Borderou de evaluare (job #343501)

Compilare: user.cpp: In function ‘int main()’: user.cpp:127:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:129:11: warning: unused variable ‘sum’ [-Wunused-variable] user.cpp:88:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:89:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:120:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:123:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]