View Compilation Error

0_0_17889155_4971.cpp: In function 'int cal(int)':
0_0_17889155_4971.cpp:35:6: error: 'xx' was not declared in this scope
     }xx
      ^
0_0_17889155_4971.cpp:40:35: error: 'tot' was not declared in this scope
         for(int j=0;j<num[i]&&m-j-tot>=0;j++)
                                   ^
0_0_17889155_4971.cpp:44:10: error: 'tot' was not declared in this scope
          tot+=num[i];
          ^
0_0_17889155_4971.cpp:48:8: error: 'tot' was not declared in this scope
     if(tot==m)
        ^