Source code for submission s1145

Go to diff to previous submission

bugs.cpp

  1. #include <cstdio>
  2. #include <cstring>
  3. #include <string>
  4.  
  5. int main() {
  6. 	int nrows;
  7. 	char key[2000];
  8. 	char line[2000002];
  9. 	int *begin = new int[2000002];
  10. 	int *end = new int[2000002];
  11. 	bool print[2000002];
  12. 	//gets (line);
  13. 	//printf ("%s", line);
  14. 	while (scanf ("%d %s", &nrows, key) == 2) {
  15. 		int ksize = strlen (key);
  16. 		char dummy[10];
  17. 		gets (dummy);
  18. 		for (int i = 0; i < nrows; i++) {
  19. 			gets (line);
  20. 			int size = strlen (line);
  21.  
  22. 			//printf ("%s\n", line);
  23. 			int prev = 0;
  24. 			for (int j = 0; j < size; j++) {
  25. 				if (line[j] == key[prev]) {
  26. 					prev++;
  27. 					begin[j] = prev;
  28. 				} 
  29. 				else if (line[j] == key[0]) {
  30. 					begin[j] = 1;
  31. 					prev = 1;
  32. 				}
  33. 				else begin[j] = 0;
  34. 				prev = begin[j] % ksize;
  35. 			}
  36.  
  37. 			/*
  38. 			for (int j = 0; j < size; j++)
  39. 				printf ("%d ", begin[j]);
  40. 			printf ("\n");
  41. 			*/
  42.  
  43. 			prev = ksize - 1;
  44. 			for (int j = size - 1; j >= 0; j--) {
  45. 				if (line[j] == key[prev]) {
  46. 					end[j] = ksize - prev;
  47. 					prev--;
  48. 				}
  49. 				else if (line[j] == key[ksize - 1]) {
  50. 					end[j] = 1;
  51. 					prev = ksize - 2;
  52. 				}
  53. 				else end[j] = 0;
  54. 				if (prev < 0) prev += ksize;
  55. 			}
  56. 			/*
  57. 			for (int j = 0; j < size; j++)
  58. 				printf ("%d ", end[j]);
  59. 			printf ("\n");
  60. 			*/
  61. 			int pos = 0;
  62. 			memset (print, 1, sizeof (print));
  63. 			for ( ; ;) {
  64. 				if (pos == size) break;
  65. 				if (begin[pos] == ksize)  {
  66. 					memset (print + pos - ksize + 1, 0, ksize);
  67.  
  68. 					int bpos = pos - ksize;
  69. 					int epos = pos + 1;
  70. 					//printf ("%d %d\n", bpos, epos);
  71.  
  72. 					while (bpos >= 0 && epos < size) {
  73. 						if (begin[bpos] + end[epos] == ksize && print[bpos] &&  print[epos]) {
  74. 							memset (print + (bpos - begin[bpos]) + 1, 0, begin[bpos]);
  75. 							memset (print + epos, 0, end[epos]);
  76. 							bpos = bpos - begin[bpos];
  77. 							epos = epos + end[epos];
  78. 						}
  79. 						else break;
  80. 					}
  81. 				}
  82. 				pos++;
  83. 			}
  84. 			/*
  85. 			for (int i = 0; i < size; i++)
  86. 				printf ("%d ", print[i]);
  87. 			printf ("\n");
  88. 			*/
  89. 			for (int i = 0; i < size; i++)
  90. 				if (print[i])
  91. 					printf ("%c", line[i]);
  92. 			printf("\n");
  93. 		}
  94. 	}
  95.  
  96. 	return 0;
  97. }

Diff to submission s1020

bugs.cpp

--- c4.s1020.cteam010.bugs.cpp.0.bugs.cpp
+++ c4.s1145.cteam010.bugs.cpp.0.bugs.cpp
@@ -19,8 +19,4 @@
                         gets (line);
                         int size = strlen (line);
-                        if (size == 0) {
-                                printf ("\n");
-                                continue;
-                        }
                         
                         //printf ("%s\n", line);
@@ -66,4 +62,5 @@
                         memset (print, 1, sizeof (print));
                         for ( ; ;) {
+                                if (pos == size) break;
                                 if (begin[pos] == ksize)  {
                                         memset (print + pos - ksize + 1, 0, ksize);
@@ -84,5 +81,4 @@
                                 }
                                 pos++;
-                                if (pos == size) break;
                         }
                         /*