Submission #821835

#	Time	Username	Problem	Language	Result	Execution time	Memory
821835		VMaksimoski008	Wall (IOI14_wall)	C++17	Compilation error	0 ms	0 KiB

wall

#include "wall.h"
#include <bits/stdc++.h>

#define pb push_back
#define eb emplace_back
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define uniq(x) x.erase(unique(all(x)), x.end())
#define rall(x) x.rbegin(), x.rend()
#define each(x, v) for(auto &x : v)
#define mp make_pair

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using str = string;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

void setIO() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}

struct Node { int mx, mn };
vector<int> ans;

struct SegTree {
    int n;
    vector<Node> tree;
    vector<Node> lazy;

    SegTree(int n) : n(n), tree(4*n+5, Node{0, 0}), lazy(4*n+5, Node{0, 0}) {}

    void push(int u, int tl, int tr) {
        //left child
        tree[2*u].mx = min(tree[2*u].mx, tree[u].mn);
        tree[2*u].mn = min(tree[2*u].mn, tree[u].mn);
        tree[2*u].mx = max(tree[2*u].mx, tree[u].mx);
        tree[2*u].mn = max(tree[2*u].mn, tree[u].mx);

        //right child
        tree[2*u+1].mx = min(tree[2*u+1].mx, tree[u].mn);
        tree[2*u+1].mn = min(tree[2*u+1].mn, tree[u].mn);
        tree[2*u+1].mx = max(tree[2*u+1].mx, tree[u].mx);
        tree[2*u+1].mn = max(tree[2*u+1].mn, tree[u].mx);
    }

    void update(int u, int tl, int tr, int l, int r, int type, int val) {
        if(tl > r || l > tr || tl > tr) return ;

        if(l <= tl && tr <= r) {
            if(type == 1) {
                tree[u].mx = max(tree[u].mx, val);
                tree[u].mn = max(tree[u].mn, val);
            } else {
                tree[u].mx = min(tree[u].mx, val);
                tree[u].mn = min(tree[u].mn, val);
            }
        }

        push(u, tl, tr);
        tree[u].mn = INT_MAX;
        tree[u].mx = 0;

        int tm = (tl + tr) / 2;
        update(2*u, tl, tm, l, r);
        update(2*u+1, tm+1, tr, l, r);
    }

    void query(int u, int tl, int tr) {
        if(tl == tr){
		    ans[l] = tree[k].mn;
		    return;
	    }

	    push(u, tl, tr);
	    int tm = (tl + tr)/2;
	    query(2*u, l, tm);
	    query(2*u+1, tm+1, r);
    }
};

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
  SegTree tree(n);
  ans.resize(n);

  for(int i=0; i<k; i++) {
    tree.update(1, 0, n-1, left[i], right[i], op[i], height[i]);
  }

  tree.query(1, 0, n-1);

  for(int i=0; i<n; i++)
    finalHeight[i] = ans[i];

  return;
}

Compilation message (stderr)

wall.cpp:32:23: error: expected ';' at end of member declaration
   32 | struct Node { int mx, mn };
      |                       ^~
      |                         ;
wall.cpp: In member function 'void SegTree::update(int, int, int, int, int, int, int)':
wall.cpp:74:33: error: no matching function for call to 'SegTree::update(int, int&, int&, int&, int&)'
   74 |         update(2*u, tl, tm, l, r);
      |                                 ^
wall.cpp:56:10: note: candidate: 'void SegTree::update(int, int, int, int, int, int, int)'
   56 |     void update(int u, int tl, int tr, int l, int r, int type, int val) {
      |          ^~~~~~
wall.cpp:56:10: note:   candidate expects 7 arguments, 5 provided
wall.cpp:75:37: error: no matching function for call to 'SegTree::update(int, int, int&, int&, int&)'
   75 |         update(2*u+1, tm+1, tr, l, r);
      |                                     ^
wall.cpp:56:10: note: candidate: 'void SegTree::update(int, int, int, int, int, int, int)'
   56 |     void update(int u, int tl, int tr, int l, int r, int type, int val) {
      |          ^~~~~~
wall.cpp:56:10: note:   candidate expects 7 arguments, 5 provided
wall.cpp: In member function 'void SegTree::query(int, int, int)':
wall.cpp:80:11: error: 'l' was not declared in this scope; did you mean 'ld'?
   80 |       ans[l] = tree[k].mn;
      |           ^
      |           ld
wall.cpp:80:21: error: 'k' was not declared in this scope
   80 |       ans[l] = tree[k].mn;
      |                     ^
wall.cpp:86:17: error: 'l' was not declared in this scope; did you mean 'ld'?
   86 |      query(2*u, l, tm);
      |                 ^
      |                 ld
wall.cpp:87:25: error: 'r' was not declared in this scope
   87 |      query(2*u+1, tm+1, r);
      |                         ^