今天学习了常见函数(math,time)
常见函数(math)
#include<stdio.h>
#include<math.h>
int main()
{
double res1 = pow(2, 3);
printf("%lf\n",res1);
double res2 = sqrt(8);
printf("%lf\n", res2);
double res3 = ceil(12.3);
printf("%lf\n", res3);
double res4 = floor(12.7);
printf("%lf\n", res4);
int res5 = abs(-13);
printf("%d\n", res5);
return 0;
}
time
#include<stdio.h>
#include<time.h>
int main()
{
long long res = time(NULL);
printf("%lld\n", res);
return 0;
}