View Compilation Error

0_0_30549788_4049.cpp:35:24: error: macro "clr" passed 3 arguments, but takes just 1
     clr(dp,0,sizeof(dp));
                        ^
0_0_30549788_4049.cpp: In function 'int DP()':
0_0_30549788_4049.cpp:35:5: error: 'clr' was not declared in this scope
     clr(dp,0,sizeof(dp));
     ^