Digital-Systems-Assignments/Assignment 7/main.c

/*
 * Student: S.K. Soekhlal
 * Number: 4860632
 * Assignment: 4.3
 */ 

#include<stdio.h>
#include<stdlib.h>
#include<math.h>

int main(){
    int m,n,i,j,c;  /*Declare Variables*/
    double price[100];    /*Declare array price*/
    int matrix[100][100];   /*Declare array matrix*/ 
    scanf("%d",&n);     /*Get amount of items*/
    for(i = 0; i<n; i++){   /*Loop to get price for every item and store them into array price*/
        scanf("%lf", &price[i]); 
    }
    scanf("%d",&m);     /*Get amount of customers*/
    for(j = 0; j<m; j++){   /*Loop the following code for every custromer*/
        for (c = 0; c < n; c++){ /*Loop to get amount of every item and store amount of customers and amount of items they buy in matrix*/
            scanf("%d",&matrix[c][j]);
        } 
    }
    for (j = 0; j<m; j++){  /*Loop the following code for every custromer*/
        float total = 0;
        for(c = 0; c < n; c++){     /*Calculating total*/
            total += matrix[c][j]*price[c];
        }
        printf("%.2f\n", total);
    }
    return 0;
}