Compilare: main.cpp: In function 'int main()': main.cpp:33:26: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 33 | if(dqu.size()==n+1) | ~~~~~~~~~~^~~~~ main.cpp:10:44: warning: unused variable 'lenght' [-Wunused-variable] 10 | int n,val,semn,i,sum=0,smax=-2e9,start,lenght,fst,fln; | ^~~~~~ main.cpp:50:36: warning: 'fln' may be used uninitialized [-Wmaybe-uninitialized] 50 | fout<<smax<<' '<<fst<<' '<<fln-1; | ^ main.cpp:10:55: note: 'fln' was declared here 10 | int n,val,semn,i,sum=0,smax=-2e9,start,lenght,fst,fln; | ^~~ main.cpp:50:27: warning: 'fst' may be used uninitialized [-Wmaybe-uninitialized] 50 | fout<<smax<<' '<<fst<<' '<<fln-1; | ^~~ main.cpp:10:51: note: 'fst' was declared here 10 | int n,val,semn,i,sum=0,smax=-2e9,start,lenght,fst,fln; | ^~~