Compilare: user.cpp: In function ‘int main()’: user.cpp:37:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:40:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &map[i][j]); ^ user.cpp:60:20: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(memo[l][c] != 1) ^ user.cpp:60:20: warning: ‘l’ may be used uninitialized in this function [-Wmaybe-uninitialized]