rand()함수를 이용해서 특정범위안에 값을 발생시키는 공식이 있나요? 예를 들면 1~1000 사이의 정수라든지요.
rand manpage로 부터..
If you want to generate a random integer between 1 and 10, you should always do it by using high-order bits, as in j=1+(int) (10.0*rand()/(RAND_MAX+1.0));
man rand
rand manpage로 부터..
If you want to generate a random integer between 1
and 10, you should always do it by using high-order
bits, as in
j=1+(int) (10.0*rand()/(RAND_MAX+1.0));