View Compilation Error

0_0_9492695_393.cpp: In function `void dfs(int, int, int, int, int, int)':
0_0_9492695_393.cpp:24: error: `ma' undeclared (first use this function)
0_0_9492695_393.cpp:24: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9492695_393.cpp:24: error: expected `;' at end of input
0_0_9492695_393.cpp:24: error: expected `}' at end of input
0_0_9492695_393.cpp:24: error: expected `}' at end of input