#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
#define X first
#define Y second
#define rep(i,a,b) for(int i=a;i<=b;i++)
#define IOS ios::sync_with_stdio(0);cin.tie(0);
#define de(x,y) cout<<#x<<" :"<<x<<y;
//#define int long long
#define SZ(xx) ((int)xx.size())
#define lowbit(xx) (xx&(-xx))
#define pb push_back
#define ls node*2
#define rs node*2+1
typedef pair<int,int> pii;
const int maxn = 3e6+5;
const int INF = 1e9+5;
int mx[maxn * 4], mn[maxn * 4], tag[maxn * 4], ans[maxn];
void push(int node) {
if(mn[node] != -1) {
if(mn[ls] == -1)
mn[ls] = mn[node];
else
mn[ls] = min(mn[ls], mn[node]);
if(mn[rs] == -1)
mn[rs] = mn[node];
else
mn[rs] = min(mn[rs], mn[node]);
mx = min(mn[node], mx[node]);
mn[node] = -1;
}
mx[ls] = max(mx[ls], mx[node]);
mx[rs] = max(mx[rs], mx[node]);
}
void upd(int node,int l,int r,int a,int b,int type,int val) {
if(l != r)
push(node);
if(a <= l && r <= b) {
if(type == 1) {
mx[node] = max(mx[node], val);
mn[node] = -1;
}
else {
if(mn[node] == -1) {
mn[node] = val
}
else {
mn[node] = min(mn[node], val);
}
}
}
else {
push(node);
int m = (l + r) >> 1;
if(a <= m) upd(ls, l, m, a, b, type, val);
if(b > m) upd(rs, m+1, r, a, b, type, val);
}
}
void travel(int node,int l,int r) {
if(l == r) {
if(mn[node] != -1) {
ans[l] = min(mx[node], mn[node]);
}
else
ans[l] = mx[node];
}
else {
push(node);
int m = (l + r) >> 1;
travel(ls, l, m);
travel(rs, m+1, r);
}
}
void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
for(int i=1; i<=n * 2+10; i++) {
mx[i] = 0;
mn[i] = INF;
tag[i] = 1;
}
for(int i=0; i<k; i++) {
upd(1, 1, n, left[i]+1, right[i]+1, op[i], height[i]);
}
travel(1, 1, n);
for(int j=1; j<=n; j++) {
finalHeight[j-1] = ans[j];
}
}
Compilation message
wall.cpp: In function 'void push(int)':
wall.cpp:31:30: error: incompatible types in assignment of 'const int' to 'int [12000020]'
mx = min(mn[node], mx[node]);
^
wall.cpp: In function 'void upd(int, int, int, int, int, int, int)':
wall.cpp:49:4: error: expected ';' before '}' token
}
^
