Compilare: main.cpp: In function 'int main()': main.cpp:119:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:121:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~ main.cpp:124:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int d=j+1; d<biconex[i].size(); d++) ~^~~~~~~~~~~~~~~~~~ main.cpp:155:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:160:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~ main.cpp:168:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<aux.size(); j++) ~^~~~~~~~~~~ main.cpp:173:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<biconex.size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:177:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0; j<biconex[i].size(); j++) ~^~~~~~~~~~~~~~~~~~