public static void main(String[] args) {
int sum = 0;
for (int i = 1; i <= 99; i += 2) {
sum += i;
}
System.out.println("1+3+5+...+99 的和为:" + sum);
}
public static void main(String[] args) {
int sum = 0;
for (int i = 1; i <= 99; i += 2) {
sum += i;
}
System.out.println("1+3+5+...+99 的和为:" + sum);
}