Compilare: main.cpp: In function 'int main()': main.cpp:101:12: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare] 101 | if (sol!=m) | ~~~^~~ main.cpp:72:18: warning: unused variable 'y' [-Wunused-variable] 72 | unsigned int y=0,x,i,j; | ^ main.cpp:72:26: warning: unused variable 'j' [-Wunused-variable] 72 | unsigned int y=0,x,i,j; | ^