oj.uz

답안 #303391

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
303391 2020-09-20T09:30:24 Z baluteshih 식물 비교 (IOI20_plants) C++14
14 / 100
 141 ms 8440 KB 
#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
#define X first
#define Y second
#define ALL(v) v.begin(),v.end()
#define SZ(a) ((int)a.size())
#define pb push_back

int seg1[200005],seg2[200005],lazy1[200005],lazy2[200005];

void build(int l,int r,int rt,const vector<int> &v,int *seg)
{
    if(l==r)
        return seg[rt]=v[l],void();
    int mid=(l+r)>>1;
    build(l,mid,rt<<1,v,seg),build(mid+1,r,rt<<1|1,v,seg);
    seg[rt]=min(seg[rt<<1],seg[rt<<1|1]);
}

void down(int rt,int *seg,int *lazy)
{
    if(lazy[rt])
    {
        seg[rt<<1]+=lazy[rt],lazy[rt<<1]+=lazy[rt];
        seg[rt<<1|1]+=lazy[rt],lazy[rt<<1|1]+=lazy[rt];
        lazy[rt]=0;
    }
}

void modify(int L,int R,int l,int r,int rt,int val,int *seg,int *lazy)
{
    if(l!=r) down(rt,seg,lazy);
    if(L<=l&&R>=r)
        return lazy[rt]+=val,seg[rt]+=val,void();
    int mid=(l+r)>>1;
    if(L<=mid)
        modify(L,R,l,mid,rt<<1,val,seg,lazy);
    if(R>mid)
        modify(L,R,mid+1,r,rt<<1|1,val,seg,lazy);
    seg[rt]=min(seg[rt<<1],seg[rt<<1|1]);
}

int query(int l,int r,int rt,int *seg,int *lazy)
{
    if(l!=r) down(rt,seg,lazy);
    if(l==r)
        return l;
    int mid=(l+r)>>1;
    if(seg[rt<<1]<=seg[rt<<1|1])
        return query(l,mid,rt<<1,seg,lazy);
    return query(mid+1,r,rt<<1|1,seg,lazy);
}

const int INF=1e9;
int arr[200005];

void init(int k, vector<int> r)
{
    int n=SZ(r);
	build(0,n-1,1,r,seg1),build(0,n-1,1,vector<int>(n,INF),seg2);
    for(int i=n;i>=1;--i)
    {
        while(seg1[1]==0)
        {
            int u=query(0,n-1,1,seg1,lazy1);
            modify(u,u,0,n-1,1,INF,seg1,lazy1),modify(u,u,0,n-1,1,-INF,seg2,lazy2);
            if(u+k<=n)
                modify(u+1,u+k-1,0,n-1,1,1,seg2,lazy2);
            else
            {
                if(u<n-1)
                    modify(u+1,n-1,0,n-1,1,1,seg2,lazy2);
                modify(0,k-n+u-1,0,n-1,1,1,seg2,lazy2);
            }
        }
        int u=query(0,n-1,1,seg2,lazy2);
        if(u>=k-1)
            modify(u-k+1,u,0,n-1,1,-1,seg1,lazy1);
        else
            modify(0,u,0,n-1,1,-1,seg1,lazy1),modify(n-(k-u-1),n-1,0,n-1,1,-1,seg1,lazy1);
        if(u+k<=n)
            modify(u+1,u+k-1,0,n-1,1,-1,seg2,lazy2);
        else
        {
            if(u<n-1)
                modify(u+1,n-1,0,n-1,1,-1,seg2,lazy2);
            modify(0,k-n+u-1,0,n-1,1,-1,seg2,lazy2);
        }
        modify(u,u,0,n-1,1,INF,seg2,lazy2),arr[u]=i;
    }
}

int compare_plants(int x, int y)
{
    return (arr[x]>arr[y])?1:-1;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Incorrect 0 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 86 ms 3576 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 512 KB Output is correct
10 Correct 85 ms 3576 KB Output is correct
11 Correct 84 ms 3448 KB Output is correct
12 Correct 86 ms 3704 KB Output is correct
13 Correct 83 ms 3576 KB Output is correct

Subtask #3
0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 4 ms 512 KB Output is correct
7 Correct 86 ms 3576 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 4 ms 512 KB Output is correct
10 Correct 85 ms 3576 KB Output is correct
11 Correct 84 ms 3448 KB Output is correct
12 Correct 86 ms 3704 KB Output is correct
13 Correct 83 ms 3576 KB Output is correct
14 Correct 141 ms 4572 KB Output is correct
15 Runtime error 98 ms 8440 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 73 ms 3248 KB Output is correct
4 Runtime error 88 ms 8440 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Incorrect 0 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Incorrect 1 ms 384 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Incorrect 0 ms 384 KB Output isn't correct
5 Halted 0 ms 0 KB -