Compilare: user.c: In function ‘main’: user.c:38:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j>i) ^ user.c:57:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j>i) ^ user.c:83:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(j>i) ^ user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&n); ^ user.c:13:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d" ,&nr); ^