View Compilation Error

0_0_13818135_26330.cpp: In function 'void init()':
0_0_13818135_26330.cpp:12:2: error: 'nbsp' was not declared in this scope
     for (int i = 1; i <= 505; i++)
  ^
0_0_13818135_26330.cpp:13:53: error: 'i' was not declared in this scope
         map[i].clear();
                                                     ^
0_0_13818135_26330.cpp: In function 'int findpath(int)':
0_0_13818135_26330.cpp:24:2: error: 'nbsp' was not declared in this scope
     for (int v = 0; v < map[u].size(); v++)
  ^
0_0_13818135_26330.cpp:26:65: error: 'v' was not declared in this scope
         if (!vis[map[u][v]])
                                                                 ^
0_0_13818135_26330.cpp:28:84: error: 'v' was not declared in this scope
             vis[map[u][v]] = 1;
                                                                                    ^
0_0_13818135_26330.cpp: In function 'int main()':
0_0_13818135_26330.cpp:40:2: error: 'nbsp' was not declared in this scope
     int t;
  ^