0_0_19935526_6063.cpp: In function 'void pushdown(int)':
0_0_19935526_6063.cpp:4:8: error: 'c' was not declared in this scope
int l=c[x][0],r=c[x][1];
^
0_0_19935526_6063.cpp:5:5: error: 'rev' was not declared in this scope
if(rev[x]){
^
0_0_19935526_6063.cpp:6:27: error: 'r' was not declared in this scope
rev[x]^=1;rev[l]^=1;rev[r]^=1;
^
0_0_19935526_6063.cpp:7:23: error: 'swap' was not declared in this scope
swap(c[x][0],c[x][1]);
^
0_0_19935526_6063.cpp:9:5: error: 'tag' was not declared in this scope
if(tag[x]){
^
0_0_19935526_6063.cpp:10:24: error: 'val' was not declared in this scope
if(l) tag[l]+=tag[x],val[l]+=tag[x],mx[l]+=tag[x];
^
0_0_19935526_6063.cpp:10:39: error: 'mx' was not declared in this scope
if(l) tag[l]+=tag[x],val[l]+=tag[x],mx[l]+=tag[x];
^
0_0_19935526_6063.cpp:11:6: error: 'r' was not declared in this scope
if(r) tag[r]+=tag[x],val[r]+=tag[x],mx[r]+=tag[x];
^
0_0_19935526_6063.cpp:11:24: error: 'val' was not declared in this scope
if(r) tag[r]+=tag[x],val[r]+=tag[x],mx[r]+=tag[x];
^
0_0_19935526_6063.cpp:11:39: error: 'mx' was not declared in this scope
if(r) tag[r]+=tag[x],val[r]+=tag[x],mx[r]+=tag[x];
^
0_0_19935526_6063.cpp: In function 'void updata(int)':
0_0_19935526_6063.cpp:16:8: error: 'c' was not declared in this scope
int l=c[x][0],r=c[x][1];
^
0_0_19935526_6063.cpp:17:2: error: 'mx' was not declared in this scope
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp:17:12: error: 'val' was not declared in this scope
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp:17:32: error: 'r' was not declared in this scope
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp:17:34: error: 'max' was not declared in this scope
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp:17:35: error: 'max' was not declared in this scope
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp:17:35: error: redeclaration of '<typeprefixerror>max'
0_0_19935526_6063.cpp:17:34: note: previous declaration '<typeprefixerror>max'
mx[x]=max(val[x],max(mx[l],mx[r]));
^
0_0_19935526_6063.cpp: In function 'bool isroot(int)':
0_0_19935526_6063.cpp:20:9: error: 'c' was not declared in this scope
return c[fa[x]][0]!=x&&c[fa[x]][1]!=x;
^
0_0_19935526_6063.cpp:20:11: error: 'fa' was not declared in this scope
return c[fa[x]][0]!=x&&c[fa[x]][1]!=x;
^
0_0_19935526_6063.cpp: In function 'void rotate(int)':
0_0_19935526_6063.cpp:23:8: error: 'fa' was not declared in this scope
int y=fa[x],z=fa[y],l,r;
^
0_0_19935526_6063.cpp:24:2: error: 'l' was not declared in this scope
l=(c[y][1]==x);r=l^1;
^
0_0_19935526_6063.cpp:24:5: error: 'c' was not declared in this scope
l=(c[y][1]==x);r=l^1;
^
0_0_19935526_6063.cpp:24:17: error: 'r' was not declared in this scope
l=(c[y][1]==x);r=l^1;
^
0_0_19935526_6063.cpp:25:19: error: 'z' was not declared in this scope
if(!isroot(y)) c[z][c[z][1]==y]=x;
^
0_0_19935526_6063.cpp:26:8: error: 'z' was not declared in this scope
fa[x]=z;fa[y]=x;fa[c[x][r]]=y;
^
0_0_19935526_6063.cpp: In function 'void splay(int)':
0_0_19935526_6063.cpp:31:12: error: 'st' was not declared in this scope
int top=0;st[++top]=x;
^
0_0_19935526_6063.cpp:32:27: error: 'fa' was not declared in this scope
for(int i=x;!isroot(i);i=fa[i]) st[++top]=fa[i];
^
0_0_19935526_6063.cpp:35:9: error: 'fa' was not declared in this scope
int y=fa[x],z=fa[y];
^
0_0_19935526_6063.cpp:37:8: error: 'c' was not declared in this scope
if((c[y][0]==x)^(c[z][0]==y)) rotate(x);
^
0_0_19935526_6063.cpp:37:23: error: 'z' was not declared in this scope
if((c[y][0]==x)^(c[z][0]==y)) rotate(x);
^
0_0_19935526_6063.cpp: In function 'void access(int)':
0_0_19935526_6063.cpp:44:18: error: 'fa' was not declared in this scope
for(int t=0;x;x=fa[x]) splay(x),c[x][1]=t,updata(x),t=x;
^
0_0_19935526_6063.cpp:44:34: error: 'c' was not declared in this scope
for(int t=0;x;x=fa[x]) splay(x),c[x][1]=t,updata(x),t=x;
^
0_0_19935526_6063.cpp: In function 'void rever(int)':
0_0_19935526_6063.cpp:49:2: error: 'rev' was not declared in this scope
rev[x]^=1;
^
0_0_19935526_6063.cpp: In function 'void link(int, int)':
0_0_19935526_6063.cpp:53:2: error: 'fa' was not declared in this scope
fa[x]=y;
^
0_0_19935526_6063.cpp: In function 'void cut(int, int)':
0_0_19935526_6063.cpp:59:2: error: 'c' was not declared in this scope
c[y][0]=fa[x]=0;
^
0_0_19935526_6063.cpp:59:10: error: 'fa' was not declared in this scope
c[y][0]=fa[x]=0;
^
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