0_0_6584075_21550.cpp:4: error: `main' must return `int' 0_0_6584075_21550.cpp: In function `int main(...)': 0_0_6584075_21550.cpp:12: error: expected primary-expression before "double" 0_0_6584075_21550.cpp:12: error: expected `)' before "double"