View Compilation Error

0_0_3179450_31504.cpp:9: error: expected `}' at end of input
0_0_3179450_31504.cpp: In constructor `matrix::matrix()':
0_0_3179450_31504.cpp:9: error: `se' undeclared (first use this function)
0_0_3179450_31504.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3179450_31504.cpp:9: error: expected `;' at end of input
0_0_3179450_31504.cpp:9: error: expected `}' at end of input
0_0_3179450_31504.cpp: At global scope:
0_0_3179450_31504.cpp:9: error: expected unqualified-id at end of input
0_0_3179450_31504.cpp:9: error: expected `,' or `;' at end of input