View Compilation Error

0_0_13049271_1667.cpp:2: error: `main' must return `int'
0_0_13049271_1667.cpp: In function `int main(...)':
0_0_13049271_1667.cpp:45: error: `printf' undeclared (first use this function)
0_0_13049271_1667.cpp:45: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_13049271_1667.cpp:46: error: return-statement with no value, in function returning 'int'