Compilare: main.cpp: In function 'int main()': main.cpp:99:40: warning: 'ifn' may be used uninitialized [-Wmaybe-uninitialized] 99 | while (!h.empty() and !viz[ifn][jfn]){ | ~~~~~~~~~~~~^ main.cpp:69:9: note: 'ifn' was declared here 69 | int ifn,jfn; | ^~~ main.cpp:99:40: warning: 'jfn' may be used uninitialized [-Wmaybe-uninitialized] 99 | while (!h.empty() and !viz[ifn][jfn]){ | ~~~~~~~~~~~~^ main.cpp:69:13: note: 'jfn' was declared here 69 | int ifn,jfn; | ^~~ main.cpp:98:27: warning: 'jst' may be used uninitialized [-Wmaybe-uninitialized] 98 | int ans = Lee[ist][jst]; | ~~~~~~~~~~~~^ main.cpp:68:13: note: 'jst' was declared here 68 | int ist,jst; | ^~~ main.cpp:98:27: warning: 'ist' may be used uninitialized [-Wmaybe-uninitialized] 98 | int ans = Lee[ist][jst]; | ~~~~~~~~~~~~^ main.cpp:68:9: note: 'ist' was declared here 68 | int ist,jst; | ^~~