Compilare: user.cpp:7:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(push) ^ user.cpp:8:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable: 4996) ^ user.cpp:67:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(pop) ^ user.cpp: In function ‘int main()’: user.cpp:58:36: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘__gnu_cxx::__alloc_traits<std::allocator<participant> >::value_type {aka participant}’ [-Wformat=] printf("%d ", participanti[i][j]); ^ user.cpp:33:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rating.in", "r", stdin); ^ user.cpp:34:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rating.out", "w", stdout); ^ user.cpp:36:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &nr_participanti, &nr_runde); ^ user.cpp:42:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^