Compilare: main.cpp: In function 'int main()': main.cpp:12:34: warning: unused variable 'mini' [-Wunused-variable] int a,b,m,n,i,t,da,st,dr,mij,mini,maxi,nrs,nrsf,punct; ^~~~ main.cpp:12:39: warning: unused variable 'maxi' [-Wunused-variable] int a,b,m,n,i,t,da,st,dr,mij,mini,maxi,nrs,nrsf,punct; ^~~~ main.cpp:46:21: warning: 'nrsf' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<nrsf<<'\n'; ^~~~