Compilare: user.cpp:9:33: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] int d[10001][72],k,lim[30],MIN=1<<31-1,n,xx,m,u,x,i,y,j,a[30],ve[78],vec[78]; ^ user.cpp: In function ‘int main()’: user.cpp:37:22: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] d[i][j]=1<<31-1; ^ user.cpp:46:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v[x].size();i++) ^