inginer.cpp: In function 'void citire()': inginer.cpp:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result inginer.cpp:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result inginer.cpp:17: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result inginer.cpp:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result inginer.cpp: In function 'int main()': inginer.cpp:96: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result inginer.cpp: In function 'void lee(int, int, int, int)': inginer.cpp:36: warning: 'u1' may be used uninitialized in this function inginer.cpp:36: warning: 'u2' may be used uninitialized in this function