Compilare: user.cpp: In function ‘void update(int, int, int)’: user.cpp:7:10: warning: statement has no effect [-Wunused-value] for(poz; poz<=n; poz+=zero(poz)) ^ user.cpp: In function ‘int suma(int)’: user.cpp:13:10: warning: statement has no effect [-Wunused-value] for(poz; poz>0; poz-=zero(poz)) ^ user.cpp: In function ‘int main()’: user.cpp:23:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:25:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a); ^ user.cpp:30:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &op, &a, &b); ^