Borderou de evaluare (job #363497)

Compilare: user.cpp: In function ‘int main()’: user.cpp:33:27: warning: variable ‘l’ set but not used [-Wunused-but-set-variable] user.cpp:33:30: warning: variable ‘c’ set but not used [-Wunused-but-set-variable] user.cpp:26:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:27:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:32:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:81:25: warning: ‘nj’ may be used uninitialized in this function [-Wuninitialized] user.cpp:80:27: warning: ‘ni’ may be used uninitialized in this function [-Wuninitialized]