Compilare: main.cpp: In function 'void viz0()': main.cpp:18:19: warning: iteration 200000 invokes undefined behavior [-Waggressive-loop-optimizations] 18 | viz[i]=0; | ~~~~~~^~ main.cpp:17:18: note: within this loop 17 | for(int i=1;i<=200001;i++) | ~^~~~~~~~ main.cpp:18:19: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [800004, 800007] is out of the bounds [0, 800004] of object 'viz' with type 'int [200001]' [-Warray-bounds] 18 | viz[i]=0; | ~~~~~~^~ main.cpp:14:18: note: 'viz' declared here 14 | int cost[400001],viz[200001]; | ^~~ In function 'void viz0()', inlined from 'int main()' at main.cpp:75:17: main.cpp:18:19: warning: 'void* __builtin_memset(void*, int, long unsigned int)' forming offset [800004, 800007] is out of the bounds [0, 800004] of object 'viz' with type 'int [200001]' [-Warray-bounds] 18 | viz[i]=0; | ~~~~~~^~ main.cpp: In function 'int main()': main.cpp:14:18: note: 'viz' declared here 14 | int cost[400001],viz[200001]; | ^~~