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DS/C/Lab/Week3/DecBaseCon.c

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+#include <stdio.h>
+#define MAX_SIZE 100
+
+int top = -1;
+char stack[MAX_SIZE];
+
+void push(char c) {
+    if (top < MAX_SIZE - 1) {
+        stack[++top] = c;
+    }
+}
+
+char pop() {
+    if (top >= 0) {
+        return stack[top--];
+    }
+    return '\0';
+}
+
+void decimal_to_base(int decimal, int base) {
+    char digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+    while (decimal > 0) {
+        push(digits[decimal % base]);
+        decimal /= base;
+    }
+
+    printf("Converted number: ");
+    while (top >= 0) {
+        printf("%c", pop());
+    }
+    printf("\n");
+}
+
+int main() {
+    int decimal, base;
+
+    printf("Enter a decimal number: ");
+    scanf("%d", &decimal);
+
+    printf("Enter the base to convert to (2-36): ");
+    scanf("%d", &base);
+
+    if (base < 2 || base > 36) {
+        printf("Invalid base. Please enter a base between 2 and 36.\n");
+        return 1;
+    }
+
+    decimal_to_base(decimal, base);
+
+    return 0;
+}