Compilare: user.c: In function ‘permutare’: user.c:37:15: warning: unused variable ‘j’ [-Wunused-variable] int i = 0,j; ^ user.c: In function ‘main’: user.c:63:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^~~~~~~~~~~~~~~~~ user.c:67:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&d); ^~~~~~~~~~~~~~~~~ user.c:69:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[j]); ^~~~~~~~~~~~~~~~~~~~