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bez medzier a s viacerymy medzerami naraz

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This commit is contained in:
Aleš Novysedlák 2025-03-10 14:04:58 +01:00
parent ed35d59346
commit 100f8e2e89
1 changed files with 100 additions and 91 deletions
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191
du3/program.c
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@ -2,115 +2,124 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <ctype.h>
float plus(float total, float number);
float minus(float total, float number);
float divided(float total, float number);
float multiplied(float total, float number);
float multiplied(float total, float number);
int main() {
char buffer[999];
char row[999];
char equation[999][20];
char output[999][10];
int output_length = 0;
int index = 0;
int eq_index = 0;
while (fgets(buffer, sizeof(buffer), stdin) != NULL) {
if (buffer[0] == '\n') break;
index = 0;
eq_index = 0;
int eq_operand_length = 0;
while (buffer[index] != '\n') {
if (buffer[index] != ' ') {
equation[eq_index][eq_operand_length] = buffer[index];
eq_operand_length++;
}
else {
equation[eq_index][eq_operand_length] = '\0';
eq_operand_length = 0;
eq_index++;
}
index++;
}
float total = 0.0;
int sign = 0;
char out[10] = "";
int n_of_signs = 0;
char operators[6] = "+-=*/";
char last_operator = '+';
for (int i=0;i<eq_index+1;i++) {
n_of_signs = 0;
for (int l=0; l<5;l++) {
if (strchr(equation[i], operators[l]) != NULL) {
if ((strlen(equation[i]) > 1) && (equation[i][0] == '-'))
continue;
n_of_signs++;
}
}
if (((n_of_signs == 1) && sign && (strlen(equation[i]) == 1)) || ((n_of_signs == 0) && !sign)) {
if (!sign) {
switch (last_operator) {
case '+':
total = plus(total, atof(equation[i]));
break;
case '-':
total = minus(total, atof(equation[i]));
break;
case '*':
total = multiplied(total, atof(equation[i]));
break;
case '/':
total = divided(total, atof(equation[i]));
break;
case '=':
/*if (total == atof(equation[i]))*/if (fabs((round(total*100)/100) - atof(equation[i])) < 1e-6) {
strcpy(output[output_length], "OK");
output_length++;
}
else {
strcpy(output[output_length], "ZLE");
output_length++;
}
break;
}
}
else {
last_operator = equation[i][0];
}
}
else {
strcpy(output[output_length], "CHYBA");
output_length++;
break;
}
sign = !sign;
}
memset(equation, 0, sizeof(equation));
//printf("%f", total);
char buffer[999];
char equation[999][20];
char output[999][10];
int output_length = 0;
int eq_index = 0;
int index = 0;
while (fgets(buffer, sizeof(buffer), stdin) != NULL) {
if (buffer[0] == '\n') break;
index = 0;
eq_index = 0;
int eq_operand_length = 0;
while (buffer[index] != '\n' && buffer[index] != '\0') {
if (isspace(buffer[index])) {
index++;
continue;
}
if (isdigit(buffer[index]) || (buffer[index] == '.' && eq_operand_length > 0 && isdigit(buffer[index + 1])) || (buffer[index] == '-' && (eq_operand_length == 0 || strchr("+-*/=", buffer[index - 1])))) {
equation[eq_index][eq_operand_length] = buffer[index];
eq_operand_length++;
}
else if (strchr("+-*/=", buffer[index]) != NULL) {
if (eq_operand_length > 0) {
equation[eq_index][eq_operand_length] = '\0';
eq_index++;
eq_operand_length = 0;
}
equation[eq_index][0] = buffer[index];
equation[eq_index][1] = '\0';
eq_index++;
}
index++;
}
if (eq_operand_length > 0) {
equation[eq_index][eq_operand_length] = '\0';
eq_index++;
}
}
for (int i=0; i<output_length; i++) {
printf("%s\n", output[i]);
}
float total = 0.0;
char last_operator = '+';
int sign = 0;
int n_of_signs = 0;
char operators[6] = "+-=*/";
for (int i=0;i<eq_index;i++) {
n_of_signs = 0;
for (int l=0; l<5;l++) {
if (strchr(equation[i], operators[l]) != NULL) {
if ((strlen(equation[i]) > 1) && (equation[i][0] == '-'))
continue;
n_of_signs++;
}
}
if (((n_of_signs == 1) && sign && (strlen(equation[i]) == 1)) || ((n_of_signs == 0) && !sign)) {
if (!sign) {
switch (last_operator) {
case '+':
total = plus(total, atof(equation[i]));
break;
case '-':
total = minus(total, atof(equation[i]));
break;
case '*':
total = multiplied(total, atof(equation[i]));
break;
case '/':
total = divided(total, atof(equation[i]));
break;
case '=':
total = round(total * 100) / 100;
if (fabs(total - atof(equation[i])) < 1e-6) {
strcpy(output[output_length], "OK");
output_length++;
} else {
strcpy(output[output_length], "ZLE");
output_length++;
}
break;
}
} else {
last_operator = equation[i][0];
}
} else {
strcpy(output[output_length], "CHYBA");
output_length++;
break;
}
sign = !sign;
}
memset(equation, 0, sizeof(equation));
}
for (int i=0; i<output_length; i++) {
printf("%s\n", output[i]);
}
return 0;
return 0;
}
float plus(float total, float number) {
return total + number;
return total + number;
}
float minus(float total, float number) {
return total - number;
return total - number;
}
float divided(float total, float number) {
return total / number;
return total / number;
}
float multiplied(float total, float number) {
return total * number;
return total * number;
}