Compilare: user.cpp: In function ‘int main()’: user.cpp:90:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i< v[0].v.size(); i++) ^ user.cpp:107:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i< v[arc.destinatie].v.size(); i++) ^ user.cpp:166:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i< v2[n+1].v.size(); i++) ^ user.cpp:184:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i< v2[arc.destinatie].v.size(); i++) ^ user.cpp:33:24: warning: unused variable ‘b’ [-Wunused-variable] int i, j, n, m, a, b, c; ^ user.cpp:33:27: warning: unused variable ‘c’ [-Wunused-variable] int i, j, n, m, a, b, c; ^ user.cpp:123:9: warning: unused variable ‘aux’ [-Wunused-variable] int aux, min = 1000000000, pm; ^ user.cpp:123:14: warning: unused variable ‘min’ [-Wunused-variable] int aux, min = 1000000000, pm; ^ user.cpp:123:32: warning: unused variable ‘pm’ [-Wunused-variable] int aux, min = 1000000000, pm; ^