我正在尝试运行我的代码。但终端告诉:
Exception in thread "main" java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
at java.util.ArrayList.rangeCheck(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at CF455A.main(CF455A.java:25)
第 25 个字符串是: game.remove(game.get(max+1)); 我的代码:
import java.util.*;
import java.lang.*;
import java.io.*;
public class CF455A {
public static void main(String args[]) throws java.lang.Exception {
Scanner in = new Scanner (System.in);
int n = in.nextInt();
int max = 0;
ArrayList<Integer> game = new ArrayList<Integer>();
for(int i = 0; i < n; i++){
int t = in.nextInt();
game.add(i, t);
}
int counter = 0;
while(game.size()>0){
for(int j = 0; j < game.size(); j++){
if(max <= (int)game.get(j)){max=j;}
for(int i = 0; i < game.size(); i++){
counter = counter + (int)game.get(max);
game.remove(game.get(max));
game.remove(game.get(max+1));
game.remove(game.get(max-1));
}
}
}
System.out.print(counter);
in.close();
}
我认为这是因为 ArrayList 或像game.get();or 之类的方法game.remove();。我只是想更改 ArrayList 的元素之一的值
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