题解 | 数列求和
数列求和
https://www.nowcoder.com/practice/6893484c04c24bfca1f606b1823a468d
public class Main {
public static void main(String[] args) {
//write your code here........
long sum = 0;
long term = 0;
int i = 0;
for(i = 0; i < 10; i++){
term = term * 10 + 9;
sum += term;
}
System.out.println(sum);
}
}
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