Compilare: user.cpp: In function ‘void read()’: user.cpp:20:20: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%hd", &N); ^ user.cpp:24:20: warning: format ‘%hd’ expects argument of type ‘short int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%hd", &K); ^ user.cpp:19:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sudest.in", "r", stdin); ^ user.cpp:20:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd", &N); ^ user.cpp:23:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd", &A[i][j]); ^ user.cpp:24:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd", &K); ^ user.cpp:26:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hd", &steps[i]); ^ user.cpp: In function ‘void solve()’: user.cpp:73:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sudest.out","w",stdout); ^