题解 | #KiKi求质数个数#
KiKi求质数个数
https://www.nowcoder.com/practice/d3a404ee0f8d41f98bf4707035d91086
#include <stdio.h> int PrimeNum(); int main() { printf("%d",PrimeNum()); return 0; } int PrimeNum() { int num = 0; int i = 0; int count = 0; for(num = 100;num < 1000;num ++) { for(i = 2; i <= num / 2 ; i++) { if(num % i == 0) { break; } } if(num /2 < i) { count++; } } return count; }