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Main.java
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Main.java
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public class Main {
public static void main(String[] args) {
double lower = -10;
double higher = 10;
double possibleResult = 0;
double tolerance = 0.01;
boolean flag = true;
int count = 0;
if (result(0) == 0) {
flag = false;
possibleResult = 0;
}
if (flag) {
if (result(lower) * result(higher) >= 0) {
while (result(lower) * result(higher) >= 0) {
if (result(lower) < 0 && result(higher) < 0) {
higher = higher - tolerance;
lower = lower + tolerance;
count += tolerance;
if (count >= Integer.MAX_VALUE - 100) {
break;
}
}
if (result(lower) > 0 && result(higher) > 0) {
higher = higher - tolerance;
lower = lower + tolerance;
count += tolerance;
if (count >= Integer.MAX_VALUE - 100) {
break;
}
}
}
}
}
if (flag) {
do {
possibleResult = (lower + higher) / 2;
if (result(possibleResult) == 0) {
break;
}
if (result(lower) * result(possibleResult) < 0) {
higher = possibleResult;
} else {
lower = possibleResult;
}
} while (Math.abs(result(possibleResult)) > tolerance);
}
System.out.println(possibleResult);
}
static double result(double x) {
return x * x * Math.sqrt(273 * x) - 233 + 0.31 * x;
}
}