Compilare: user.cpp: In function ‘int swap(int, int)’: user.cpp:14:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:23:22: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(f,"%d",&A[i]); ^ user.cpp:28:19: warning: operation on ‘i’ may be undefined [-Wsequence-point] A[i+1] += A[i++]; ^ user.cpp:33:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%d ",MAX); ^ user.cpp:21:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d ",&N); ^ user.cpp:23:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&A[i]); ^