Compilare: main.cpp: In function 'int main()': main.cpp:45:49: warning: array subscript -1 is below array bounds of 'bool [52]' [-Warray-bounds] 45 | adj[letterToNumber(a)][letterToNumber(b)] = 1; | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ main.cpp:8:6: note: while referencing 'adj' 8 | bool adj[52][52], adjT[52][52], v[52]; | ^~~ main.cpp:46:31: warning: array subscript -1 is below array bounds of 'bool [52][52]' [-Warray-bounds] 46 | adjT[letterToNumber(b)][letterToNumber(a)] = 1; | ~~~~~~~~~~~~~~~~~~~~~~^ main.cpp:8:19: note: while referencing 'adjT' 8 | bool adj[52][52], adjT[52][52], v[52]; | ^~~~