Eroare de compilare: user.c:3:17: error: bitset: No such file or directory user.c:11: error: variably modified ‘P’ at file scope user.c:12: warning: data definition has no type or storage class user.c:12: warning: type defaults to ‘int’ in declaration of ‘viz’ user.c:12: error: variably modified ‘viz’ at file scope user.c: In function ‘ciur’: user.c:15: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:15: note: use option -std=c99 or -std=gnu99 to compile your code user.c:19: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c: In function ‘solve’: user.c:45: error: ‘for’ loop initial declarations are only allowed in C99 mode user.c:41: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result user.c: In function ‘main’: user.c:74: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result