View Compilation Error

0_0_2420647_16663.cpp:3: error: `main' must return `int'
0_0_2420647_16663.cpp: In function `int main(...)':
0_0_2420647_16663.cpp:5: error: expected `(' before '{' token
0_0_2420647_16663.cpp:5: error: expected primary-expression before '{' token
0_0_2420647_16663.cpp:5: error: expected `)' before '{' token