Series=40-38+36-........n

Series=40-38+36-........n

 

 

//Series=40-38+36-........n

#include<stdio.h>

int main(){

    int n,sum,increase,term;

    scanf("%d",&n);

    sum=0;

    increase=40;

    for(term=0;term<n;term++){

        if(term%2==0)

            sum+=increase;

        else

            sum-=increase;

        increase-=2;

    }

    printf("The summation of the series id %d\n",sum);

    return 0;

}

Second to Hour /Min convert

Second to Hour /Min  convert

 

#include <stdio.h>

main()

{

    int x,y,hour,min,sec,total;

    printf("Total secend= ");

    scanf("%d",&total);

    hour=total/3600;

    printf("%d Hour\n",hour);

    x=total%3600;

    min=x/60;

    printf("%d Minute\n",min);

    y=total/60;

    sec=total-60*y;

    printf("%d Second\n",sec);

    return 0;

}

Namta

 

Namta

 

//Namta 

#include<stdio.h>

int main()

{

    int n,i,sum=1;

    printf("Enter the Number : ");

    scanf("%d",&n);

    for (i=1; i<=10; i++)

    {

        printf("%d*%d =",n,i);

        sum=n*i;

        printf(" %d",sum);

        printf("\n");

    }

    return 0;

}

Celsius to Fahrenheit

 

Celsius to Fahrenheit

 

#include <stdio.h>

main()

{

    float C,F;

    printf("Temperature of Celsius= ");

    scanf("%f",&C);

    F= (C+32)*9/5;

    printf("Temperature of Fahrenheit= %.2f",F);

}

Area of the circle

Area of the circle

 

#include<stdio.h>

#include<math.h>

main()

{

    float a,b,x,y,dist,rad,area;

    printf("\nEnter first point a,b = \n");

    scanf("%f %f",&a,&b);

    printf("\n\nEnter another point x,y = \n");

    scanf("%f %f",&x,&y);

    dist = sqrt((a-x)*(a-x)+(b-y)*(b-y));

    rad = dist/2;

    area = 3.1416*rad*rad;

    if(dist>1)

    printf("\n\nArea of the circle is = %f\n",area);

    else

        printf("no circle!!! how i can compute the area");

    return 0;

}

Quotient and Remainder

Quotient and Remainder

 

#include<stdio.h>

int main()

{

    int a,b,Quotient,Remainder;

    printf("Enter your numbers: \n");

    scanf("%d%d",&a,&b);

    if (b==0)

    {

        printf("\n\nError!! can't divide\n\n");

    }

    else

    {

        Quotient=a/b;

        Remainder=a%b;

        printf("\nQuotient= %d\nRemainder=%d\n",Quotient,Remainder);

    }

    return 0;

}

s=80+75+70+........

 

s=80+75+70+........

//s=80+75+70+........

#include<stdio.h>

main()

{

    int n,a=80,d=-5,sum=0,term;

    printf("ENTER N=");

    scanf("%d",&n);

    term=a+(n-1)*d;

    for(a=80;a>=term;a=a-5)

    {

        sum=sum+a;

    }

    printf("ANS=%d",sum);

}

1+3+5+......UP TO 9

1+3+5+......UP TO 9

//1+3+5+......UP TO 9

#include<stdio.h>

main()

{

    int n,a=1,d=2,sum=0,term;

    printf("ENTER N=");

    scanf("%d",&n);

    term=a+(n-1)*d;

    for(a=1;a<=term;a=a+2)

    {

        sum=sum+a;

    }

    printf("ANS=%d",sum);

}

1+2+4+7+11......up to numbers

1+2+4+7+11......up to numbers

 

//1+2+4+7+11......up to numbers

#include<stdio.h>

main()

{

    int i,sum=1,n,sum1=0;

    printf("enter number");

    scanf("%d",&n);

    for(i=0;i<n;i++)

    {

        sum=sum+i;

        sum1=sum1+sum;

    }

    printf("result=%d",sum1);

}

(1.2.3)+(2.3.4)+(3.4.5)+........n

(1.2.3)+(2.3.4)+(3.4.5)+........n

 

//1.2.3+2.3.4+3.4.5+........n

#include<stdio.h>

int main()

{

    int n,i,sum=0;

    printf("enter number= ");

    scanf("%d",&n);

    for(i=1;i<=n;i=i++)

         sum=sum+(i+1)*i*(i+2);

    {

    printf("\n%d\n",sum);

    }

}

(1.2)+(3.4)+(5.6)+............n

 

1.2+3.4+5.6+............n

 

//1.2+3.4+5.6+............n

#include<stdio.h>

int main()

{

    int n,i,sum=0;

    printf("enter number= ");

    scanf("%d",&n);

    for(i=2;i<=n;i=i+2)

         sum=sum+(i-1)*i;

    {

    printf("\n%d\n",sum);

    }

}

1+(1/2)+(1/3)+(1/4)+.............+n

 

1+(1/2)+(1/3)+(1/4)+.............+n

 

//1+(1/2)+(1/3)+(1/4)+.............+n

#include<stdio.h>

int main()

{

    int n,i;

    float sum=0;

    printf("enter number= ");

    scanf("%d",&n);

    for(i=1;i<=n;i++)

         sum=sum+1.0/i;

    {

    printf("\n%.2f\n",sum);

    }

}