Compilare: user.cpp: In constructor ‘unionFind::unionFind(int)’: user.cpp:35:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < uParent.size(); i++) uParent[i] = i; ^ user.cpp: In member function ‘void unionFind::reset()’: user.cpp:40:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < uParent.size(); i++) uParent[i] = i; ^ user.cpp: In function ‘int main()’: user.cpp:161:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < G[gind].qVect.size(); j++) { ^ user.cpp:174:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < G1.qVect.size(); j++) { ^ user.cpp:187:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = 0; j < G2.qVect.size(); j++) { ^ user.cpp:114:21: warning: unused variable ‘v’ [-Wunused-variable] int n, m, q, u, v, c, i, j, gind, nStop; ^