Borderou de evaluare (job #367202)

Compilare: user.cpp: In function ‘int main()’: user.cpp:37:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:40:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:40:66: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:48:53: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:15:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]