摘要:
int main(){ int a = 0; int count = 0; for(a=1;a<=100;a++) { if (a % 10 == 9) //个位数是9 { printf("%d ", a); count++; } if (a / 10 == 9) //十位数是9 { printf( 阅读全文
摘要:
int main(){ int a = 0; int count = 0; for (a = 100;a <= 200;a++) { int j = 0; for (j = 2;j < a;j++) { if (a % j == 0) { break; } } if (j == a) { count 阅读全文