patrate2.cpp: In function 'int main()': patrate2.cpp:20: error: 'n' was not declared in this scope patrate2.cpp:20: error: 'h' was not declared in this scope patrate2.cpp:21: error: 'i' was not declared in this scope patrate2.cpp:23: error: 'c' was not declared in this scope patrate2.cpp:23: error: 'p' was not declared in this scope patrate2.cpp:24: error: 'a' was not declared in this scope patrate2.cpp:27: error: 'a' was not declared in this scope patrate2.cpp:27: error: 'sort' was not declared in this scope