Compilare: user.cpp: In function ‘int main()’: user.cpp:43:44: warning: unused variable ‘c’ [-Wunused-variable] long long begin[1001], end[1001], eMax=0, c, ci, length=0, maxLength=0, vmin; ^ user.cpp:43:51: warning: unused variable ‘length’ [-Wunused-variable] long long begin[1001], end[1001], eMax=0, c, ci, length=0, maxLength=0, vmin; ^ user.cpp:43:74: warning: unused variable ‘vmin’ [-Wunused-variable] long long begin[1001], end[1001], eMax=0, c, ci, length=0, maxLength=0, vmin; ^ user.cpp:44:14: warning: unused variable ‘hi’ [-Wunused-variable] int n,h, hi; ^