Compilare: user.cpp: In function ‘void Subtract(long long unsigned int*, long long unsigned int*)’: user.cpp:41:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=B[0]+1;i<=A[0];) B[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: In function ‘void Shr2(long long unsigned int*, int)’: user.cpp:89:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=Count+1;i<=H[0];i++) H[i-Count]=H[i]; ^ user.cpp: In function ‘void Mult(long long unsigned int*, long long unsigned int)’: user.cpp:99:18: 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:131:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=A[0]+B[0];) C[i++]=0; ^ user.cpp:132:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=A[0];i++) ^ user.cpp:133:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=1;j<=B[0];j++) ^ user.cpp:135:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=C[0];i++) ^ user.cpp: In function ‘void Add(long long unsigned int*, int)’: user.cpp:157:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i <= C[0]; i ++) ^ user.cpp: In function ‘void Add(long long unsigned int*, long long unsigned int*)’: user.cpp:185:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] { for (i=A[0]+1;i<=B[0];) A[i++]=0; ^ user.cpp:188:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else for (i=B[0]+1;i<=A[0];) B[i++]=0; ^ user.cpp:189:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=A[0];i++) ^ user.cpp: In function ‘int main()’: user.cpp:211:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1;i<=A[0]/2;i++) ^ user.cpp:214:27: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long unsigned int*’ [-Wformat=] fscanf(stdin, "%d", &D); ^ user.cpp:201:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]