Compilare: user.cpp: In function ‘void citire()’: user.cpp:60:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < n; ++i) ^ user.cpp: In function ‘double divide(unsigned int, unsigned int)’: user.cpp:97:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = st; i <= dr; ++i) ^ user.cpp:104:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = st; i <= mid; ++i) ^ user.cpp:106:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = mid + 1; j <= dr; ++j) ^ user.cpp:75:39: warning: unused variable ‘midY’ [-Wunused-variable] double dist1, dist2, d, midX, midY, minim; ^ user.cpp:75:45: warning: unused variable ‘minim’ [-Wunused-variable] double dist1, dist2, d, midX, midY, minim; ^