Compilare: main.cpp: In function 'void dijkstra(int)': main.cpp:7:13: warning: overflow in conversion from 'double' to 'std::vector<int>::value_type' {aka 'int'} changes value from '1.0e+18' to '2147483647' [-Woverflow] 7 | #define inf 1e18 | ^~~~ main.cpp:30:32: note: in expansion of macro 'inf' 30 | vector<int> distances(Nmax,inf); | ^~~ main.cpp: In function 'int main()': main.cpp:7:13: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow] 7 | #define inf 1e18 | ^~~~ main.cpp:92:29: note: in expansion of macro 'inf' 92 | dp[conf][i+1] = inf; | ^~~ main.cpp: In function 'void dijkstra(int)': main.cpp:28:15: warning: iteration 20005 invokes undefined behavior [-Waggressive-loop-optimizations] 28 | viz[j]=0; | ~~~~~~^~ main.cpp:26:18: note: within this loop 26 | for(int j=0;j<=Nmax;j++) | ^ main.cpp:28:15: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset 20005 is out of the bounds [0, 20005] of object 'viz' with type 'bool [20005]' [-Warray-bounds] 28 | viz[j]=0; | ~~~~~~^~ main.cpp:25:10: note: 'viz' declared here 25 | bool viz[Nmax]; | ^~~