Compilare: main.cpp: In function 'void bfs(int, int)': main.cpp:22:46: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 22 | if(c[yy][xx]==-1 or finy==yy and finx==xx){ | ~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:68:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 68 | if(dpD[yy][xx]>0 or yy==yd and xx==xd){ | ~~~~~~~^~~~~~~~~~ In file included from /usr/include/c++/12.2.1/bits/stl_algobase.h:64, from /usr/include/c++/12.2.1/string:50, from /usr/include/c++/12.2.1/bits/locale_classes.h:40, from /usr/include/c++/12.2.1/bits/ios_base.h:41, from /usr/include/c++/12.2.1/ios:42, from /usr/include/c++/12.2.1/istream:38, from /usr/include/c++/12.2.1/fstream:38, from main.cpp:1: In constructor 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = int&; _T1 = int; _T2 = int]', inlined from 'int main()' at main.cpp:57:17: /usr/include/c++/12.2.1/bits/stl_pair.h:281:42: warning: 'xt' may be used uninitialized [-Wmaybe-uninitialized] 281 | : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:18: note: 'xt' was declared here 35 | int yd,xd,yt,xt; | ^~ In constructor 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = int&; _T1 = int; _T2 = int]', inlined from 'int main()' at main.cpp:57:17: /usr/include/c++/12.2.1/bits/stl_pair.h:281:11: warning: 'yt' may be used uninitialized [-Wmaybe-uninitialized] 281 | : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:15: note: 'yt' was declared here 35 | int yd,xd,yt,xt; | ^~ main.cpp:68:44: warning: 'xd' may be used uninitialized [-Wmaybe-uninitialized] 68 | if(dpD[yy][xx]>0 or yy==yd and xx==xd){ | ~~~~~~~^~~~~~~~~~ main.cpp:35:12: note: 'xd' was declared here 35 | int yd,xd,yt,xt; | ^~ main.cpp:68:34: warning: 'yd' may be used uninitialized [-Wmaybe-uninitialized] 68 | if(dpD[yy][xx]>0 or yy==yd and xx==xd){ | ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~ main.cpp:35:9: note: 'yd' was declared here 35 | int yd,xd,yt,xt; | ^~