pavari.cpp:1:10: error: #include expects "FILENAME" or <FILENAME> pavari.cpp:2:10: error: #include expects "FILENAME" or <FILENAME> pavari.cpp:3:10: error: #include expects "FILENAME" or <FILENAME> pavari.cpp: In function 'int main()': pavari.cpp:8: error: 'ifstream' was not declared in this scope pavari.cpp:8: error: expected ';' before 'fin' pavari.cpp:9: error: 'ofstream' was not declared in this scope pavari.cpp:9: error: expected ';' before 'fout' pavari.cpp:10: error: 'fin' was not declared in this scope pavari.cpp:18: error: 'pow' was not declared in this scope pavari.cpp:21: error: 'pow' was not declared in this scope pavari.cpp:32: error: 'fout' was not declared in this scope