Compilare: user.cpp: In function ‘int main()’: user.cpp:37:29: warning: narrowing conversion of ‘((((int)j) - ((int)i)) + 1)’ from ‘int’ to ‘short int’ inside { } [-Wnarrowing] v[++nr]={i,j,j-i+1}; ^ user.cpp:59:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(short k=0;k<R[j].size();++k){ ^