Untitled

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

struct Branch {
	char b_id[50];
	char m_id[50];
	float sales[12];
};

void print_menu();
void input_data(struct Branch br[], int size);
float total_sales(struct Branch br[], int size);
void sale_percentage(struct Branch br[], int size);
void peak_sales(struct Branch br[], int size);
void bubble_sort(float arr[], int size);
void display_month(struct Branch br[], int size, int month);
void display_branch(struct Branch br[], int size, int branch);

int main () {
	
	int size = 2;
	int input;
	int while_flag = 1;
	
	float total;
	int month;
	int branch;
	
	struct Branch br[size];
	
	while(while_flag) {
		print_menu();
		printf("Enter your choice: ");
		scanf("%d", &input);
		
		switch(input) {
			case 1:
				input_data(br, size);
				break;
			case 2:
				total = total_sales(br, size);
				printf("Total Sales = %0.2f\n", total);
				break;
			case 3:
				sale_percentage(br, size);
				break;
			case 4:
				peak_sales(br, size);
				break;
			case 5:
				printf("Enter Month: ");
				scanf("%d", &month);
				display_month(br, size, month-1);
				break;
			case 6:
				printf("Enter Branch: ");
				scanf("%d", &branch);
				display_branch(br, size, branch-1);
				break;
			case 7:
				while_flag = 0;
				break;
			default:
				printf("\nEnter between 1 - 7\n");
		}
		system("pause");
		system("cls");
	}
	
	return 0;
}

void print_menu() {
	printf("1. Enter Branch Data\n");
	printf("2. Calculate Total Sales\n");
	printf("3. Calculate percentage of sales\n");
	printf("4. Month of Peak Sales\n");
	printf("5. Display Month Sales in Order\n");
	printf("6. Display Branch Sales in Order\n");
	printf("7. Exit\n\n");
}

void input_data(struct Branch br[], int size) {
	int i, j;
	for (i = 0; i < size; i++) {
		getchar();
		
		printf("Enter Branch %d/%d ID: ", i+1, size);
		gets(br[i].b_id);
		printf("Enter Manager %d/%d ID: ", i+1, size);
		gets(br[i].m_id);
		
		for (j = 0; j < 12; j++) {
			printf(">> Enter Branch %d/%d Sales of Month %d: ", i+1, size, j+1);
			scanf("%f", &br[i].sales[j]);
		}
	}
}

float total_sales(struct Branch br[], int size) {
	int i, j;
	float sum = 0;
	
	for (i = 0; i < size; i++) {
		for (j = 0; j < 12; j++) {
			sum = sum + br[i].sales[j];
		}
	}
	
	return sum;
}

void sale_percentage(struct Branch br[], int size) {
	int i, j;
	float sum = 0;
	float total = total_sales(br, size);
	
	for (i = 0; i < size; i++) {
		for (j = 0; j < 12; j++) {
			sum = sum + br[i].sales[j];
		}
		printf("Percentage of Branch %d = %0.1f%%\n", i+1, (sum * 100) / total);
		sum = 0;
	}
}

void peak_sales(struct Branch br[], int size) {
	int i, j;
	float sum = 0;
	float total = total_sales(br, size);
	float month_sales[12];
	int max_month = 0;
	
	for (j = 0; j < 12; j++) {
		for (i = 0; i < size; i++) {
			sum = sum + br[i].sales[j];
		}
		month_sales[j] = sum;
		sum = 0;
	}
	
	for (i = 0; i < 12; i++) {
		if (month_sales[i] > month_sales[max_month]) {
			max_month = i;
		}
	}
	
	printf("Max Sales in Month %d = %0.2f\n", max_month+1, month_sales[max_month]);
}

void bubble_sort(float arr[], int size) {
	int i, j;
	float temp;
	
	for (i = 1; i < size; i++) {
		for (j = 0; j < size-i; j++) {
			if (arr[j] < arr[j+1]) {
				temp = arr[j];
				arr[j] = arr[j+1];
				arr[j+1] = temp;
			}
		}
	}
}

void display_month(struct Branch br[], int size, int month) {
	int i;
	float branch_sales[size];
	
	for (i = 0; i < size; i++) {
		branch_sales[i] = br[i].sales[month];
	}
	
	bubble_sort(branch_sales, size);
	
	for (i = 0; i < size; i++) {
		printf("Sales of Month %d in order = %0.2f\n", month+1, branch_sales[i]);
	}
}

void display_branch(struct Branch br[], int size, int branch) {
	int i;
	float branch_sales[12];
	
	for (i = 0; i < 12; i++) {
		branch_sales[i] = br[branch].sales[i];
	}
	
	bubble_sort(branch_sales, 12);
	
	for (i = 0; i < 12; i++) {
		printf("Sales of Branch %d in order = %0.2f\n", branch+1, branch_sales[i]);
	}
}