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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 <stdlib.h>
#include <stdbool.h> #include <stdbool.h>
#include <stdio.h> #include <stdio.h>
#include <ctype.h>
#define SIZE 128 #define SIZE 128
//kontrola, ze ci vycitane informacie su aritmeticky spravne //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) switch (op)
{ {
case '-' case '-'
if ((num1-num2) == resultTemp) { return true;} if ((num1-num2) == result) { return 1;}
break; break;
case '+' case '+'
if ((num1-num2) == resultTemp) { return true;} if ((num1-num2) == result) { return 1;}
break; break;
case '*' case '*'
if ((num1*num2) == resultTemp) { return true;} if ((num1*num2) == result) { return 1;}
break; break;
case '/' case '/'
if (num2 == 0) { return false; if (num2 == 0) { return -1;}
if ((num1-num2) == resultTemp) { return true;} if ((num1-num2) == result) { return 1;}
break; break;
} }
return false; return 0;
} }
int main() int main()
{ {
char line[SIZE]; //pomocne premeny
char line[SIZE], strBuffer[SIZE];
line[0] = '\0'; line[0] = '\0';
char strBuffer[SIZE]; strBuffer[0] = '\0';
const char* strtofEndPtr;
while (fgets(line, SIZE, stdin) != NULL) while (fgets(line, SIZE, stdin) != NULL)
@ -44,7 +49,6 @@ int main()
if (sscantf(line, "%127[^\n]", strBuffer) == 1) if (sscantf(line, "%127[^\n]", strBuffer) == 1)
{ {
bool isLineInvalid = false; bool isLineInvalid = false;
int x = 0;
//docasne 'char' premeny //docasne 'char' premeny
char num1Temp[10], num2Temp[10], resultTemp[10]; char num1Temp[10], num2Temp[10], resultTemp[10];
num1Temp[0] = '\0'; num1Temp[0] = '\0';
@ -52,7 +56,7 @@ int main()
resultTemp[0] = '\0'; resultTemp[0] = '\0';
int writeIntoArrayNum = 1; // kontrolna premena na urcovanie toho, kde sa ma zapisovat obsah (1 == num1, 2 = num2, 3 = vysledok) 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++) 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 //skontroluj, ze ci char po nom je tiez cislo, AK NIE, povazuj buduce cisla v riadku ako ine cislo
// a inkrementuj kontrolnu citaciu premenu // a inkrementuj kontrolnu citaciu premenu
if (isdigit(i+1) != 0) if (isdigit(i+1) == 0)
{ {
writeIntoArrayNum += 1; writeIntoArrayNum += 1;
} }
switch (writeIntoArrayNum) switch (writeIntoArrayNum)
{
case 1: case 1:
strncat(num1Temp, i, 1); strncat(num1Temp, i, 1);
break; break;
case 2: case 2:
strncat(num2Temp, i, 2); strncat(num2Temp, i, 1);
break; break;
case 3: case 3:
strncat(resultTemp, i, 3); strncat(resultTemp, i, 1);
break; break;
} }
continue; continue;
} }
if (ispunct() != 0) 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... //AK NIE, povazuj za riadok neplatny...
if (i == '+' || i == '-' || i == '/' i == '*') if (i == '+' || i == '-' || i == '/' i == '*')
{ {
op1 = 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 else
{ {
isLineInvalid = true; isLineInvalid = true;
@ -97,23 +120,29 @@ int main()
continue; continue;
} }
if (isalpha(i) != 0) if (isalpha(i) != 0)
{ {
isLineInvalid = true; isLineInvalid = true;
break; 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; return 0;
} }