Initializacia

This commit is contained in:
Kozar 2024-10-13 09:29:51 +00:00
parent 9867b831a8
commit 1fbb3ac286

View File

@ -5,24 +5,23 @@
#define STACK_SIZE 10
// Stack structure
struct stack {
float values[STACK_SIZE];
int size;
};
// Function to print the stack
void print_stack(struct stack* s) {
for (int i = 0; i < s->size; i++) {
printf("%.2f", s->values[i]);
if (i < s->size - 1) {
printf(" "); // Print space between values
printf(" ");
} else {
printf(" ");
}
}
printf("\n");
}
// Function to push a value onto the stack
void push_stack(struct stack* s, float value) {
if (s->size >= STACK_SIZE) {
printf("Chyba: zasobnik je plny\n");
@ -31,7 +30,6 @@ void push_stack(struct stack* s, float value) {
s->values[s->size++] = value;
}
// Function to pop a value from the stack
float pop_stack(struct stack* s) {
if (s->size == 0) {
printf("Chyba: zasobnik je prazdny\n");
@ -40,13 +38,11 @@ float pop_stack(struct stack* s) {
return s->values[--s->size];
}
// Check if input is an operator
int is_operator(char* input) {
return (strcmp(input, "+") == 0 || strcmp(input, "-") == 0 ||
strcmp(input, "*") == 0 || strcmp(input, "/") == 0);
}
// Perform the operation on the top of the stack
void perform_operation(struct stack* s, char* operator) {
if (s->size < 2) {
printf("Chyba: nedostatok operandov\n");
@ -82,26 +78,23 @@ int main() {
struct stack mystack;
mystack.size = 0;
// Reading input from stdin until EOF or an error occurs
while (fgets(input, sizeof(input), stdin) != NULL) {
input[strlen(input) - 1] = '\0'; // Remove newline character
input[strlen(input) - 1] = '\0';
// Try to parse input as a number
float value;
if (sscanf(input, "%f", &value) == 1) {
push_stack(&mystack, value);
}
// If it's not a number, check if it's a valid operator
else if (is_operator(input)) {
perform_operation(&mystack, input);
}
// Invalid input
else {
printf("Chyba: neplatny vstup\n");
return 1;
}
// Print stack after each valid input
print_stack(&mystack);
}