Borderou de evaluare (job #29233)

Compilare: user.cpp: In function 'void cautarePeLini(int, int, int)': user.cpp:21:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:29:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:43:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:51:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'void cautarePeColoane(int, int, int)': user.cpp:69:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:77:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:91:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:99:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'int main()': user.cpp:139:11: warning: unused variable 'poz' [-Wunused-variable] user.cpp:109:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:110:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:111:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:112:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:116:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:118:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:129:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:133:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]