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#include <cs50.h> #include <stdio.h> #include <string.h>

// Max number of candidates #define MAX 9

// Candidates have name and vote count typedef struct { string name; int votes; } candidate;

// Array of candidates candidate candidates[MAX];

// Number of candidates int candidate_count;

// Function prototypes bool vote(string name); void print_winner(void);

int main(int argc, string argv[]) { // Check for invalid usage if (argc < 2) { printf("Usage: plurality [candidate ...]\n"); return 1; }

// Populate array of candidates
candidate_count = argc - 1;
if (candidate_count > MAX)
{
    printf("Maximum number of candidates is %i\n", MAX);
    return 2;
}
for (int i = 0; i < candidate_count; i++)
{
    candidates[i].name = argv[i + 1];
    candidates[i].votes = 0;
}

int voter_count = get_int("Number of voters: ");

// Loop over all voters
for (int i = 0; i < voter_count; i++)
{
    string name = get_string("Vote: ");

    // Check for invalid vote
    if (!vote(name))
    {
        printf("Invalid vote.\n");
    }
}

// Display winner of election
print_winner();

}

// Update vote totals given a new vote bool vote(string name) {

for (int m = 0; m < candidate_count; m++)
{
    if (strcmp(name,candidates[m].name)==0)
    {
        candidates[m].votes++;

// printf("%s %i vote \n",candidates[m].name,candidates[m].votes); return true; } } return false; }

//Print the winner (or winners) of the election void print_winner(void) { int highest_vote; for (int a = 0; a < candidate_count; a++) { if (candidates[a].votes > candidates[a+1].votes && candidates[a].votes > candidates[a-1].votes ) { highest_vote = candidates[a].votes; // printf("a %i\n",candidates[a].votes); } else if (candidates[a].votes < candidates[a+1].votes && candidates[a-1].votes < candidates[a+1].votes ) { highest_vote = candidates[a+1].votes; // printf(" a + 1 %i\n",candidates[a+1].votes); } else if (candidates[a].votes == candidates[a+1].votes && candidates[a].votes == candidates[a-1].votes ) { highest_vote = candidates[a].votes; // printf("a %i\n",candidates[a].votes); } } // printf("highest vote = %i\n",highest_vote);

for (int j = 0; j < candidate_count; j++)
{
    if (candidates[j].votes == highest_vote)
    {
        printf("%s\n",candidates[j].name);
    }
}
return;

}

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