color.cpp:1:26: bits/stdc++.h: No such file or directory color.cpp: In function `int main()': color.cpp:9: `ios_base' undeclared (first use this function) color.cpp:9: (Each undeclared identifier is reported only once for each function it appears in.) color.cpp:9: parse error before `::' token color.cpp:10: `cin' undeclared (first use this function) color.cpp:18: `abs' undeclared (first use this function) color.cpp:20: `cout' undeclared (first use this function)