Compilare: main.c: In function 'main': main.c:72:36: warning: passing argument 2 of 'memset' makes integer from pointer without a cast [-Wint-conversion] memset(valuesMatrix[i], NULL, sizeof(int) * (n + BIAS)); ^~~~ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from main.c:1: /usr/include/x86_64-linux-gnu/bits/string3.h:78:1: note: expected 'int' but argument is of type 'void *' __NTH (memset (void *__dest, int __ch, size_t __len)) ^ main.c:73:36: warning: passing argument 2 of 'memset' makes integer from pointer without a cast [-Wint-conversion] memset(neighbourMatrix[i], NULL, sizeof(int) * (n + BIAS)); ^~~~ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from main.c:1: /usr/include/x86_64-linux-gnu/bits/string3.h:78:1: note: expected 'int' but argument is of type 'void *' __NTH (memset (void *__dest, int __ch, size_t __len)) ^ main.c:60:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:81:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d %d", &x, &y, &c); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~