Compilare: main.cpp: In function 'void afis()': main.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] {for(j=0; j<v[i].size(); j++) ~^~~~~~~~~~~~ main.cpp: In function 'void euler()': main.cpp:41:9: warning: variable 'next' set but not used [-Wunused-but-set-variable] int next, poz,i, twist, m; ^~~~ main.cpp:41:19: warning: unused variable 'i' [-Wunused-variable] int next, poz,i, twist, m; ^ main.cpp:41:22: warning: variable 'twist' set but not used [-Wunused-but-set-variable] int next, poz,i, twist, m; ^~~~~ main.cpp: In function 'int main()': main.cpp:67:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1; i<=n; i++) ^~~ main.cpp:70:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<ok<<'\n'; ^