Compilare: user.cpp: In function ‘void HugeCopy(long long unsigned int*, long long unsigned int*)’: user.cpp:16:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= a[0]; ++i) ^ user.cpp:18:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= b[0]; ++i) ^ user.cpp: In function ‘void atribValue(long long unsigned int*, int)’: user.cpp:34:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= a[0]; ++i) ^ user.cpp: In function ‘void add(long long unsigned int*, long long unsigned int*)’: user.cpp:48:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = a[0] + 1; i <= b[0]; ++i) ^ user.cpp:52:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= a[0]; ++i) { ^ user.cpp: In function ‘void mult(long long unsigned int*, long long unsigned int)’: user.cpp:63:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1; i <= a[0]; ++i) ^ user.cpp: In function ‘void subtract(long long unsigned int*, long long unsigned int*)’: user.cpp:85:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = b[0] + 1; i <= a[0]; ++i) ^ user.cpp:87:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1; i <= a[0]; ++i) { ^