Compilare: main.c: In function 'main': main.c:103:9: warning: implicit declaration of function 'memset' [-Wimplicit-function-declaration] 103 | memset(r, 0, sizeof(r)); | ^~~~~~ main.c:4:1: note: include '<string.h>' or provide a declaration of 'memset' 3 | #include <math.h> +++ |+#include <string.h> 4 | unsigned short int p[330000],inceput[55001],batog[234][11001],batog2[234][11001],to; main.c:103:9: warning: incompatible implicit declaration of built-in function 'memset' [-Wbuiltin-declaration-mismatch] 103 | memset(r, 0, sizeof(r)); | ^~~~~~ main.c:103:9: note: include '<string.h>' or provide a declaration of 'memset' main.c:56:21: warning: variable 'lastRamasi' set but not used [-Wunused-but-set-variable] 56 | int lastX,lastY,lastRamasi; | ^~~~~~~~~~ main.c:62:18: warning: 'lastY' may be used uninitialized [-Wmaybe-uninitialized] 62 | if(x==lastX&& y==lastY){ | ~~~~~~~~^~~~~~~~~~~ main.c:56:15: note: 'lastY' was declared here 56 | int lastX,lastY,lastRamasi; | ^~~~~ main.c:62:9: warning: 'lastX' may be used uninitialized [-Wmaybe-uninitialized] 62 | if(x==lastX&& y==lastY){ | ^ main.c:56:9: note: 'lastX' was declared here 56 | int lastX,lastY,lastRamasi; | ^~~~~ main.c:63:11: warning: 'ramasi' may be used uninitialized [-Wmaybe-uninitialized] 63 | fprintf(fout, "%d\n", ramasi); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:11:18: note: 'ramasi' was declared here 11 | register int ramasi; | ^~~~~~