View Compilation Error

0_0_3067343_30630.cpp: In function `int main()':
0_0_3067343_30630.cpp:8: error: `n' undeclared (first use this function)
0_0_3067343_30630.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_3067343_30630.cpp:11: error: expected `;' before '}' token
0_0_3067343_30630.cpp:12: error: `s' undeclared (first use this function)
0_0_3067343_30630.cpp: At global scope:
0_0_3067343_30630.cpp:14: error: expected unqualified-id before "return"
0_0_3067343_30630.cpp:14: error: expected `,' or `;' before "return"
0_0_3067343_30630.cpp:15: error: expected declaration before '}' token