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View Compilation Error

0_0_20056012_15174.cpp:26:20: error: expected primary-expression before ']' token
  long long Ra[1<<1+];
                    ^
0_0_20056012_15174.cpp: In member function 'void poly::clear()':
0_0_20056012_15174.cpp:51:10: error: 'Ra' was not declared in this scope
   memset(Ra,0,sizeof(Ra));
          ^
0_0_20056012_15174.cpp: In function 'void conv(poly&, poly&, poly&, int)':
0_0_20056012_15174.cpp:63:29: error: 'struct poly' has no member named 'Ra'
  for(vi=0; vi<len; vi++)res.Ra[vi]=(int)(res.Po[vi].x/len+0.1);
                             ^
0_0_20056012_15174.cpp: In function 'void handle()':
0_0_20056012_15174.cpp:94:56: error: 'struct poly' has no member named 'Ra'
  for(vi=Osum[n]+1; vi<=C.func; vi++)Ans[vi-Osum[n]]+=C.Ra[vi];
                                                        ^
0_0_20056012_15174.cpp:105:41: error: 'struct poly' has no member named 'Ra'
  for(vi=1; vi<=Osum[n]; vi++)Ans[vi]-=C.Ra[vi+Osum[n]];
                                         ^
0_0_20056012_15174.cpp:116:41: error: 'struct poly' has no member named 'Ra'
  for(vi=1; vi<=Osum[n]; vi++)Ans[vi]+=C.Ra[vi+Osum[n]];
                                         ^


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