Compilare: main.cpp: In function 'void distante()': main.cpp:41:9: warning: unused variable 'i' [-Wunused-variable] int i,j,lin,col,lv,cv,k; ^ main.cpp:41:11: warning: unused variable 'j' [-Wunused-variable] int i,j,lin,col,lv,cv,k; ^ main.cpp: In function 'int main()': main.cpp:116:9: warning: unused variable 'i' [-Wunused-variable] int i,j; ^ main.cpp:116:11: warning: unused variable 'j' [-Wunused-variable] int i,j; ^ main.cpp: In function 'void solve()': main.cpp:110:15: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sol-1; ^