C++
Programming Basics
Practice problems and improve your skills.
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THEORY
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# Programming Basics
This topic contains 100 C++17 exercises arranged from basic practice to harder applications. Read input with standard streams, keep output exact, and prefer clear code over unnecessary tricks.
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PRACTICE
Problems
Solve problems from easy to hard and build your skills step by step.
100
problems
01
Sum of Two Numbers
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02
Difference of Two Numbers
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03
Product of Two Numbers
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04
Double Sum
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05
Sum of Two Squares
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06
Square of Difference
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07
Arithmetic Expression
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08
Rectangle Perimeter
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09
Rectangle Area
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10
Absolute Difference
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11
Quotient and Remainder
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12
Last Decimal Digit
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13
Tens Digit
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14
Hundreds Digit
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15
Minutes to Hours
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16
Seconds to Clock
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17
Pages Needed
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18
Full Boxes
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19
Remaining Seats
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20
Next Multiple Distance
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21
Average of Two
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22
Kilometers to Miles
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23
Celsius to Fahrenheit
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24
Circle Area
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25
Circle Circumference
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26
Triangle Area
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27
Simple Interest
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28
Speed
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29
Body Mass Index
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30
Weighted Average
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31
Maximum of Two
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32
Minimum of Two
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33
Sign of Number
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34
Even or Odd
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35
Equal Numbers
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36
Larger Absolute Value
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37
Divisible Check
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38
Leap Year
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39
Inside Inclusive Range
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40
Triangle Exists
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41
Both Positive
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42
At Least One Positive
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43
Exactly One Positive
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44
Same Parity
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45
Opposite Signs
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46
Two-Digit Number
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47
Divisible by 3 or 5
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48
Divisible by 3 but Not 9
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49
Outside Interval
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50
Point in First Quadrant
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51
Grade by Score
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52
Age Category
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53
Temperature Category
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54
Day Type
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55
Quarter by Month
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56
Number of Solutions for ax=b
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57
Traffic Light
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58
Chessboard Color
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59
Maximum of Three
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60
Median of Three
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61
Sum of Digits of Three-Digit Number
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62
Product of Digits of Three-Digit Number
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63
Reverse Three Digits
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64
First Digit of Four-Digit Number
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65
Sum of First and Last Digits
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66
Swap Middle Digits
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67
All Digits Equal
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68
Contains Digit Seven
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69
Digits Strictly Increasing
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70
Largest Digit of Three
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71
Point on Axis
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72
Point at Origin
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73
Same Half-Plane by X
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74
Same Quadrant
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75
Manhattan Distance
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76
Point Inside Rectangle
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77
Intervals Intersect
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78
Intersection Length
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79
Nearest Endpoint
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80
Distance to Interval
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81
Purchase Cost
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82
Discounted Price
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83
Taxi Fare
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84
Paint Cans
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85
School Desks
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86
Battery Runtime
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87
Data Packets
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88
Workers Needed
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89
Change from Payment
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90
Total with Tax
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91
Sort Three Numbers
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92
Clamp to Range
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93
Nearest of Two
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94
Chess King Move
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95
Chess Rook Move
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96
Chess Bishop Move
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97
Days in Month
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98
Next Even Number
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99
Round Up to Ten
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100
Three Numbers in Nondecreasing Order
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