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Aktualizovat du3/program.c

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This commit is contained in:
Tomáš Vlček 2026-03-18 23:16:18 +00:00
parent 7056631706
commit c1a852b42b
1 changed files with 55 additions and 26 deletions
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81
du3/program.c
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@ -1,42 +1,47 @@
#include <stdlib.h>
#include <stdbool.h>
#include <stdio.h>
#include <ctype.h>
#define SIZE 128
//kontrola, ze ci vycitane informacie su aritmeticky spravne
bool IsArithmeticallyCorrect(int num1, int num2, char* op)
//VRACIA: int: -1 (CHYBA), 0 (False), (True)
int IsArithCorrect(float num1, float num2, char* op, float result)
{
switch (op)
{
case '-'
if ((num1-num2) == resultTemp) { return true;}
if ((num1-num2) == result) { return 1;}
break;
case '+'
if ((num1-num2) == resultTemp) { return true;}
if ((num1-num2) == result) { return 1;}
break;
case '*'
if ((num1*num2) == resultTemp) { return true;}
if ((num1*num2) == result) { return 1;}
break;
case '/'
if (num2 == 0) { return false;
if ((num1-num2) == resultTemp) { return true;}
if (num2 == 0) { return -1;}
if ((num1-num2) == result) { return 1;}
break;
}
return false;
return 0;
}
int main()
{
char line[SIZE];
//pomocne premeny
char line[SIZE], strBuffer[SIZE];
line[0] = '\0';
char strBuffer[SIZE];
strBuffer[0] = '\0';
const char* strtofEndPtr;
while (fgets(line, SIZE, stdin) != NULL)
@ -44,7 +49,6 @@ int main()
if (sscantf(line, "%127[^\n]", strBuffer) == 1)
{
bool isLineInvalid = false;
int x = 0;
//docasne 'char' premeny
char num1Temp[10], num2Temp[10], resultTemp[10];
num1Temp[0] = '\0';
@ -52,7 +56,7 @@ int main()
resultTemp[0] = '\0';
int writeIntoArrayNum = 1; // kontrolna premena na urcovanie toho, kde sa ma zapisovat obsah (1 == num1, 2 = num2, 3 = vysledok)
char op1 = 'N'; //N = 'nothing/nic'
char op1 = 'N'; //N = 'None/NIC'
for (int i = 0; i != '\0'; i++)
{
@ -60,35 +64,54 @@ int main()
{
//skontroluj, ze ci char po nom je tiez cislo, AK NIE, povazuj buduce cisla v riadku ako ine cislo
// a inkrementuj kontrolnu citaciu premenu
if (isdigit(i+1) != 0)
if (isdigit(i+1) == 0)
{
writeIntoArrayNum += 1;
}
switch (writeIntoArrayNum)
{
case 1:
strncat(num1Temp, i, 1);
break;
case 2:
strncat(num2Temp, i, 2);
strncat(num2Temp, i, 1);
break;
case 3:
strncat(resultTemp, i, 3);
strncat(resultTemp, i, 1);
break;
}
continue;
}
if (ispunct() != 0)
{
//ak je to nejaky printable symbol ('*/-,:./), skontroluj ci to nie je artimeticke znamienko,
//ak je to nejaky printable symbol ('*/-,:./), skontroluj ci to nie je artimeticke znamienko alebo desatinna bodka,
//AK NIE, povazuj za riadok neplatny...
if (i == '+' || i == '-' || i == '/' i == '*')
{
op1 = i;
}
else if (i = '.')
{
//zisti, kde treba zapisat desatinnu bodku
switch (writeIntoArrayNum)
{
case 1:
strncat(num1Temp, i, 1);
break;
case 2:
strncat(num2Temp, i, 1);
break;
case 3:
strncat(resultTemp, i, 1);
break;
}
}
else
{
isLineInvalid = true;
@ -97,23 +120,29 @@ int main()
continue;
}
if (isalpha(i) != 0)
{
isLineInvalid = true;
break;
}
}
//** konecna faza = vypisovanie vysledkov
//ak systematicka chyba
if (isLineInvalid = true || op == 'N' || IsArithCorrect(strtof(num1Temp),strtof(num2Temp), op1, ) == -1)
{
printf("CHYBA\n");
}
else if (IsArithCorrect(strtof(num1Temp, strtofEndPtr),strtof(num2Temp, strtofEndPtr), op1) == 0)
{
printf("ZLE\n");
}
else
{
printf("OK");
}
}
int vysledok = calcResult(atoi(num1Temp),atoi(num2Temp), op1);
if (isLineInvalid || vysledok == 0)
{
printf("CHYBA");
}
return 0;
}