View Compilation Error

0_0_11878345_26645.cpp: In function `bool solve()':
0_0_11878345_26645.cpp:43: error: `ma' undeclared (first use this function)
0_0_11878345_26645.cpp:43: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11878345_26645.cpp:43: error: expected `)' at end of input
0_0_11878345_26645.cpp:43: error: expected primary-expression at end of input
0_0_11878345_26645.cpp:43: error: expected `;' at end of input
0_0_11878345_26645.cpp:43: error: expected `}' at end of input
0_0_11878345_26645.cpp:43: error: expected `}' at end of input