View Compilation Error

100379_0_8582.cpp:3: error: `main' must return `int'
100379_0_8582.cpp: In function `int main(...)':
100379_0_8582.cpp:6: error: `Printf' undeclared (first use this function)
100379_0_8582.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)