Fundamentals of C + + programming 128-programming exercise one

1 //28-programming exercise one. CPP: Defines the entry point of the console application. 2 //3 4#include"stdafx.h"5#include <iostream>6#include <climits>7#include <array>8#include <string>9#include <math.h>Ten   One using namespacestd; A  - intMain () - { the   //1. What does the following code print?  -     inti; -      for(inti =0; I <5; i++) -cout <<i; +cout <<Endl; -     //Answer: 01234 +  A   //2. What the following code will print at     intJ; -      for(j =0; J < One; J + =3) -cout <<J; -cout << Endl << J <<Endl; -     //Answer: 0369 -     // A in     //  -      to   //3. What will be printed on the next generation?  +     intf =5; -      while(++f <9)//There is no difference when using ++i and i++ alone, but there are differences when placed in an expression.  thecout << f++ << Endl;//i++ will first use the value of I for expression operations, after the end I again self-increment, the ++i will be self-increment and then perform the operation of the expression.  *     //Answer: 6 $     //8Panax Notoginseng     // -  the   //4. What does the following code print?  +     intK =8; A      Do thecout <<"k="<< k <<Endl; +      while(K++ <5); -     //Answer: $     //k=8 $     // -       -   //5. Write a For loop that prints 1 2 4 8 16 32 64 the         //method One: do and loop -     inttemp =1;Wuyi     intindex =0; the      Do -     { Wucout << Temp <<Endl; -Temp *=2; Aboutindex++; $} while(index<7); -      -         //method Two: For Loop -     intTemp2 =1; A      for(intI=0;i<7; i++) +     { theTemp2 =int(Pow (2, i)); -cout << Temp2 <<Endl; $     } the         //method Three: First cycle the storage, then traverse the output.  thearray<int,7>array1{}; the      for(inti =0; i<7; i++) the     {  -Array1[i]= Pow (2, i); in     } the      the      for(intTEMP:ARRAY1)//can only take temp corresponding value, cannot set the value, wants to set the temp corresponding array the value to use int& temp:array1 About     { thecout << Temp <<Endl; the     } the  +         //method Four: The simplest -      for(inti =1; I <= -; I *=2) the     {Bayicout << i <<Endl; the     } the  -   //6. Write a program that allows the user to enter two integers and output the and of all integers between the two integers, including the two integers. For example, 2 5 contains 2 4 5 all integers and one for each -  the     intNUM1; the     intnum2; the     intnum3=0; the       -cout <<"Please enter a total of two integers:"<<Endl; theCIN >>NUM1; theCIN >>num2; thecout <<"the two numbers entered are:"<<num1 <<"  "<< num2<<Endl;94     if(Num1 >num2) the     { the         inttemp; thetemp =NUM1;98NUM1 =num2; Aboutnum2 =temp; -     }101      for(inti = NUM1; I <= num2; i++)102     {103cout << i <<"  ";104num3 = num3 +i; the     }106cout <<"their and for:"&LT;&LT;NUM3 <<Endl;107 108     //7. Write a program that allows the user to continuously enter a number, each time the number is entered, report all the current input and. When the user enters 0, the program ends. 109     //method One: the     intalnum=0;111     intinpnum=2; the      while(inpnum!=0)113     { thecout <<"Please enter a number:"<<Endl; theCIN >>Inpnum; theAlnum + =Inpnum;117cout <<"the current input and is:"<< Alnum <<Endl;;118     }119     //Method Two: -     floatTotal =0;121      while(true)122     {123cout <<"Please enter a number:";124         floatNumber ; theCIN >>Number ;126         if(Number = =0)127         { -              Break;//Break statement jumps out of loop129         } theTotal + =Number ;131cout <<"all currently entered and are:"<< Total <<Endl; the     }133 134     intT;135CIN >>T;136     return 0;137}

Fundamentals of C + + programming 128-programming exercise one