#include<iostream.h>#include<conio.h> void main(){ clrscr(); //to clrscr the screen int i,n; float sum=0,x,a=1; cout<<“1/2+4/5+7/8+……”; cout<<“nnHow many terms(ex: 1,2,3…n)?”; cin>>n; for(i=0;i<n;++i) { x=a/(a+1); sum+=x; a+=3; } cout<<“nSum=”<<sum; getch(); //to stop the screen}
#include<stdio.h>#include<conio.h> void main(){ int i,n,sum=0; clrscr(); //to clear the screen printf(“1^2+3^2+5^2+…..+n^2”); printf(“nnEnter value of n:”); scanf(“%d”,&n); for(i=1;i<=n;i+=2) sum+=i*i; printf(“Sum=%d”,sum); getch(); //to stop the screen}
#include<iostream.h>#include<conio.h>#include<math.h> void main(){ clrscr(); //to clear the screen long i,n,x,sum=1; cout<<“1+x+x^2+……+x^n”; cout<<“nnEnter the value of x and n:”; cin>>x>>n; for(i=1;i<=n;++i) sum+=pow(x,i); cout<<“nSum=”<<sum; getch(); //to stop the screen}
#include<stdio.h> #include<conio.h> void main() { int i,j,k,n; clrscr(); //to clear the screen printf(“How many lines?”); scanf(“%d”,&n); for(i=0;i<n;++i) { printf(“n”); for(j=0;j<i;++j) printf(” “); for(k=n;k>i;–k) printf(“*”); } getch(); //to stop the screen }
#include<iostream.h>#include<conio.h> void main(){ clrscr(); //to clear the screen int i,j,k,n; cout<<“How many lines?”; cin>>n; for(i=0;i<n;++i) { cout<<“n”; for(j=0;j<i;++j) cout<<” “; for(k=n;k>i;–k) cout<<“*”; } getch(); //to stop the screen}
#include<stdio.h> #include<conio.h> void main() { int i,j,n; clrscr(); //to clear the screen printf(“Enter size of the square:”); scanf(“%d”,&n); for(i=0;i<n;++i) { printf(“n”); for(j=0;j<n;++j) { if(i==0||i==n-1||j==0||j==n-1) printf(“*”); else printf(” “); } } getch(); //to stop the screen }
#include<iostream.h>#include<conio.h> void main(){ clrscr(); //to clear the screen int i,j,n; cout<<“Enter size of the square:”; cin>>n; for(i=0;i<n;++i) { cout<<“n”; for(j=0;j<n;++j) { if(i==0||i==n-1||j==0||j==n-1) cout<<“*”; else cout<<” “; } } getch(); //to stop the screen}
#include<stdio.h> #include<conio.h> void main() { int i,j,k,n; clrscr(); //to clear the screen printf(“How many lines?”); scanf(“%d”,&n); n*=2; for(i=0;i<n;i+=2) { for(j=n-2;j>i;j-=2) printf(” “); for(k=0;k<=i;++k) printf(“*”); printf(“n”); } for(i=0;i<n;i+=2) { for(j=0;j<i;j+=2) printf(” “); for(k=n-1;k>i;–k) printf(“*”); printf(“n”); } getch(); //to stop the screen }
