Borderou de evaluare (job #218621)

Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9:8: error: expected initializer before ‘>>’ token user.cpp:10:9: error: ‘i’ was not declared in this scope user.cpp:10:16: error: ‘n’ was not declared in this scope user.cpp:11:14: error: ‘nr’ was not declared in this scope user.cpp:14:9: error: ‘i’ was not declared in this scope user.cpp:15:13: error: ‘j’ was not declared in this scope user.cpp:6:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result]