Question

In: Computer Science

1. Allow the user to vote as many times as they indicated there are voters (see...

1. Allow the user to vote as many times as they indicated there are voters (see numVoters). For each voter, you have to display the list ofcandidates and their associated id number (id numbers should start at 1, not 0). A voter votes for a candidate by entering the candidate's id number.
2. You have to devise a method for keeping tracks of the votes.
3. After all the voters have voted, you have to print out the results for each candidate.
4. Make sure your output is nicely formatted, it will be part of your grade.

The following steps will help you set up the lab. For further reference, you may want to look at Lab 1.
1. Create a new folder in your Mystorage\CISC130 folder call it Lab6.
2. In CodeBlocks make a new c file. Title it Lab6 and save it in the folder you created above.
3. Copy the code below into your Lab6.c file:
/***YOUR NAME HERE***/
#include <stdio.h>
int main()
{
//2d array that will hold the names of the candidats
char cand[100][1000];
//The following could has the user enter the the names of the
//candidates. It places a \0 character at the end of each name
printf("How many candidates are in the race? ");
//Holds the number of candidates in the race
int numCand;
scanf("%i",&numCand);
//get rid of the return from the scanf above
getchar();
//Get the names of the candidates
int row = 0;
//one name per row and go until we have the number of candidates
while(row < numCand)
{
printf("Please enter the name candidate number %i: ",row+1);
//get t he first character of the name
char cur = getchar();
int col = 0;
//while they haven't hit enter get the next character
while(cur != '\n')
{
cand[row][col] = cur;
cur = getchar();
col = col +1;
}
//add the \0 character at the end of the useful info in the array
cand[row][col]='\0';
row = row + 1;
}
//Finally ask them how many people will be voting
printf("How many people will be voting? ");
int numVoters;
scanf("%i",&numVoters);
printf("\n**********VOTING WILL COMMENCE NOW***********\n");
/*YOU WORK GOES BELOW HERE*/
}

Solutions

Expert Solution

Below is complete code. Let me know if you have any problem or doubt. Thank you.

====================================================================

/***YOUR NAME HERE***/
#include <stdio.h>
#pragma warning(disable : 4996) // for visual studio only

int main()
{
   //2d array that will hold the names of the candidats
   char cand[100][1000];
   //The following could has the user enter the the names of the
   //candidates. It places a \0 character at the end of each name
   printf("How many candidates are in the race? ");
   //Holds the number of candidates in the race
   int numCand;
   scanf("%i", &numCand);
   //get rid of the return from the scanf above
   getchar();
   //Get the names of the candidates
   int row = 0;
   //one name per row and go until we have the number of candidates
   while (row < numCand)
   {
       printf("Please enter the name candidate number %i: ", row + 1);
       //get the first character of the name
       char cur = getchar();
       int col = 0;
       //while they haven't hit enter get the next character
       while (cur != '\n')
       {
           cand[row][col] = cur;
           cur = getchar();
           col = col + 1;
       }
       //add the \0 character at the end of the useful info in the array
       cand[row][col] = '\0';
       row = row + 1;
   }
   //Finally ask them how many people will be voting
   printf("How many people will be voting? ");
   int numVoters;
   scanf("%i", &numVoters);
   printf("\n**********VOTING WILL COMMENCE NOW***********\n");
  
   // create an array to hold votes for each candidate
   int votes[100];
   // initialize it to 0 votes
   int i = 0;
   while (i < 100)
   {
       votes[i] = 0;
       i = i + 1;
   }
   // create a loop to vote till each voter finish voting
   int voted = 0;
   while (voted < numVoters)
   {
       // get index of array for voted candidate
       int index = 0;
       // create a loop to make sure votes insert valid ID
       while (index < 1 || index > numCand)
       {
           // print each candidate with ID
           printf("%-10s %s\n", "ID", "Name");
           int row = 1;
           while (row <= numCand)
           {
               printf("%-10i %s\n", row, cand[row - 1]);
               row = row + 1;
           }
           printf("Enter candidate's ID number to vote: ");
           scanf("%i", &index);
           // if voter enters invalid ID ask for vote again
           if (index < 1 || index > numCand)
           {
               printf("Invalid ID! try again\n");
           }
       }
       // update votes
       votes[index - 1] = votes[index - 1] + 1;
       voted = voted + 1;
   }
   // declare result
   printf("\n********** RESULT ***********\n");
   row = 0;
   printf("%-100s %-10s\n", "Name", "Votes");
   while (row < numCand)
   {
       // print each candidate
       printf("%-100s %-10i\n", cand[row], votes[row]);
       row = row + 1;
   }
}

====================================================================


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