global variables

geharbison (40)
In this code, I have defined the five score variables before anything else, and yet, the variables always remain zero. What am I doing wrong that is preventing them from being accessed anywhere in the program?
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#include <iostream>

using namespace std;

int score1, score2, score3, score4, score5;
void getScore(int &);
void calcAverage();
int findLowest(int);


int main ()

{
     cout<<"Welcome. The intent of this program is to intake five test scores from the \n";
     cout<<"user, take out the lowest score, and average them together. \n";
     cout<<"When asked to input a score, please do not enter a number less than 0 or higher than 100.\n";
      
     for (int count=1; count<=5; count++)
         {
             int test;
             getScore(test);
              
              switch (count)
     {case 1: test=score1;
          break;
     case 2: test=score2;
          break;
     case 3: test=score3;
          break;
     case 4: test=score4;
          break;
     case 5: test=score5;}
              
            
              
              
              
              
              
              }
              
         calcAverage();
         system ("pause");
         return 0;
}

void getScore(int &sco)

{
     
     
    
     {cout<<"Please enter a test score:";
     cin>>sco ;
     while (sco >100|| sco<0)
        {cout<<"Your entry is invalid, please try again: ";
        cin>>sco;}
        
        
     
}
}
     void calcAverage()
{
  int lowscore;   
  double average;   
     
     
    lowscore=findLowest(lowscore);
  

       if (score1==lowscore)
             {
              average=(score2+score3+score4+score5)/4.0;
              cout<<"The average of the four highest test scores is " <<average <<".";
              
                      
              }
       else
              {
                     if (score2==lowscore)
                     {
                       average=(score1+score3+score4+score5)/4.0;
              cout<<"The average of the four highest test scores is " <<average <<".";
                         }
                     else
                     {
                                 if (score3==lowscore)
                                 {
                                   average=(score2+score1+score4+score5)/4.0;
              cout<<"The average of the four highest test scores is " <<average <<".";
                                 }
                                 else
                                 {   
                                             if (score4==lowscore)
                                             {
                                               average=(score2+score3+score1+score5)/4.0;
              cout<<"The average of the four highest test scores is " <<average <<".";
                                             }
                                             else
                                             {
                                                         average=(score2+score3+score4+score1)/4.0;
              cout<<"The average of the four highest test scores is " <<average <<".";
                                             }
                                }

                       }
              }

}

int findLowest(int lowest)

{
    
        for(int tick=0; tick<5;)
       {     
           while (tick==0)
                { lowest=score1;
                tick++; }
           while (tick==1)
                 { while (score2<lowest)
                         {lowest=score2; }
                  tick++;}       
           while (tick==2)
                 { while (score3<lowest)
                         {lowest=score3; }
                  tick++;}                
           while (tick==3)
                 { while (score4<lowest)
                         {lowest=score4; }
                  tick++;}                  
           while (tick==4)
                 { while (score5<lowest)
                         {lowest=score5; }
                  tick++;}
                  
                  return lowest;}
}
K0T4K0t4 (70)
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     switch (count){
     case 1: test=score1;
          break;
     case 2: test=score2;
          break;
     case 3: test=score3;
          break;
     case 4: test=score4;
          break;
     case 5: test=score5;}

should be
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     switch (count){
     case 1: score1=test;
          break;
     case 2: score2=test;
          break;
     case 3: score3=test;
          break;
     case 4: score4=test;
          break;
     case 5: score5=test;}


in your version you are assigning scores to test and scores never get a value
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