View Compilation Error

0_0_13045415_24023.cpp: In function `void insert(char*, int)':
0_0_13045415_24023.cpp:41: error: invalid token
0_0_13045415_24023.cpp:41: error: non-lvalue in unary `&'
0_0_13045415_24023.cpp:41: error: `a' undeclared (first use this function)
0_0_13045415_24023.cpp:41: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_13045415_24023.cpp:41: error: invalid token
0_0_13045415_24023.cpp: In function `void makeans()':
0_0_13045415_24023.cpp:185: error: invalid token
0_0_13045415_24023.cpp:185: error: non-lvalue in unary `&'
0_0_13045415_24023.cpp:185: error: expected `]' before ';' token
0_0_13045415_24023.cpp:185: error: `a' undeclared (first use this function)
0_0_13045415_24023.cpp:185: error: invalid token
0_0_13045415_24023.cpp:185: error: expected primary-expression before ']' token
0_0_13045415_24023.cpp:185: error: expected `;' before ']' token