Compilare: main.cpp: In function 'void read()': main.cpp:23:9: warning: unused variable 'ind' [-Wunused-variable] int ind = -1; ^~~ main.cpp: In function 'void bkt(int)': main.cpp:86:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<immortals.size(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp:93:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<immortals.size(); i++) ~^~~~~~~~~~~~~~~~~ main.cpp:116:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<immortals.size(); i++) ~^~~~~~~~~~~~~~~~~