Compilare: main.cpp: In function 'int main()': main.cpp:9:12: warning: variable 'sumval' set but not used [-Wunused-but-set-variable] 9 | int x, sumval, ind, st, dr = 1; | ^~~~~~ main.cpp:9:20: warning: unused variable 'ind' [-Wunused-variable] 9 | int x, sumval, ind, st, dr = 1; | ^~~ main.cpp:20:16: warning: 'st' may be used uninitialized [-Wmaybe-uninitialized] 20 | fout << dr - st + 1; | ~~~^~~~ main.cpp:9:25: note: 'st' was declared here 9 | int x, sumval, ind, st, dr = 1; | ^~