View Compilation Error

0_0_11163018_29569.cpp: In function `int main()':
0_0_11163018_29569.cpp:39: error: `i' undeclared (first use this function)
0_0_11163018_29569.cpp:39: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11163018_29569.cpp:39: error: `n' undeclared (first use this function)
0_0_11163018_29569.cpp:40: error: `e' undeclared (first use this function)
0_0_11163018_29569.cpp:41: error: `m' undeclared (first use this function)
0_0_11163018_29569.cpp:42: error: `f' undeclared (first use this function)