Compilare: user.cpp: In function ‘void SolveAndWrite()’: user.cpp:61:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp: In function ‘void Write()’: user.cpp:99:9: warning: unused variable ‘ind’ [-Wunused-variable] int ind; ^ user.cpp: In function ‘void Read()’: user.cpp:46:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "%d%d%d\n", &N, &M, &Q ); ^ user.cpp:50:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "%d", &(a[++k].a) ); ^ user.cpp:54:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "\n" ); ^ user.cpp: In function ‘void SolveAndWrite()’: user.cpp:67:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "%c", &t ); ^ user.cpp:72:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "\n" ); ^ user.cpp:77:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "%d\n", &nr ); ^ user.cpp:85:41: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( f, "%d\n", &nr ); ^