Compilare: main.cpp: In function 'void solve()': main.cpp:77:24: warning: 'idk2' may be used uninitialized [-Wmaybe-uninitialized] 77 | gr1 = copyCost[idk2]; | ~~~~~~~~~~~~~^ main.cpp:69:15: note: 'idk2' was declared here 69 | int idk1, idk2, ok; | ^~~~ main.cpp:80:19: warning: 'ok' may be used uninitialized [-Wmaybe-uninitialized] 80 | if(i == 2 * ok || i == 2 * ok - 1) | ~~^~~~ main.cpp:69:21: note: 'ok' was declared here 69 | int idk1, idk2, ok; | ^~ In function 'bool isAncestor(int, int)', inlined from 'void solve()' at main.cpp:82:22: main.cpp:34:28: warning: 'idk1' may be used uninitialized [-Wmaybe-uninitialized] 34 | return (tin[a] <= tin[b] && tout[b] <= tout[a]); | ^ main.cpp: In function 'void solve()': main.cpp:69:9: note: 'idk1' was declared here 69 | int idk1, idk2, ok; | ^~~~