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View Compilation Error

0_0_13947391_21538.cpp:3:1: error: 'usingnamespace' does not name a type
 usingnamespace std;
 ^
0_0_13947391_21538.cpp: In function 'bool check()':
0_0_13947391_21538.cpp:37:28: error: 'returnfalse' was not declared in this scope
 if(maze[0][3]!=maze[0][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:38:28: error: 'returnfalse' was not declared in this scope
 if(maze[1][2]!=maze[0][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:39:28: error: 'returnfalse' was not declared in this scope
 if(maze[1][3]!=maze[0][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:41:28: error: 'returnfalse' was not declared in this scope
 if(maze[2][1]!=maze[2][0]) returnfalse;
                            ^
0_0_13947391_21538.cpp:42:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][0]!=maze[2][0]) returnfalse;
                            ^
0_0_13947391_21538.cpp:43:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][1]!=maze[2][0]) returnfalse;
                            ^
0_0_13947391_21538.cpp:45:28: error: 'returnfalse' was not declared in this scope
 if(maze[2][3]!=maze[2][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:46:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][2]!=maze[2][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:47:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][3]!=maze[2][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:49:28: error: 'returnfalse' was not declared in this scope
 if(maze[2][5]!=maze[2][4]) returnfalse;
                            ^
0_0_13947391_21538.cpp:50:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][4]!=maze[2][4]) returnfalse;
                            ^
0_0_13947391_21538.cpp:51:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][5]!=maze[2][4]) returnfalse;
                            ^
0_0_13947391_21538.cpp:53:28: error: 'returnfalse' was not declared in this scope
 if(maze[2][7]!=maze[2][6]) returnfalse;
                            ^
0_0_13947391_21538.cpp:54:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][6]!=maze[2][6]) returnfalse;
                            ^
0_0_13947391_21538.cpp:55:28: error: 'returnfalse' was not declared in this scope
 if(maze[3][7]!=maze[2][6]) returnfalse;
                            ^
0_0_13947391_21538.cpp:57:28: error: 'returnfalse' was not declared in this scope
 if(maze[4][3]!=maze[4][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:58:28: error: 'returnfalse' was not declared in this scope
 if(maze[5][2]!=maze[4][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:59:28: error: 'returnfalse' was not declared in this scope
 if(maze[5][3]!=maze[4][2]) returnfalse;
                            ^
0_0_13947391_21538.cpp:60:1: error: 'returntrue' was not declared in this scope
 returntrue;
 ^
0_0_13947391_21538.cpp: In function 'bool dfs(int)':
0_0_13947391_21538.cpp:74:27: error: 'returnfalse' was not declared in this scope
 if(deep-d<=3&&d+h()>deep) returnfalse;
                           ^
0_0_13947391_21538.cpp:79:14: error: 'returntrue' was not declared in this scope
 if(dfs(d+1)) returntrue;
              ^
0_0_13947391_21538.cpp:84:14: error: 'returntrue' was not declared in this scope
 if(dfs(d+1)) returntrue;
              ^
0_0_13947391_21538.cpp:89:14: error: 'returntrue' was not declared in this scope
 if(dfs(d+1)) returntrue;
              ^
0_0_13947391_21538.cpp:92:1: error: 'returnfalse' was not declared in this scope
 returnfalse;
 ^


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