Online course

SCRATCH

PYTHON

C++

Introduction

Datatypes

Variables

Operators

Assignment

Input/output

If condition

Arrays

Functions

For loop unplugged

For loop

While loop unplugged

While loop

1) Write a for loop statement which displays in descending order values 100 99 98…3 2 1

2) Write for loop statements which display the next pairs:
(1,1) (1,2)…(1,10) (2,2) (2,3)…(2,10) (3,3) (3,4)……(10,10)

1) for(i=100; i>=1;i--)

cout<<i<<” “;

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

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

cout<<’(‘<<i<<’,’<<j<<’)’<<’ ‘;