ksecv.cpp:1:2: error: invalid preprocessing directive #iinclude ksecv.cpp:5: error: 'ifstream' does not name a type ksecv.cpp:6: error: 'ofstream' does not name a type ksecv.cpp:11: warning: non-local variable '<anonymous struct> v [1001]' uses anonymous type ksecv.cpp: In function 'int main()': ksecv.cpp:15: error: 'f' was not declared in this scope ksecv.cpp:18: error: 'd' was not declared in this scope ksecv.cpp:22: error: 'g' was not declared in this scope