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  1. import java.util.*;
  2.  
  3. public class Main {
  4.  
  5. public static void main(String[] args) {
  6. // TODO Auto-generated method stub
  7.  
  8. Scanner sc = new Scanner(System.in);
  9. int num = sc.nextInt();
  10. String [] testCase = new String[num];
  11. boolean jd = true;
  12. int count = 0;
  13.  
  14. for(int i=0;i<num;i++) {
  15. testCase[i] = sc.next();
  16. }
  17.  
  18. for(int j=0;j<testCase.length;j++) {
  19. jd = true;
  20. char [] charr = new char[testCase[j].length()];
  21. for(int k=0;k<testCase[j].length();k++) {
  22. charr[k] = testCase[j].charAt(k);
  23. }
  24.  
  25. OuterLoop:
  26. for(int l=0;l<=charr.length-1;l++) {
  27. for(int n=l+1;n<charr.length;n++) {
  28. if(charr[l] == charr[n]) {
  29. if(n == l+1) {
  30. jd = true;
  31. }else {
  32. jd = false;
  33. break OuterLoop;
  34. }
  35. }else {
  36. jd = true;
  37. }
  38. }
  39. }
  40.  
  41. if(jd == false) {
  42. for(int m=0;m<charr.length;m++) {
  43. if(charr[0] == charr[m]) {
  44. jd = true;
  45. }else {
  46. jd = false;
  47. break;
  48. }
  49. }
  50. }
  51.  
  52. if(jd == true) {
  53. count++;
  54. }
  55. }
  56.  
  57. System.out.println(count);
  58. }
  59.  
  60. }
Success #stdin #stdout 0.12s 49264KB
stdin
1
aaab
stdout
0