pvjc20/a1/program.c
2020-03-20 10:44:39 +01:00

66 lines
1.2 KiB
C

#include<stdlib.h>
#include<stdio.h>
long double power(long double x, int y);
int main() {
float x;
float coef[100];
int coefCount = 0;
int retVal;
long double result = 0;
if ((retVal = scanf("%f", &x)) <= 0 || retVal == EOF) {
printf("%s\n", "Chyba: Nespravny vstup");
return 0;
}
for (int i=0; i<100; i++) {
retVal = scanf("%f", &coef[coefCount]);
if (coef[i] == 0) {
break;
}
if (retVal <= 0 || retVal == EOF) {
break;
}
coefCount++;
}
// printf("CoefCount:%d\n", coefCount);
for (int i=0; i<coefCount; i++) {
int pCoef = coefCount - i - 1;
if (pCoef > 0) {
result += coef[i] * power(x, pCoef);
} else {
result += coef[i];
}
// printf("c:%lf; p:%d; r:%Lf\n", coef[i], pCoef, result);
}
printf("Vysledok je :%.2Lf\n", result);
return 0;
}
long double power(long double x, int y) {
long double result = x;
if (y == 0) {
return 0;
} else if (y == 1) {
return result;
}
for (int i=0; i<y-1; i++) {
result *= x;
}
return result;
}