Eroare de compilare: user.c: In function ‘solve’: user.c:38:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fdin, "%lld", &T); ^ user.c:40:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fdin, "%lld%lld%lld", &N, &M, &P); ^ /tmp/ccqh0b6p.o: In function `solve': user.c:(.text+0x13f8): undefined reference to `power' user.c:(.text+0x155b): undefined reference to `power' collect2: error: ld returned 1 exit status