Thread: Generate Random Numbers and Assign to Days of Week

Hi,

Can anyone help me with my assign...I need to create a C++ program that will generate 7 random numbers and will assign each number to a day of week...Example...
The random numbers are 89, 50, 90, 23, 10, 6, 19. The program must assign 89 to Monday, 50 to Tuesday and so on..then the program must arrange the numbers in descending order together with the day. Thanks...please help.

So far I'm ok with generating the numbers, I am just having problems on how to assign the days of week to the numbers...

Here's what I've done so far ,

Code:

int NbrCars[LIMIT];	
srand(unsigned(time(NULL)));

for (i=0; i<LIMIT; i++)
{
 NbrCars[i]=rand() % 101;
}

I need the part that will assign these numbers to the number of days...thanks

the program will generate 7 random numbers and those numbers must be assigned to specific days of week. I just gave the numbers 89, 50, 90, 23, 10, 6, 19 as an example. What I need to do is assign these numbers to a specific day like Monday, Tuesday, etc using arrays. I'm having problems with using arrays for string, or maybe I can use enums...please help....

Enums would be a dandy idea if only you knew what number rand() was going to generate in advance. Instead, why not just make the random number the first thing in a date string? That way when you start sorting it can sort by the number first.

For instance output could look like:

Code:

12: Tuesday 
21: Wednesday
51: Thursday 
. . .

How about a std::map? You will still need to store a list of the 7 days somewhere as a lookup table, but you can use the random number as the key, and loop through the lookup table, to extract the days in order for each number to be paired with the day string.

How about this - you just need to figure out how to sort the char array by extracting the number chars and converting them to real numbs, hint look for a delimiter...

Code:

#include <iostream>
#include <iomanip>
#include <ctime>

#define ROW 7
#define COL 80


using namespace std;



int main()
{
     char weekArray[ROW][COL] = {" Monday", " Tuesday", " Wednesday", " Thursday", " Friday", " Saturday", " Sunday"};
     char randomNumber[ROW][COL];
     char unsortedArray[ROW][COL];
     
     int index = 0;
     int randNum = 0;
     
     srand(time(NULL));
     
     cout<<endl<<endl;

     while(index < ROW)
     {
          randNum = rand();
          itoa(randNum,randomNumber[index],10);
          strcat(randomNumber[index],weekArray[index]);
          strcpy(unsortedArray[index],randomNumber[index]);
          
          cout<<unsortedArray[index]<<endl;
          index++;
     }
         
     cout<<endl<<endl;
     
     system("PAUSE");
     return (0);

}