题解 | #求解立方根#
求解立方根
https://www.nowcoder.com/practice/caf35ae421194a1090c22fe223357dca
#include <stdio.h>
int main() {
double val;
scanf("%lf",&val);
double high = 20;
double low = -20;
//二分查找精度0.001
while(val - low * low * low > 0.001) {
double mid = (low + high) / 2;
if (mid * mid * mid < val) {
low = mid;
}
else{
high = mid;
}
}
printf("%.1f", low);
return 0;
}
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