Compilare: main.cpp: In function 'int main()': main.cpp:24:8: warning: 'char* strncpy(char*, const char*, size_t)' accessing between 0 and 199998 bytes at offsets [0, 199999] and 0 may overlap up to 199998 bytes at offset [0, 199997] [-Wrestrict] 24 | strncpy(s+n,s,n-1); | ~~~~~~~^~~~~~~~~~~