Borderou de evaluare (job #438524)

Compilare: user.cpp: In function ‘std::string task(std::string, int)’: user.cpp:14:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘std::string adun(std::string, std::string)’: user.cpp:29:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:30:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:32:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:46:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]