View Compilation Error

0_0_33638856_31197.cpp: In function 'int main()':
0_0_33638856_31197.cpp:16:12: error: 'ma' was not declared in this scope
         if(ma[p1][p2])continue;
            ^
0_0_33638856_31197.cpp:17:9: error: 'ma' was not declared in this scope
         ma[p1][p2]=1;
         ^
0_0_33638856_31197.cpp:29:16: error: 'ma' was not declared in this scope
             if(ma[now][i]){
                ^