Borderou de evaluare (job #564319)

Compilare: user.cpp: In function ‘void reconstituire()’: user.cpp:22:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:23:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:69:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:73:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:74:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:77:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:78:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:104:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘std::pair<int, int> next_poz(std::pair<int, int>, int)’: user.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type]