Compilare: user.cpp: In function ‘void sterg(int, int)’: user.cpp:15:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < v[ i ].a.size(); k++) ^ user.cpp:18:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int k = 0; k < v[ j ].a.size(); k++) ^ user.cpp: In function ‘int caut(int)’: user.cpp:25:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[ x ].a.size(); i++) ^ user.cpp:31:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[ x ].a.size(); i++) ^ user.cpp: In function ‘int main()’: user.cpp:72:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[ xx ].a.size(); i++) ^ user.cpp:124:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < b.size(); i++) ^ user.cpp: In function ‘int caut(int)’: user.cpp:30:24: warning: ‘mii’ may be used uninitialized in this function [-Wmaybe-uninitialized] mi = v[ x ].a[ mii ]; ^