View Compilation Error

0_0_24690651_14582.cpp: In function 'void work()':
0_0_24690651_14582.cpp:133:21: error: 'mp3' was not declared in this scope
                     mp3[++pos]=mkp(mkp(l,r),i);
                     ^
0_0_24690651_14582.cpp:140:13: error: 'mp3' was not declared in this scope
             mp3[++pos]=mkp(mkp(0,0),i);
             ^
0_0_24690651_14582.cpp:148:21: error: 'mp3' was not declared in this scope
             paa now=mp3[dlx.ans[i]];
                     ^