); cc = charcount(str);}

Nested structures#include<iostream.h>

#include<conio.h>

#include<stdio.h>

struct addr

{ int houseno;

char area[25];

char city[25];

char state[25];

};

struct emp

{

int empno;

char name[25];

char desig[25];

addr address;

float basic;

} worker;

int main ()

{ clrscr();

cout<<" \n Enter employee number:"

cin>>worker.empno;

cout<<" \n Enter name:"

gets(worker.name);

cout<<" \n Enter Designation:"

gets(worker.desig);

cout<<" \n Enter House no. :"

gets(worker.address.houseno);

cout<<" \n Enter Area"

gets(worker.address.area);

cout<<" \n Enter city

getsworker.address.city);

cout<<" \n Enter state"

gets(worker.address.state);

cout<<" \n Enter Basic pay "

cin>>worker.basic;

return0;

}

Student’s Result #include<iostream.h>

#include<conio.h>

#include<stdio.h>

struct student

{

int rollno;

char name[25];

float marks;

char grade;

};

student learner;

void main ()

{

clrscr();

cout<<" \n Enter roll number:"

cin>>learner.rollno;

cout<<" \n Enter name:"

gets(learner.name);

cout<<" \n marks in 5 subjects:"

for (int i = 0;i < 5 ; ++i)

{

cout<<"Subject"<< i + 1 <<": ";

cin>>learner.marks[i];

}

float avg, total = 0;

for (int i = 0;i < 5 ; ++i)

total += sum[i];

avg = total/ 5;

if (avg < 50) learner.grade = 'F';

else if (avg < 60) learner.grade = 'C';

else if (avg < 80) learner.grade = 'B';

else lerner.grade = 'A'

cout<<" \n Student's Result :"

cout<<" \n roll number :"<<learner.rollno;

cout<<" \n Name :'

puts(learner.name);

cout<<" \n Total marks :"<< total;

cout<<" \n Grade :"<<learner.grade <<endl;

}

cout<<" \n Enter Basic pay "

cin>>worker.basic;

return 0;

}

Equality of strings

The later Date#include<iostream.h>#include<iostream.h>

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

#include<process.h>#include<process.h>

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

date later ( dateS1, dateS2);date later ( dateS1, dateS2);

void main()void main()

{ clrscr();{ clrscr();

struct date { int day;struct date { int day;

int month;int month;

int year;int year;

}d1, d2;}d1, d2;

cout<<"enter first date";cout<<"enter first date";

cout<<"enter day";cout<<"enter day";

gets(d1.day);gets(d1.day);

cout<<"enter month";cout<<"enter month";

gets(d1.month);gets(d1.month);

cout<<"enter year";cout<<"enter year";

gets(d1.year);gets(d1.year);

cout<<"\n";cout<<"\n";

cout<<"enter second date";cout<<"enter second date";

cout<<"enter day";cout<<"enter day";

gets(d2.day);gets(d2.day);

cout<<"enter month";cout<<"enter month";

gets(d2.month);gets(d2.month);

cout<<"enter year";cout<<"enter year";

gets(d2.year);gets(d2.year);

date later (date S1, date S2)date later (date S1, date S2)

getch();getch();

}}

date later (date S1, date S2)date later (date S1, date S2)

{{

if (S2.year > S1.year)if (S2.year > S1.year)

cout<< S2;cout<< S2;

else if (S1.year > S2.year)else if (S1.year > S2.year)

cout<< S1;cout<< S1;

else if (S1.month > S2.month)else if (S1.month > S2.month)

cout<< S1;cout<< S1;

else if (S1.month < S2.month)else if (S1.month < S2.month)

cout<< S2;cout<< S2;

else if (S2.day > S1.day)else if (S2.day > S1.day)

cout<< S2;cout<< S2;

else else

cout<< S1;cout<< S1;

}}