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Update du3/program.c

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This commit is contained in:
Denis Landa 2025-10-16 17:25:01 +00:00
parent 953e42ee1b
commit f8efe6e386
1 changed files with 10 additions and 5 deletions
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15
du3/program.c
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@ -18,7 +18,7 @@ void print_stack(struct stack *s) {
void push_stack(struct stack *s, float value) { void push_stack(struct stack *s, float value) {
if (s->size >= STACK_SIZE) { if (s->size >= STACK_SIZE) {
printf("full stack\n"); printf("no input\n");
exit(0); exit(0);
} }
s->values[s->size] = value; s->values[s->size] = value;
@ -27,7 +27,7 @@ void push_stack(struct stack *s, float value) {
float pop_stack(struct stack *s) { float pop_stack(struct stack *s) {
if (s->size <= 0) { if (s->size <= 0) {
printf("not enough operands\n"); printf("no input\n");
exit(0); exit(0);
} }
s->size--; s->size--;
@ -45,7 +45,7 @@ int main() {
strcmp(input, "*") == 0 || strcmp(input, "/") == 0) { strcmp(input, "*") == 0 || strcmp(input, "/") == 0) {
if (s.size < 2) { if (s.size < 2) {
printf("not anough operands\n"); printf("no input\n");
exit(0); exit(0);
} }
@ -53,6 +53,11 @@ int main() {
float a = pop_stack(&s); float a = pop_stack(&s);
float result; float result;
if (strcmp(input, "/") == 0 && b == 0) {
printf("division by zero\n");
exit(0);
}
if (strcmp(input, "+") == 0) result = a + b; if (strcmp(input, "+") == 0) result = a + b;
else if (strcmp(input, "-") == 0) result = a - b; else if (strcmp(input, "-") == 0) result = a - b;
else if (strcmp(input, "*") == 0) result = a * b; else if (strcmp(input, "*") == 0) result = a * b;
@ -65,14 +70,14 @@ int main() {
char *endptr; char *endptr;
float val = strtof(input, &endptr); float val = strtof(input, &endptr);
if (*endptr != '\0') { if (*endptr != '\0') {
printf("division by zero\n"); printf("no input\n");
exit(0); exit(0);
} }
push_stack(&s, val); push_stack(&s, val);
print_stack(&s); print_stack(&s);
} }
} }
printf("no input\n");
printf("no input\n");
return 0; return 0;
} }