Submission #719819

#	Time	Username	Problem	Language	Result	Execution time	Memory
719819		ovidiush11	Wall (IOI14_wall)	C++14	Compilation error	0 ms	0 KiB

wall

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

using namespace std;

#define mp make_pair
#define ff first
#define ss second

const int inf = 1e9;
const int K = 5e5;

vector<pair<int,int>> a;
int pos[K];

void build(int p,int l,int r)
{
    if(l == r)pos[l] = p;
    else
    {
        int m = (l + r) / 2;
        build(p*2,l,m);
        build(p*2+1,m+1,r);
    }
    a[p].ff = 0;
    a[p].ss = inf;
    return ;
}

void change(int p)
{
    if(p == 0)return ;
    int mx = min(a[p*2].ss,a[p*2+1].ss);
    int mn = max(a[p*2].ff,a[p*2+1].ff);
    if(mn > mx)
    {
        if(mn == a[p*2+1].ff)mx = mn;
        else mn = mx;
    }
    a[p].ff = mn;
    a[p].ss = mx;
    change(p / 2);
    return ;
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
    queue<int> vq[n+1];
    ll t = 1;
    while(t < k)t *= 2;
    a.resize(t * 2);
    build(1,0,k-1);
    for(int i = 0;i < k;i++)vq[left[i]].push(i);
    for(int i = 0;i < k;i++)vq[right[i]+1].push(i);
    for(int i = 0;i < n;i++)
    {
        while(!vq[i].empty())
        {
            int v = vq[i].front();
            vq[i].pop();
            if(a[pos[v]].ff == 0 && a[pos[v]].ss == inf)
            {
                if(op[v] == 1)a[pos[v]].ff = height[v];
                else a[pos[v]].ss = height[v];
            }
            else
            {
                a[pos[v]].ff = 0;
                a[pos[v]].ss = inf;
            }
            change(pos[v] / 2);
        }
        finalHeight[i] = a[1].ff;
    }
    return ;
}

Compilation message (stderr)

wall.cpp: In function 'void buildWall(int, int, int*, int*, int*, int*, int*)':
wall.cpp:49:5: error: 'll' was not declared in this scope
   49 |     ll t = 1;
      |     ^~
wall.cpp:50:11: error: 't' was not declared in this scope
   50 |     while(t < k)t *= 2;
      |           ^
wall.cpp:51:14: error: 't' was not declared in this scope
   51 |     a.resize(t * 2);
      |              ^