Compilare: main.cpp: In function 'int main()': main.cpp:38:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && d.size()>0 && x[d[j]].m<x[i].m && ( (j==d.size()-1) || x[d[j]].m>x[d[j+1]].m) ) ~^~~~~~~~~~~~ main.cpp:44:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && d.size()>0 && x[d[j]].m<x[i].m && ( (j==d.size()-1) || x[d[j]].m<x[d[j+1]].m)) ~^~~~~~~~~~~~ main.cpp:50:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && d.size()>0 && x[d[j]].m<x[i].m && ( (j==d.size()-1) || x[d[j]].m>x[d[j+1]].m) ) ~^~~~~~~~~~~~ main.cpp:61:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && s.size()>0 && x[s[j]].m<x[i].m && ( (j==s.size()-1) || x[s[j]].m>x[s[j+1]].m) ) ~^~~~~~~~~~~~ main.cpp:67:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && s.size()>0 && x[s[j]].m<x[i].m && ( (j==s.size()-1) || x[s[j]].m<x[s[j+1]].m)) ~^~~~~~~~~~~~ main.cpp:73:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j>=0 && s.size()>0 && x[s[j]].m<x[i].m && ( (j==s.size()-1) || x[s[j]].m>x[s[j+1]].m) ) ~^~~~~~~~~~~~