Compilare: user.cpp:1:9: warning: #pragma once in main file #pragma once ^~~~ user.cpp: In function ‘int td(int)’: user.cpp:22:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = index + 1; i < sir.size(); i++) { ~~^~~~~~~~~~~~ user.cpp: In function ‘void afis()’: user.cpp:57:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < siruriMaximale.size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:85:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sir.size(); i++) ~~^~~~~~~~~~~~ user.cpp: In function ‘void afis()’: user.cpp:72:18: warning: ‘pos’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << sir[pos] << " "; ^