excursia.cpp: In function 'void Lee()': excursia.cpp:36: warning: unused variable 'j' excursia.cpp: In function 'int main()': excursia.cpp:101: warning: unused variable 'i' excursia.cpp:101: warning: unused variable 'j' excursia.cpp: In function 'void Lee()': excursia.cpp:53: warning: 'distanta' may be used uninitialized in this function excursia.cpp:53: warning: 'ef' may be used uninitialized in this function