day7.cpp

//WAP to display multiplication table upto 10
[200~#include<iostream>
using namespace std;
int main(){
		int n;
			cout<<"enter a number:";
				cin>>n;

					for(int i=1; i<=10; ++i){
								cout<<n<<"*"<<i<<"="<<n*i<<endl;
									}
						return 0;
}
//WAP to add only positive nos.
#include<iostream>
using namespace std;
int main(){
	int number;
	int sum=0;
	cout<<"enter a number:";
	cin>>number;

	while(number>=0){
		sum+=number;
		cout<<"enter a number:";
		cin>>number;
	}
	cout<<"\n the sum is"<<sum<<endl;

	return 0;
}
//WAP to print all odd nos. til n
#include<iostream>
using namespace std;
int main(){
	int n;
	cout<<"enter a number:";
	cin>>n;

	for (int i-1; i<=n; i++){
		if(n%2==0){
			continue;
		}
		cout<<i<<endl;
	}
	return 0;
}

//WAP to find whether an alphabet ia a vowel or a consonan#include<iostream>
using namespace std;
int main(){
	char c;
	cout<<"enter a alphabet:";
	cin>>c;

	switch(c)
	{
		
		
		case'a':
		cout<<"It is a vowel"<<endl;
		break;
		
		case'e':
		cout<<"It is a vowel"<<endl;
		break;
		
		case'i':
		cout<<"It is a vowel"<<endl;
		break;
		
		case'o':
		cout<<"It is a vowel"<<endl;
		break;
		
		case'u':
		cout<<"It is a vowel"<<endl;
		break;
	}
	return 0;
}


#include<stdio.h>
int main()
{
int a = 5;
a = 1, 2, 3;
printf("%d", a);
return 0;
}

//(Priority for the values assigned to any variable is given from left to right)
#include<stdio.h>
int main()
{
int a;
a = (1, 2, 3);
printf("%d", a);
return 0;
}
//(Priority for the values inside a brackets () assigned to any variable is
//given from right to left)
#include<stdio.h>
int main()
{
int x = 2;
(x & 1) ? printf("true") : printf("false");
return 0;
}
//Ans. False
//(As & is a unary operator we have to assume all decimal values to
//binary(0's and 1's)
//210 = 000000102
//Now we go for condition (00000010 & 00000001)
//Clearly, condition false as it leads to 0 when multiplied)
#include <iostream>
using namespace std;

int main() {
    int n;
    long double factorial = 1.0;

    cout << "Enter a positive integer: ";
    cin >> n;

    if (n < 0)
        cout << "Error! Factorial of a negative number doesn't exist.";
    else {
        for(int i = 1; i <= n; ++i) {
            factorial *= i;
        }
        cout << "Factorial of " << n << " = " << factorial;    
    }

    return 0;
}

#include <iostream>
using namespace std;

int main() {
    int n, t1 = 0, t2 = 1, nextTerm = 0;

    cout << "Enter the number of terms: ";
    cin >> n;

    cout << "Fibonacci Series: ";

    for (int i = 1; i <= n; ++i) {
        // Prints the first two terms.
        if(i == 1) {
            cout << t1 << ", ";
            continue;
        }
        if(i == 2) {
            cout << t2 << ", ";
            continue;
        }
	nextTerm = t1 + t2;
        t1 = t2;
        t2 = nextTerm;

        cout << nextTerm << ", ";
    }
    return 0;
}