0_0_15775370_28512.cpp:12:9: error: stray '\' in program printf("%lf0.0000"\n); ^ 0_0_15775370_28512.cpp: In function 'int main()': 0_0_15775370_28512.cpp:12:28: error: expected ')' before 'n' printf("%lf0.0000"\n); ^