Eroare de compilare: user.c: In function ‘solve’: user.c:38:13: warning: implicit declaration of function ‘Add’ [-Wimplicit-function-declaration] Add(b,a); Add(ac,a); return; ^ user.c: In function ‘main’: user.c:63:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d %d",&n,&m,&k,&q); ^ user.c:70:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&x,&y); ^ user.c:77:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&x,&y); ^ /tmp/ccdLKbpy.o: In function `solve': user.c:(.text+0x24c): undefined reference to `Add' user.c:(.text+0x2dc): undefined reference to `Add' user.c:(.text+0x318): undefined reference to `Add' user.c:(.text+0x333): undefined reference to `Add' user.c:(.text+0x347): undefined reference to `Add' collect2: error: ld returned 1 exit status