Compilare: main.cpp: In function 'void afisare()': main.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < coordonate.size(); ++i) ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void back(int)': main.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < imortali.size(); ++i) ~~^~~~~~~~~~~~~~~~~ main.cpp:51:40: warning: statement has no effect [-Wunused-value] schimbat[i_nou][j_nou] == 1; ~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp:74:42: warning: statement has no effect [-Wunused-value] schimbat[i_nou][j_nou] == 0; ~~~~~~~~~~~~~~~~~~~~~~~^~~~ main.cpp: In function 'int main()': main.cpp:89:23: warning: self-comparison always evaluates to true [-Wtautological-compare] for (int i = 1; i <= i; ++i) ~~^~~~ main.cpp:88:9: warning: unused variable 'poz' [-Wunused-variable] int poz = 0; ^~~