Compilare: main.cpp: In function 'int main()': main.cpp:56:39: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int j=0;j<strlen(s);j++) {a[i][j+1]=s[i]-'0'; | ~^~~~~~~~~~ main.cpp: In function 'void rotire()': main.cpp:36:16: warning: iteration 201 invokes undefined behavior [-Waggressive-loop-optimizations] 36 | h[i][j]=0; | ~~~~~~~^~ main.cpp:35:14: note: within this loop 35 | for(j=0;j<=201;j++) | ~^~~~~