Borderou de evaluare (job #169506)

Compilare: user.c: In function ‘main’: user.c:93:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘calcul’: user.c:38:16: warning: ‘z’ may be used uninitialized in this function [-Wuninitialized] user.c: In function ‘calcul2’: user.c:78:15: warning: ‘id’ may be used uninitialized in this function [-Wuninitialized] user.c:76:16: warning: ‘z’ may be used uninitialized in this function [-Wuninitialized]