Compilare: main.cpp: In function 'int main()': main.cpp:67:13: warning: statement has no effect [-Wunused-value] 67 | for(j;j<=l;j++) | ^ main.cpp:46:21: warning: variable 'dr' set but not used [-Wunused-but-set-variable] 46 | int i,ok,j,l,st,dr; | ^~ In file included from /usr/include/c++/12.2.1/algorithm:61, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:65, from main.cpp:1: In function 'constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]', inlined from 'constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' at /usr/include/c++/12.2.1/bits/stl_algo.h:1844:5, inlined from 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' at /usr/include/c++/12.2.1/bits/stl_algo.h:1940:31, inlined from 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = int*; _Compare = __gnu_cxx::__ops::_Iter_less_iter]' at /usr/include/c++/12.2.1/bits/stl_algo.h:1932:5, inlined from 'constexpr void std::sort(_RAIter, _RAIter) [with _RAIter = int*]' at /usr/include/c++/12.2.1/bits/stl_algo.h:4820:18, inlined from 'int main()' at main.cpp:60:13: /usr/include/c++/12.2.1/bits/stl_algo.h:1849:32: warning: array subscript 17 is outside array bounds of 'int [15]' [-Warray-bounds] 1849 | std::__insertion_sort(__first, __first + int(_S_threshold), __comp); | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:40:5: note: at offset 68 into object 'cif' of size 60 40 | int cif[15]; | ^~~ main.cpp:115:11: warning: 'st' may be used uninitialized [-Wmaybe-uninitialized] 115 | x=c[st]; | ~~~~^ main.cpp:46:18: note: 'st' was declared here 46 | int i,ok,j,l,st,dr; | ^~