Eroare de compilare: user.c: In function ‘main’: user.c:13:2: warning: implicit declaration of function ‘fopen_s’ [-Wimplicit-function-declaration] fopen_s(&fin, "lgput.in", "r"); ^ user.c:15:2: warning: implicit declaration of function ‘fscanf_s’ [-Wimplicit-function-declaration] fscanf_s(fin, "%d %d", &N, &P); ^ user.c:40:2: warning: implicit declaration of function ‘fprintf_s’ [-Wimplicit-function-declaration] fprintf_s(fout, "%u", R); ^ /tmp/cctbYsGN.o: In function `main': user.c:(.text.startup+0x24): undefined reference to `fopen_s' user.c:(.text.startup+0x48): undefined reference to `fscanf_s' user.c:(.text.startup+0xc7): undefined reference to `fopen_s' user.c:(.text.startup+0xdf): undefined reference to `fprintf_s' collect2: error: ld returned 1 exit status