Compilare: user.cpp: In function ‘int main()’: user.cpp:37:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &n, &m, &k, &e); ^ user.cpp:48:73: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d", &v[i].tip, &x, &y, &v[i].st, &v[i].dr); ^ user.cpp:49:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] if(v[i].tip==2) fscanf(fin, "%d", &v[i].new_dir); ^ user.cpp:102:27: warning: ‘scy’ may be used uninitialized in this function [-Wmaybe-uninitialized] a[scx][scy]=-2; ^ user.cpp:102:27: warning: ‘scx’ may be used uninitialized in this function [-Wmaybe-uninitialized]