View Compilation Error

0_0_13017453_22418.cpp:1:9: #include expects "FILENAME" or <FILENAME>
0_0_13017453_22418.cpp:2: error: `nbsp' declared as reference but not initialized
0_0_13017453_22418.cpp: In function `int main()':
0_0_13017453_22418.cpp:3: error: `nbsp' declared as reference but not initialized
0_0_13017453_22418.cpp:3: error: `a' undeclared (first use this function)
0_0_13017453_22418.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_13017453_22418.cpp:3: error: `b' undeclared (first use this function)
0_0_13017453_22418.cpp:4: error: expected `)' before ';' token
0_0_13017453_22418.cpp:4: error: expected `;' before ')' token
0_0_13017453_22418.cpp:5: error: expected `)' before ';' token
0_0_13017453_22418.cpp:5: error: expected `;' before ')' token
0_0_13017453_22418.cpp:6: error: invalid conversion from `int*' to `int'