Compilare: user.cpp: In function ‘int main()’: user.cpp:91:12: warning: unused variable ‘s1’ [-Wunused-variable] int n, s1, j, ok = 1, poz; ^ user.cpp:91:16: warning: unused variable ‘j’ [-Wunused-variable] int n, s1, j, ok = 1, poz; ^ user.cpp: In function ‘int find(int*, int, int, int)’: user.cpp:87:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:94:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &n); ^ user.cpp:97:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &x[i]); ^ user.cpp:100:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%i", &perm[i]); ^