View Compilation Error

0_0_37940915_6729.cpp: In function 'void solve()':
0_0_37940915_6729.cpp:22:32: error: 'r' was not declared in this scope
    if(g[i][j][1] >= 1 || (i == r && j == c)) continue;
                                ^
0_0_37940915_6729.cpp:22:42: error: 'c' was not declared in this scope
    if(g[i][j][1] >= 1 || (i == r && j == c)) continue;
                                          ^