View Compilation Error

0_0_21402035_7819.cpp:5:7: error: 'MAXN' was not declared in this scope
 int c[MAXN][MAXN];
       ^
0_0_21402035_7819.cpp:5:13: error: 'MAXN' was not declared in this scope
 int c[MAXN][MAXN];
             ^
0_0_21402035_7819.cpp: In function 'll fun(int, int)':
0_0_21402035_7819.cpp:10:22: error: 'c' was not declared in this scope
         if(i != x && c[i][y] == c[x][y]) break;
                      ^
0_0_21402035_7819.cpp:13:16: error: 'c' was not declared in this scope
             if(c[i][j] == c[x][y]) {
                ^
0_0_21402035_7819.cpp:20:20: error: 'c' was not declared in this scope
                 if(c[i][j] == c[x][y]) {
                    ^
0_0_21402035_7819.cpp: In function 'int main()':
0_0_21402035_7819.cpp:39:30: error: 'c' was not declared in this scope
                 scanf("%d", &c[i][j]);
                              ^