Eroare de compilare: main.cpp: In function 'int main()': main.cpp:14:31: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] char line[MAX_N] = { NULL }; ^ main.cpp:48:40: error: 'memset' was not declared in this scope memset(sz, 0, sizeof(int) * 256); ^ main.cpp:13:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d", &n, &m); ^ main.cpp:27:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", line); ^ Non zero exit status: 1