View Compilation Error

0_0_4841790_25559.cpp:3: error: `main' must return `int'
0_0_4841790_25559.cpp: In function `int main(...)':
0_0_4841790_25559.cpp:5: error: `N' undeclared (first use this function)
0_0_4841790_25559.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4841790_25559.cpp:5: error: expected `)' before ';' token
0_0_4841790_25559.cpp:5: error: expected `;' before ')' token
0_0_4841790_25559.cpp:14: error: stray '\' in program