traseu1.cpp: In function 'int main()': traseu1.cpp:6: error: 'n' was not declared in this scope traseu1.cpp:6: error: 'm' was not declared in this scope traseu1.cpp:7: error: 'i' was not declared in this scope traseu1.cpp:8: error: 'x' was not declared in this scope traseu1.cpp:8: error: 'y' was not declared in this scope traseu1.cpp:8: error: 'z' was not declared in this scope traseu1.cpp:9: error: 'a' was not declared in this scope traseu1.cpp:12: error: 's' was not declared in this scope