Compilare: main.cpp: In function 'bool cupleaza(int)': main.cpp:65:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < G[nod].size(); i++ ){ ~~^~~~~~~~~~~~~~~ main.cpp:79:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int i = 0; i < G[nod].size(); i++ ){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:123:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it = 0; it < Order_A.size(); it++ ){ ~~~^~~~~~~~~~~~~~~~ main.cpp:127:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int it1 = 0; it1 < Order_B.size(); it1++ ){ ~~~~^~~~~~~~~~~~~~~~ main.cpp:140:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int p = 0; p < A[i].size(); p++ ){ ~~^~~~~~~~~~~~~ main.cpp:143:41: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int p1 = 0; p1 < B[j].size(); p1++ ){ ~~~^~~~~~~~~~~~~ main.cpp:169:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for( int p = 0; p < A[i].size(); p++ ) ~~^~~~~~~~~~~~~