Compilare: main.cpp: In function 'int getMinDiff(int, int)': main.cpp:20:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < vect[a].size() && j < vect[b].size()) { ~~^~~~~~~~~~~~~~~~ main.cpp:20:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (i < vect[a].size() && j < vect[b].size()) { ~~^~~~~~~~~~~~~~~~ main.cpp:21:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < vect[b].size() && (i >= vect[a].size() || vect[a][i] > vect[b][j])) { ~~^~~~~~~~~~~~~~~~ main.cpp:21:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (j < vect[b].size() && (i >= vect[a].size() || vect[a][i] > vect[b][j])) { ~~^~~~~~~~~~~~~~~~~ main.cpp:27:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i < vect[a].size() && j < vect[b].size()) ~~^~~~~~~~~~~~~~~~ main.cpp:27:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i < vect[a].size() && j < vect[b].size()) ~~^~~~~~~~~~~~~~~~ main.cpp: In function 'int getMedianValue(int, int)': main.cpp:70:12: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] return ans; ^~~