Submission #892346

# Submission time Handle Problem Language Result Execution time Memory
892346 2023-12-25T08:22:54 Z abcvuitunggio Comparing Plants (IOI20_plants) C++17
27 / 100
4000 ms 17448 KB
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
const int INF=1e9;
struct T{
    int mn,pos;
}st[800001];
T operator +(T a, T b){
    return (a.mn>b.mn?b:a);
}
int n,lazy[800001],p[200001];
vector <int> a;
void down(int node, int l, int r){
    if (!lazy[node]||l==r)
        return;
    st[node<<1].mn+=lazy[node];
    st[node<<1|1].mn+=lazy[node];
    lazy[node<<1]+=lazy[node];
    lazy[node<<1|1]+=lazy[node];
    lazy[node]=0;
}
void build(int node, int l, int r){
    if (l==r){
        st[node]={a[l],l};
        return;
    }
    int mid=(l+r)>>1;
    build(node<<1,l,mid);
    build(node<<1|1,mid+1,r);
    st[node]=st[node<<1]+st[node<<1|1];
}
void update(int node, int l, int r, int u, int v, int val){
    if (l>v||r<u||u>v)
        return;
    if (l>=u&&r<=v){
        st[node].mn+=val;
        lazy[node]+=val;
        return;
    }
    down(node,l,r);
    int mid=(l+r)>>1;
    update(node<<1,l,mid,u,v,val);
    update(node<<1|1,mid+1,r,u,v,val);
    st[node]=st[node<<1]+st[node<<1|1];
}
T get(int node, int l, int r, int u, int v){
    if (l>v||r<u||u>v)
        return {INF,0};
    if (l>=u&&r<=v)
        return st[node];
    down(node,l,r);
    int mid=(l+r)>>1;
    return get(node<<1,l,mid,u,v)+get(node<<1|1,mid+1,r,u,v);
}
void init(int k, vector <int> r){
    a=r;
    n=a.size();
    build(1,0,n-1);
    for (int i=n-1;i;i--){
        int j=st[1].pos;
        while (true){
            T t={INF,0};
            if (j<k)
                t=get(1,0,n-1,0,j-1)+get(1,0,n-1,n+j-k+1,n-1);
            else
                t=get(1,0,n-1,j-k+1,j-1);
            if (t.mn)
                break;
            j=t.pos;
        }
        p[j]=i;
        if (j<k){
            update(1,0,n-1,0,j-1,-1);
            update(1,0,n-1,n+j-k+1,n-1,-1);
        }
        else
            update(1,0,n-1,j-k+1,j-1,-1);
        update(1,0,n-1,j,j,INF);
    }
}
int compare_plants(int x, int y){
	return (p[x]>p[y]?1:(p[x]<p[y]?-1:0));
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Incorrect 0 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 48 ms 7256 KB Output is correct
8 Correct 2 ms 2396 KB Output is correct
9 Correct 3 ms 2628 KB Output is correct
10 Correct 48 ms 7248 KB Output is correct
11 Correct 44 ms 7256 KB Output is correct
12 Correct 45 ms 7504 KB Output is correct
13 Correct 47 ms 7248 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 2 ms 2396 KB Output is correct
7 Correct 48 ms 7256 KB Output is correct
8 Correct 2 ms 2396 KB Output is correct
9 Correct 3 ms 2628 KB Output is correct
10 Correct 48 ms 7248 KB Output is correct
11 Correct 44 ms 7256 KB Output is correct
12 Correct 45 ms 7504 KB Output is correct
13 Correct 47 ms 7248 KB Output is correct
14 Correct 75 ms 9952 KB Output is correct
15 Correct 396 ms 17236 KB Output is correct
16 Correct 73 ms 10068 KB Output is correct
17 Correct 379 ms 17448 KB Output is correct
18 Correct 321 ms 17084 KB Output is correct
19 Correct 297 ms 17232 KB Output is correct
20 Correct 362 ms 17268 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2488 KB Output is correct
3 Correct 65 ms 6912 KB Output is correct
4 Execution timed out 4054 ms 14260 KB Time limit exceeded
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Incorrect 1 ms 2396 KB Output isn't correct
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Incorrect 1 ms 2496 KB Output isn't correct
4 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Incorrect 0 ms 2396 KB Output isn't correct
5 Halted 0 ms 0 KB -