82 lines
1.3 KiB
C
82 lines
1.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <stdlib.h>
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#include <ctype.h>
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#define POLE 100
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int main() {
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double X = 0.00;
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char vstup[POLE];
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memset(vstup, 0,POLE); //osetrenie
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char* a = fgets(vstup,POLE,stdin);
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if (vstup[0] == '\n'){ //ked pride na enter
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printf("koniec");
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exit(0);
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}
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for (int i = 0; i < strlen(vstup)-1; i++){
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//X = atof(riadok);
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if(vstup[i] == '.'){
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continue;
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}
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if (isdigit(vstup[i]) == 0){
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printf ("neplati\n");
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exit(0);
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}
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}
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X = atof(a);
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double polynom = 0.00;
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char Ppole [POLE];
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memset(Ppole, 0,POLE);
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double rovnica [POLE];
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int index = 0;
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int stupen = 0;
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double vysledok = 0.00;
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int idx = 0;
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while (1){
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char* b = fgets(Ppole,POLE,stdin);
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if (Ppole[0] == '\n'){ //ked pride na enter
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break;
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}
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for (int i = 0; i < strlen(Ppole)-1; i++){
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//X = atof(riadok);
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if(Ppole[i] == '.'){
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continue;
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}
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if (isdigit(Ppole[i]) == 0){
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printf ("Nepodarilo sa nacitat polynom na %d mieste.\n", i);
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exit(0);
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}
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}
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polynom = atof (b);
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rovnica[index] = polynom;
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index++;
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stupen++;
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}
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for (int i = stupen -1; i >= 0; i --){
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vysledok = vysledok + rovnica[idx] * pow(X, i);
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idx++;
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}
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vysledok = round (vysledok * 100)/100;
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printf ("Vysledok je: %.2f\n", vysledok);
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return 0;
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} |