Compilare: main.cpp: In function 'int main()': main.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for(i=0;i<m[c[p].p].size();i++) | ~^~~~~~~~~~~~~~~~~ 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:61:9: /usr/include/c++/12.2.1/bits/stl_algo.h:1849:32: warning: array subscript 17 is outside array bounds of 'int [10]' [-Warray-bounds] 1849 | std::__insertion_sort(__first, __first + int(_S_threshold), __comp); | ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:14:5: note: at offset 68 into object 'v' of size 40 14 | int v[10],d[10]; | ^