用c语言用栈写二进制转换为十进制

以下是用 C 语言使用栈实现二进制转十进制的代码：

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

#define MAX_SIZE 100

typedef struct {
    int top;
    int data[MAX_SIZE];
} Stack;

void init(Stack *s) {
    s->top = -1;
}

int is_empty(Stack *s) {
    return s->top == -1;
}

int is_full(Stack *s) {
    return s->top == MAX_SIZE - 1;
}

void push(Stack *s, int value) {
    if (is_full(s)) {
        printf("Stack is full.\n");
        exit(1);
    }
    s->data[++s->top] = value;
}

int pop(Stack *s) {
    if (is_empty(s)) {
        printf("Stack is empty.\n");
        exit(1);
    }
    return s->data[s->top--];
}

int main() {
    char binary[MAX_SIZE];
    printf("Enter a binary number: ");
    scanf("%s", binary);

    Stack s;
    init(&s);

    int len = strlen(binary);
    for (int i = 0; i < len; i++) {
        int bit = binary[i] - '0';
        push(&s, bit);
    }

    int decimal = 0;
    int base = 1;
    while (!is_empty(&s)) {
        int bit = pop(&s);
        decimal += bit * base;
        base *= 2;
    }

    printf("Decimal equivalent: %d\n", decimal);

    return 0;
}

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