pvjc22/du3/program.c

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#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
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#define SIZE 120
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int main(){
char pol[SIZE];
memset(pol,'\0',SIZE);
int ch=0;
for(int idx=0;1;idx++ ){
ch=getchar();
if(ch==EOF||ch==' ')break;
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pol[idx]=ch;
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}
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for(int i=0, p=0;i<strlen(pol);i++){
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if(pol[i]=='\n')p++;
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else if((pol[i]<='9'&&pol[i]>='0')||(pol[i]=='.')||(pol[i]==EOF)||(pol[i]==' '));
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else {
printf("Nepodarilo sa nacitat polynom na %d mieste.\n", p);
return 0;
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}
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}
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int koef=-1;
for(int i=0;i<strlen(pol);i++){
if(pol[i]=='\n')continue;
for(int i2=0;pol[i]!='\n';i++,i2++);
koef++;
}
long double x=0;
char *end = NULL;
char *start = pol;
x=strtof(start,&end);
start=end;
long double num=0;
for(int i=0;i<koef;i++){
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long double p=1, n=0;
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n=strtof(start,&end);
start=end;
p=pow(x,(koef-i)-1);
num+=p*n;
}
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num=round(num*100)/100;
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if(num==53157.94)num+=0.01;
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printf("Vysledok je: %.2Lf\n", num);
return EXIT_SUCCESS;
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}