0_0_30168840_2643.c:9:20: error: expected specifier-qualifier-list before '/' token
char tile[10]; // represent the tile as a string ending with '\0'
^
0_0_30168840_2643.c:15:21: error: expected identifier or '(' before '/' token
Node queue[2][MAXN];// two queues for double directoin BFS
^
0_0_30168840_2643.c:18:1: error: expected identifier or '(' before '/' token
//for output direction!
^
0_0_30168840_2643.c:20:1: error: expected identifier or '(' before '/' token
//test case
^
0_0_30168840_2643.c:23:1: error: expected identifier or '(' before '/' token
//read a tile 3 by 3
^
0_0_30168840_2643.c:35:1: error: expected identifier or '(' before '/' token
//print result
^
0_0_30168840_2643.c: In function 'print_forward':
0_0_30168840_2643.c:46:19: error: 'Node' has no member named 'parent'
if(queue[1][j].parent != -1)
^
0_0_30168840_2643.c:48:33: error: 'Node' has no member named 'dir'
printf("%c", queue[1][j].dir);
^
0_0_30168840_2643.c:49:34: error: 'Node' has no member named 'parent'
print_forward(queue[1][j].parent);
^
0_0_30168840_2643.c: In function 'print_result':
0_0_30168840_2643.c:54:5: error: expected expression before '/' token
//printf("%d,%d\n", i, j);
^
0_0_30168840_2643.c: At top level:
0_0_30168840_2643.c:59:1: error: expected identifier or '(' before '/' token
//init the queue
^
0_0_30168840_2643.c:67:1: error: expected identifier or '(' before '/' token
//check if there are duplicates in the queue
^
0_0_30168840_2643.c:82:1: error: expected identifier or '(' before '/' token
//check if the current node is in another queue!
^
0_0_30168840_2643.c:97:1: error: expected identifier or '(' before '/' token
//expand nodes
^
0_0_30168840_2643.c:139:1: error: expected identifier or '(' before '/' token
//call expand to generate queues
^
0_0_30168840_2643.c: In function 'main':
0_0_30168840_2643.c:175:5: error: expected expression before '/' token
//system("pause"); //pause
^
0_0_30168840_2643.c:175:24: error: expected expression before '/' token
//system("pause"); //pause
^
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