#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define STACK_SIZE 10

struct stack{
    float *values;
    int size;
    int capacity;
};

struct stack* create_stack (int capacity) {
    struct stack* s = malloc (sizeof(struct stack));
    if (s==NULL) {
        printf("Error!\n");
        exit(1);
    }
    s->values = malloc(capacity * sizeof(float));
    if (s->values==NULL) {
        printf("Error!\n");
        free(s);
        exit(1);
    }
    s->size = 0;
    s->capacity = capacity;
    return s;
}

void push_stack (struct stack* s, float value) {
    if (s->size >= s->capacity) {
        printf("Stack perepolnen!\n");
        exit(1);
    }
    s->values[s->size] = value;
    s->size++;
}

float pop_stack(struct stack* s) {
    if (s->size <= 0) {
        printf("Erroe!\n");
        exit(1);
    }
    s->size--;
    return s->values[s->size];
}

void print_stack(struct stack* stack) {
    for (int i = 0; i<stack->size; i++) {
        printf("%.2f", stack->values[i]);
    }
    printf("\n");
}

void destroy_stack (struct stack* s) {
    free(s->values);
    free(s);
}

int main() {
    return 0;
}