Compilare: main.cpp: In function 'void Euler(int)': main.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 44 | while (ind[k] < L[k].size()) | ~~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'void Afisare()': main.cpp:76:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | if (poz[x] < piese[x].size()) | ~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp:58:21: warning: unused variable 'z' [-Wunused-variable] 58 | int i, j, x, y, z; | ^