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Jul 28th, 2016
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  1. //Java
  2. import java.util.Scanner;
  3.  
  4. class main{
  5. public static void main(String args[]){
  6. Scanner sc=new Scanner(System.in);
  7.  
  8. int n;
  9. int cases=1;
  10. while(sc.hasNextInt() && (n=sc.nextInt())!=0){
  11.  
  12. //初始化陣列。
  13. int arr[][]=new int[n][n];
  14. for(int i=0;i<n;i++){
  15. for(int j=0;j<n;j++){
  16. arr[i][j]=sc.nextInt();
  17. }
  18. }
  19.  
  20. int s=0; //最小邊界。
  21. int e=n; //最大邊界
  22. System.out.print("Case "+cases+":");
  23. while(s<=e){
  24. int out=0,in=0;
  25. //最外圍總和。
  26. for(int i=s;i<e;i++){
  27. for(int j=s;j<e;j++){
  28. out=out+arr[i][j];
  29. }
  30. }
  31. //內圈總和。
  32. for(int i=s+1;i<e-1;i++){
  33. for(int j=s+1;j<e-1;j++){
  34. in=in+arr[i][j];
  35. }
  36. }
  37. // Output
  38. if((out-in)!=0) System.out.print(" "+(out-in));
  39. s++;
  40. e--;
  41. }
  42. System.out.println("");
  43. cases++;
  44. }
  45. }
  46. }
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