Compilare: user.cpp: In function ‘void Mult(long long unsigned int*, long long unsigned int)’: user.cpp:25:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=H[0];i++) ^ user.cpp: In function ‘void MultHuge(long long unsigned int*, long long unsigned int*, long long unsigned int*)’: user.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=A[0]+B[0];) C[i++]=0; ^ user.cpp:42:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=A[0];i++) ^ user.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=B[0];j++) ^ user.cpp:45:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=C[0];i++) ^ user.cpp: In function ‘int main()’: user.cpp:69:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=t;i++) ^ user.cpp:88:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=1;j<=n;j++) ^ user.cpp:72:20: warning: unused variable ‘s’ [-Wunused-variable] unsigned long long s=0; ^