Compilare: user.cpp: In function ‘void readdata()’: user.cpp:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void writedata()’: user.cpp:67: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘int*’ user.cpp:67: warning: format ‘%d’ expects type ‘int’, but argument 4 has type ‘int*’ user.cpp: In function ‘int MinT(int)’: user.cpp:77: warning: ‘j’ may be used uninitialized in this function