Compilare: user.cpp: In function ‘int main()’: user.cpp:49:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:53:61: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i = 0; i< n; i++) {fscanf(fin, "%d", &v1[i].val);v1[i].poz = i+1;} ^ user.cpp: In function ‘int interogare(int, int, int, int, int)’: user.cpp:34:1: warning: control reaches end of non-void function [-Wreturn-type] } ^