Compilare: user.cpp: In function ‘int main()’: user.cpp:23:18: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] d[i][j]=1<<31-1; ^ user.cpp:32:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ^ user.cpp:39:17: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] din[i]=1<<31-1; ^ user.cpp:54:16: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] d1[i]=1<<31-1; ^ user.cpp:60:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ^ user.cpp:67:19: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] MIN1=MIN=1<<31-1; ^ user.cpp:69:20: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] d2[i]=1<<31-1; ^ user.cpp:75:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<v[x].size();j++) ^