piramide.cpp:1: error: stray '#' in program piramide.cpp:1: error: expected unqualified-id before '?' token piramide.cpp: In function 'int main()': piramide.cpp:7: error: 'ifstream' was not declared in this scope piramide.cpp:7: error: expected ';' before 'fin' piramide.cpp:8: error: 'ofstream' was not declared in this scope piramide.cpp:8: error: expected ';' before 'fout' piramide.cpp:10: error: 'fin' was not declared in this scope piramide.cpp:30: error: 'fout' was not declared in this scope piramide.cpp:30: error: 'endl' was not declared in this scope