puncte6.c: In function 'main': puncte6.c:57: warning: suggest explicit braces to avoid ambiguous 'else' puncte6.c:49: warning: unused variable 'a' puncte6.c:51: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result puncte6.c:54: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result