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final10

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This commit is contained in:
Illia Korpan 2026-03-06 08:52:59 +01:00
parent 2e7bc6ba67
commit 50f25f5afc
1 changed files with 39 additions and 14 deletions
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53
du1/program.c
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@ -1,20 +1,45 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int is_valid_number(const char *s) {
char *endptr;
if (s[0] == '\0' || s[0] == '\n') return 1;
strtod(s, &endptr);
while (*endptr == ' ' || *endptr == '\t' || *endptr == '\n') endptr++;
return *endptr == '\0';
}
int main(){
double x = 0, a = 0, b = 0, c = 0, y;
if (scanf("%lf", &x) != 1 && x != 0){
printf("Nepodarilo sa načítať x");
return 0;
} else if (scanf("%lf", &a) != 1 && a != 0){
printf("Nepodarilo sa načítať a");
return 0;
} else if(scanf("%lf", &b) != 1 && b != 0){
printf("Nepodarilo sa načítať b");
return 0;
} else if(scanf("%lf", &c) != 1 && c != 0){
printf("Nepodarilo sa načítať c");
return 0;
}
char line[100];
double x = 0, a = 0, b = 0, c = 0, y;
fgets(line, 100, stdin);
if(!is_valid_number(line)){
return 0;
}
x = strtod(line, NULL);
fgets(line, 100, stdin);
if(!is_valid_number(line)){
return 0;
}
a = strtod(line, NULL);
fgets(line, 100, stdin);
if(!is_valid_number(line)){
printf("Nepodarilo sa načítať b");
return 0;
}
b = strtod(line, NULL);
fgets(line, 100, stdin);
if(!is_valid_number(line)){
printf("Nepodarilo sa načítať c");
return 0;
}
c = strtod(line, NULL);
y = x*x*a+b*x+c;
printf("Vysledok je: %.2f\n", y);
return 0;