Eroare de compilare: user.cpp:4:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(push) ^ user.cpp:5:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(disable: 4996) ^ user.cpp:36:0: warning: ignoring #pragma warning [-Wunknown-pragmas] #pragma warning(pop) ^ user.cpp: In function ‘int main()’: user.cpp:23:31: error: ‘abs’ was not declared in this scope if (l1 >= l2 || (abs(l1 - l2) < abs(c1 - c2))) ^ user.cpp:23:31: note: suggested alternative: In file included from user.cpp:2:0: /usr/include/c++/4.8/cmath:99:5: note: ‘std::abs’ abs(_Tp __x) ^ user.cpp:13:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dragonas.in", "r", stdin); ^ user.cpp:14:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("dragonas.out", "w", stdout); ^ user.cpp:16:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &nr_teste); ^ user.cpp:20:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:21:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &l1, &c1, &l2, &c2); ^