0_0_37796496_16018.cpp:69:1: error: 'bitset' does not name a type
bitset<405> re1[25];
^
0_0_37796496_16018.cpp: In function 'void prework()':
0_0_37796496_16018.cpp:79:26: error: 're1' was not declared in this scope
for(int i=0;i<n;i++) re1[i].reset();
^
0_0_37796496_16018.cpp:85:67: error: 're1' was not declared in this scope
if(k==1 && check1((node){x[i],y[i],x1[j],y1[j]})) re1[i][p]=1;
^
0_0_37796496_16018.cpp:86:67: error: 're1' was not declared in this scope
if(k==2 && check1((node){x[i],y[i],x2[j],y2[j]})) re1[i][p]=1;
^
0_0_37796496_16018.cpp:87:67: error: 're1' was not declared in this scope
if(k==3 && check1((node){x[i],y[i],x3[j],y3[j]})) re1[i][p]=1;
^
0_0_37796496_16018.cpp:88:67: error: 're1' was not declared in this scope
if(k==4 && check1((node){x[i],y[i],x4[j],y4[j]})) re1[i][p]=1;
^
0_0_37796496_16018.cpp: In function 'int main()':
0_0_37796496_16018.cpp:124:13: error: 'bitset' was not declared in this scope
bitset<405> tmp;
^
0_0_37796496_16018.cpp:124:25: error: 'tmp' was not declared in this scope
bitset<405> tmp;
^
0_0_37796496_16018.cpp:128:26: error: 're1' was not declared in this scope
tmp|=re1[i];
^
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