Compilare: user.cpp: In function ‘void read()’: user.cpp:87:26: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 2 has type ‘ll* {aka int*}’ [-Wformat=] scanf("%lld%lld", &N, &K); ^ user.cpp:87:26: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘ll* {aka int*}’ [-Wformat=] user.cpp:115:46: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘ll {aka int}’ [-Wformat=] printf("%lld", matrix[N][K][matrix[N][K][0]]); ^ user.cpp:117:35: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘ll {aka int}’ [-Wformat=] printf("%04lld", matrix[N][K][i]); ^ user.cpp:85:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("perm.in", "r", stdin); ^ user.cpp:86:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("perm.out", "w", stdout); ^ user.cpp:87:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld", &N, &K); ^