int add[N*4],rem[N*4];
void build(int v,int tl,int tr){
if(tl==tr){
add[v]=0;
rem[v]=1e9;
}
else{
int tm=(tl+tr)/2;
build(v*2,tl,tm);
build(v*2+1,tm+1,tr);
}
}
void push(int v){
add[v*2]=max(add[v*2],add[v]);
rem[v*2]=max(rem[v*2],add[v]);
add[v*2]=min(add[v*2],rem[v]);
rem[v*2]=min(rem[v*2],rem[v]);
add[v*2+1]=max(add[v*2+1],add[v]);
rem[v*2+1]=max(rem[v*2+1],add[v]);
add[v*2+1]=min(add[v*2+1],rem[v]);
rem[v*2+1]=min(rem[v*2+1],rem[v]);
add[v]=0;rem[v]=1e9;
}
void update(int v,int tl,int tr,int l,int r,int x,int type){
if(r<tl or l>tr)return;
if(l<=tl && tr<=r){
if(type==1){
add[v]=max(add[v],x);
rem[v]=max(rem[v],x);
}
else{
add[v]=min(add[v],x);
rem[v]=min(rem[v],x);
}
return;
}
push(v);
int tm=(tl+tr)/2;
update(v*2,tl,tm,l,r,x,type);
update(v*2+1,tm+1,tr,l,r,x,type);
}
int get(int v,int tl,int tr,int pos){
if(tl==tr)return add[v];
push(v);
int tm=(tl+tr)/2;
if(pos<=tm)return get(v*2,tl,tm,pos);
else return get(v*2+1,tm+1,tr,pos);
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
build(1,1,n);
for(int i=0;i<k;i++){
update(1,1,n,left[i]+1,right[i]+1,height[i],op[i]);
}
for(int i=0;i<n;i++){
finalHeight[i]=get(1,1,n,i+1);
}
return;
}
Compilation message
wall.cpp:1:9: error: 'N' was not declared in this scope
1 | int add[N*4],rem[N*4];
| ^
wall.cpp:1:18: error: 'N' was not declared in this scope
1 | int add[N*4],rem[N*4];
| ^
wall.cpp: In function 'void build(int, int, int)':
wall.cpp:4:7: error: 'add' was not declared in this scope
4 | add[v]=0;
| ^~~
wall.cpp:5:7: error: 'rem' was not declared in this scope
5 | rem[v]=1e9;
| ^~~
wall.cpp: In function 'void push(int)':
wall.cpp:14:4: error: 'add' was not declared in this scope
14 | add[v*2]=max(add[v*2],add[v]);
| ^~~
wall.cpp:14:13: error: 'max' was not declared in this scope
14 | add[v*2]=max(add[v*2],add[v]);
| ^~~
wall.cpp:15:4: error: 'rem' was not declared in this scope
15 | rem[v*2]=max(rem[v*2],add[v]);
| ^~~
wall.cpp:16:13: error: 'min' was not declared in this scope
16 | add[v*2]=min(add[v*2],rem[v]);
| ^~~
wall.cpp: In function 'void update(int, int, int, int, int, int, int)':
wall.cpp:28:10: error: 'add' was not declared in this scope
28 | add[v]=max(add[v],x);
| ^~~
wall.cpp:28:17: error: 'max' was not declared in this scope
28 | add[v]=max(add[v],x);
| ^~~
wall.cpp:29:10: error: 'rem' was not declared in this scope
29 | rem[v]=max(rem[v],x);
| ^~~
wall.cpp:32:10: error: 'add' was not declared in this scope
32 | add[v]=min(add[v],x);
| ^~~
wall.cpp:32:17: error: 'min' was not declared in this scope
32 | add[v]=min(add[v],x);
| ^~~
wall.cpp:33:10: error: 'rem' was not declared in this scope
33 | rem[v]=min(rem[v],x);
| ^~~
wall.cpp: In function 'int get(int, int, int, int)':
wall.cpp:43:21: error: 'add' was not declared in this scope
43 | if(tl==tr)return add[v];
| ^~~
