Question

I am trying to run this program in Visual Studio 2017. I keep getting this build error: error MSB8036: The Windows SDK version 8.1 was not found. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solution". 1>Done building project "ConsoleApplication2.vcxproj" -- FAILED.

#include <iostream>

#include<cstdlib>

#include<fstream>

#include<string>

using namespace std;

void showChoices()

{

cout << "\nMAIN MENU" << endl;

cout << "1: Addition " << endl;

cout << "2: Subtraction" << endl;

cout << "-1: Quit the program " << endl;

cout << "Enter your choice :";

}

long add(long a, long b)

{

return a + b;

}

long subtract(long a, long b)

{ if(a>b)

return (a - b);

else

return (b - a);

}

int main()

{

long x, y,dc=1,d=0,nc=0,t;

int choice;

char ch[5]={'a','b','c','d','e'},ch1;

int option[4];

string username,filename,date;

bool flag=false;

ofstream myReadFile;

  

int dlevel,i=0,nch=0,index,attempt=0;

cout<<"Eneter User Name:";

cin>>username;

//cout<<"Eneter file Name:";

//cin>>filename;

cout<<"Eneter the Date:";

cin>>date;

filename.append(".txt");

myReadFile.open("score.txt");

cout<<"Enter Difficulty Level:";

cin>>dlevel;

while(i<dlevel)

{

dc*=10;

i++;

}

  

myReadFile<<"name:"<<username<<" level:"<<dlevel<<" Date"<< date <<endl;

while(1)

{

showChoices();

x=rand()%dc+1;

y=rand()%dc+1;

cin.clear();

fflush(stdin);

cin >> choice;

if(!((choice>=1&&choice<=2)))

break;

switch (choice)

{

case 1:

cin.clear();

fflush(stdin);

for(i=0;i<4;i++)

option[i]=rand()%(dc);

index=rand()%4;

option[index]=add(x,y);

cout<<"Sum(X+Y) of"<<x<<" and "<<y<<" is:"<<endl;

for(i=0;i<4;i++)

cout<<"\n("<<ch[i]<<") "<<option[i];

cout<<"\n(e)Non of the Above";

while(!flag&&attempt<3)

{

cout<<"\nEnter you Choice: ";

cin>>ch1;

for(i=0;i<4;i++)

if(ch[i]==ch1)

break;

if(i==index)

{

d++;

cout<<"\nCongrats Correct choice";

flag=true;

}

attempt++;

}

if(attempt==3)

nc++;

attempt=0;flag=false;

if(i==index)

myReadFile<<"Sum(X+Y) of"<<x<<" and "<<y<<" is correct in:"<<attempt<<"attempt"<<endl;

else

myReadFile<<"Sum(X+Y) of"<<x<<" and "<<y<<" is incorrect in:"<<attempt<<"attempt"<<endl;

break;

case 2:

attempt=0;

cin.clear();

fflush(stdin);

flag=false;

for(i=0;i<4;i++)

option[i]=rand()%(dc-d+1)+d;

index=rand()%4;

option[index]=subtract(x,y);

if (x<y)

{

t=x;

x=y;

y=t;}

cout<<"Subtraction of"<<x<<" and "<<y<<" is:"<<endl;

for(i=0;i<4;i++)

cout<<"\n("<<ch[i]<<") "<<option[i];

cout<<"\n(e)Non of the Above";

while(!flag&&attempt<3)

{

cout<<"\nEnter you Choice: ";

cin>>ch1;

for(i=0;i<4;i++)

if(ch[i]==ch1)

break;

if(i==index)

{

d++;

cout<<"\nCongrats Correct choice";

flag=true;

}

attempt++;

}

if(attempt==3)

nc++;

attempt=0;flag=false;

if(i==index)

myReadFile<<"Subtraction of"<<x<<" and "<<y<<" is correct in:"<<attempt<<"attempt"<<endl;

else  

myReadFile<<"Subtraction of"<<x<<" and "<<y<<" is incorrect in:"<<attempt<<"attempt"<<endl;

break;

default:

cout << "Invalid input" << endl;

}

}

myReadFile<<"Correct Answer:"<<d<<"\n"<<"Correct Answer:"<<nc;

myReadFile.close();

return 0;

}

Answer 1

1) You can Run Online

2) If you want to fix it , Please do the following.

a) Run the Visual Studio 2017 Installer,
b) Go to 'Individual Components' and select Windows 8.1 SDK.
3) Go back to to the project > Right click and Re-target to match the SDK


Do the following, here

Workloads Individual components Language packs Cordova 6.3.1 toolset Entity Framework 6 tools Graphics Tools Windows 8.1 SDK Java SE Development Kit (8.0.1120.15) MFC and ATL support (x86 and x64) Modeling SDK TypeScript 2.0 SDK TypeScript 2.1 SDK Visual ATL support Visual Studio SDK Windows 10 SDK (10.0.10240.0) Windows 10 SDK (10.0.10586.0) Windows 10 SDK (10.0.14393.0) Windows 10 SDK (10.0.15063.0) for Desktop C++ x86 and x64 Windows 10 SDK (10.0.1 5063.0) for UWP: C#, VB, JS