Eroare de compilare: user.cpp:4: error: ‘tr1’ is not a namespace-name user.cpp:4: error: expected namespace-name before ‘;’ token user.cpp:9: error: expected constructor, destructor, or type conversion before ‘<’ token user.cpp: In function ‘int main()’: user.cpp:21: error: invalid types ‘int[int]’ for array subscript user.cpp:21: error: invalid types ‘int[int]’ for array subscript user.cpp:26: error: invalid types ‘int[int]’ for array subscript user.cpp:32: error: invalid types ‘int[int]’ for array subscript user.cpp:13: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:14: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result