Compilare: main.cpp: In function 'int main()': main.cpp:22:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<intra[i].size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(h=0;h<iese[i].size();h++){ ~^~~~~~~~~~~~~~~ main.cpp:62:74: warning: division by zero [-Wdiv-by-zero] else{fout<<y[sol[i]]<<" "; if(x[sol[i]]!=y[sol[i+1]]) fout<<1/0;} ~^~