网易笔试 3.5

public static void main(String[] args) {
    Scanner sc=new Scanner(System.in); int n=sc.nextInt();  int[] arr=new int[n];
    ArrayList<StringBuilder> lit=new ArrayList<>(); for (int i=0;i<n;i++){
        arr[i]=sc.nextInt();
    } for (int i=0;i<n;i++){  int geshu=arr[i]/9;  int num=arr[i]%9;
        StringBuilder sb=new StringBuilder();  if (geshu>=1){  if(num!=0){
                sb.append(String.valueOf(num));
               }  for(int j=0;j<geshu;j++){
                sb.append(String.valueOf(9));
               }
        }else {
            sb.append(String.valueOf(arr[i]));
        }
        lit.add(sb);
    } for (StringBuilder s : lit) {
        System.out.println(s);
    }
}

public static void main(String[] args) {
    Scanner sc=new Scanner(System.in); int t=sc.nextInt(); int[][] arr=new int[t][4]; for (int i=0;i<t;i++){  for (int j=0;j<4;j++){
            arr[i][j]=sc.nextInt();
        }
    } for (int i=0;i<t;i++){  int a=arr[i][0]; int b=arr[i][1]; int p=arr[i][2]; int q=arr[i][3]; int index=1;  while ((a+p)<b){
            p*=q;
            index++;
        }
        System.out.println(index);
    }
}

public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);  int t=sc.nextInt();  int[] arr2=new int[t];  for (int i=0;i<t;i++){  int n=sc.nextInt();   int[]arr=new int[n];  int index=1;  int max=0; int sum=0;   for (int j=0;j<n;j++){
            arr[j]=sc.nextInt();  if(j==0){
                sum=arr[0];
            } if (j>0){ if (arr[j]>=sum){
                    index++;
                    sum+=arr[j];
             }else {
                    sum=arr[j];
                    max=max>index?max:index;
                    index=1;
             }
          }
      }
        arr2[i]=max;
    }  for (int i=0;i<t;i++){
        System.out.println(arr2[i]);
    }
}

public static void main(String[] args) {
    Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int[] arr=new int[n];  for (int i=0;i<n;i++){
        arr[i]=sc.nextInt();
    } int sum=0; for (int i=0;i<n;i++){ for (int j=i+1;j<n;j++){ if (arr[i]>arr[j]){
                sum+=j-i;
            }
        }
    }
    System.out.println(sum);
}