public class TestDemo {
public static void main(String[] args) {
int i;
int count = 0;
for (i=1; i<=100; i++) {
if(i%10==9) {
count++;
}
if(i/10==9) {
count++;
}
}
System.out.println(count);
}
}
Java:打印1-100之间9的个数(新解)
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转载自blog.csdn.net/yufy0528/article/details/104728041
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