turtle

DeitelC/Chapter6/test.c

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+#include <stdio.h>
+#define PERSON 4
+#define PRODUCT 5
+
+int main (void) {
+    double sales[PERSON][PRODUCT] = {0};
+    int person, product;
+    double amount;
+
+    while(1) {
+        puts("Enter Sale Person (1-4)");
+        puts("Wrong data will be ignored! Enter -1 to stop");
+        scanf("%d", &person);
+
+        if (person == -1) {
+            break;
+        } else if (person < 1 || person > PERSON) {
+            puts("Invalid salesperson number! Try again.");
+            continue;
+        }
+
+        puts("Enter Product (1-5) and Amount:");
+        scanf("%d%lf", &product, &amount);
+
+        if (product < 1 || product > PRODUCT || amount < 0) {
+            puts("Invalid product or amount! Try again.");
+            continue;
+        }
+
+        sales[person - 1][product - 1] += amount;
+    }
+
+    printf("%10s%10s%10s%10s%10s\n", "Product", "Person1", "Person2", "Person3", "Person4");
+    for (int i = 0; i < PRODUCT; i++) {
+        printf("%10s%d", "Product", i + 1);
+        for (int j = 0; j < PERSON; j++) {
+            printf("%10.2lf", sales[j][i]);
+        }
+        printf("\n");
+    }
+
+    return 0;
+}
+