View Compilation Error

0_0_36841053_21761.cpp:12:69: error: expected primary-expression before ',' token
 int e[maxn*maxn][maxn*maxn],match[maxn*maxn],book[maxn*maxn],c[maxn*,maxn][maxn*maxn];
                                                                     ^
0_0_36841053_21761.cpp:12:69: error: expected ']' before ',' token
0_0_36841053_21761.cpp:12:74: error: expected initializer before ']' token
 int e[maxn*maxn][maxn*maxn],match[maxn*maxn],book[maxn*maxn],c[maxn*,maxn][maxn*maxn];
                                                                          ^
0_0_36841053_21761.cpp: In function 'void solve()':
0_0_36841053_21761.cpp:40:6: error: 'c' was not declared in this scope
      c[i][j]=v;
      ^
0_0_36841053_21761.cpp:50:8: error: 'c' was not declared in this scope
      e[c[dx][dy]][c[b[i].x ][b[i].y ]]=e[c[b[i].x ][b[i].y ]][c[dx][dy]]=1;
        ^