View Compilation Error

0_0_6878349_30837.cpp:5: error: `a' was not declared in this scope
0_0_6878349_30837.cpp:5: error: `b' was not declared in this scope
0_0_6878349_30837.cpp:5: error: `c' was not declared in this scope
0_0_6878349_30837.cpp:5: error: `d' was not declared in this scope
0_0_6878349_30837.cpp:6: error: initializer expression list treated as compound expression
0_0_6878349_30837.cpp:6: error: expected `,' or `;' before '{' token
0_0_6878349_30837.cpp: In function `int main()':
0_0_6878349_30837.cpp:29: error: `_min' cannot be used as a function