Compilare: main.cpp: In function 'int main()': main.cpp:112:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:114:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~ main.cpp:117:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int d=j+1; d<biconex[i].size(); d++) ~^~~~~~~~~~~~~~~~~~ main.cpp:148:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:153:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~ main.cpp:161:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<aux.size();j++) ~^~~~~~~~~~~ main.cpp:166:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:170:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~