View Compilation Error

57577_0_1587.cpp:3: error: `N' was not declared in this scope
57577_0_1587.cpp:4: error: expected `,' or `;' before '{' token
57577_0_1587.cpp: In function `int main()':
57577_0_1587.cpp:13: error: `N' undeclared (first use this function)
57577_0_1587.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
57577_0_1587.cpp:16: error: `lin' cannot be used as a function