View Compilation Error

0_0_6976133_6813.cpp: In function `int mian()':
0_0_6976133_6813.cpp:6: error: invalid operands of types `const char[3]' and `int' to binary `operator&'
0_0_6976133_6813.cpp:9: error: invalid operands of types `int*' and `int' to binary `operator&'
0_0_6976133_6813.cpp: In function `int fun(int, int)':
0_0_6976133_6813.cpp:27: error: `retunrn' undeclared (first use this function)
0_0_6976133_6813.cpp:27: error: (Each undeclared identifier is reported only once for each function it appears in.)