View Compilation Error

0_0_24123384_9610.cpp:12:11: error: 'o' does not name a type
 node s, e;o
           ^
0_0_24123384_9610.cpp: In function 'bool check(int, int, int)':
0_0_24123384_9610.cpp:27:26: error: 'n' was not declared in this scope
     if(x < 1||y < 1||x > n||y > m||mp[f][x][y] == '*')
                          ^
0_0_24123384_9610.cpp:27:33: error: 'm' was not declared in this scope
     if(x < 1||y < 1||x > n||y > m||mp[f][x][y] == '*')
                                 ^
0_0_24123384_9610.cpp: In function 'int main()':
0_0_24123384_9610.cpp:59:17: error: 't' was not declared in this scope
     scanf("%d",&t);
                 ^
0_0_24123384_9610.cpp:63:25: error: 'n' was not declared in this scope
         scanf("%d%d%d",&n,&m,&tt);
                         ^
0_0_24123384_9610.cpp:63:28: error: 'm' was not declared in this scope
         scanf("%d%d%d",&n,&m,&tt);
                            ^
0_0_24123384_9610.cpp:63:31: error: 'tt' was not declared in this scope
         scanf("%d%d%d",&n,&m,&tt);
                               ^