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This commit is contained in:
Anton Dolozin 2025-10-06 14:21:04 +02:00
parent 7dcd74f698
commit 83e0ac56af
1 changed files with 35 additions and 20 deletions
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49
du3/program.c
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@ -23,37 +23,52 @@ return value;
} }
void print_stack(struct stack* stack){ void print_stack(struct stack* stack){
for(int i = 0; i < stack->size; i++) for(int i = 0; i < stack->size; i++)
printf("%g ", stack->values[i]); printf("%.2f ", stack->values[i]);
printf("\n"); printf("\n");
} }
void process_operations(struct stack* stack){ void process_operations(struct stack* stack){
char line[STACK_SIZE]; char line[STACK_SIZE];
if(!fgets(line, STACK_SIZE, stdin)){ int could_read = 0;
printf("Chyba\n");
while(fgets(line, sizeof(line), stdin)){
line[strcspn(line, "\n")] = '\0';
if(line[0] == '\0'){
printf("no input\n");
return; return;
} }
for(int i = 0; line[i] != '\0'; i++){ could_read = 1;
if(line[i] >= '0' && line[i] <= '9'){
char *endptr; if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0)
float val = strtof(&line[i], &endptr);
push_stack(stack, val);
print_stack(stack);
i = endptr - line - 1;
}
else if ((line[i] == '*' || line[i] == '+' || line[i] == '-' || line[i] == '/')
&& stack->size >= 2){ && stack->size >= 2){
float b = pop_stack(stack); float b = pop_stack(stack);
float a = pop_stack(stack); float a = pop_stack(stack);
float res = (line[i] == '+') ? a + b : float res = (line[0] == '+') ? a + b :
(line[i] == '-') ? a - b : (line[0] == '-') ? a - b :
(line[i] == '*') ? a * b : (line[0] == '*') ? a * b :
(line[i] == '/') ? a / b : 0; (line[0] == '/') ? a / b : 0;
push_stack(stack, res); push_stack(stack, res);
print_stack(stack); print_stack(stack);
} }
else if ((strcmp(line, "+") == 0 || strcmp(line, "-") == 0 || strcmp(line, "*") == 0 || strcmp(line, "/") == 0)
&& stack->size <2){
printf("no input\n");
return;
} }
}
else{
char *endptr;
float val = strtof(line, &endptr);
push_stack(stack, val);
print_stack(stack);
} }
if (!could_read){
printf("no input\n");
} }
int main(void){ int main(void){
memset(&mystack,0,sizeof(struct stack)); memset(&mystack,0,sizeof(struct stack));
process_operations(&mystack); process_operations(&mystack);