oj.uz

Submission #800212

# Submission time Handle Problem Language Result Execution time Memory
800212 2023-08-01T12:05:42 Z alvingogo Comparing Plants (IOI20_plants) C++14
27 / 100
 285 ms 14440 KB 
#include "plants.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

vector<int> rk;
struct ST{
	struct no{
		pair<int,int> mn;
		int tag=0;
	};
	vector<no> st;
	void init(int x){
		st.resize(4*x);
	}
	void build(int v,int L,int R,vector<int>& a){
		if(L==R){
			st[v].mn={a[L],L};
			return;
		}
		int m=(L+R)/2;
		build(2*v+1,L,m,a);
		build(2*v+2,m+1,R,a);
		st[v].mn=min(st[2*v+1].mn,st[2*v+2].mn);
	}
	void upd(int v,int t){
		st[v].tag+=t;
		st[v].mn.fs+=t;
	}
	void pudo(int v){
		if(st[v].tag==0){
			return;
		}
		upd(2*v+1,st[v].tag);
		upd(2*v+2,st[v].tag);
		st[v].tag=0;
	}
	void update(int v,int L,int R,int l,int r,int t){
		if(l==L && r==R){
			upd(v,t);
			return;
		}
		pudo(v);
		int m=(L+R)/2;
		if(r<=m){
			update(2*v+1,L,m,l,r,t);
		}
		else if(l>m){
			update(2*v+2,m+1,R,l,r,t);
		}
		else{
			update(2*v+1,L,m,l,m,t);
			update(2*v+2,m+1,R,m+1,r,t);
		}
		st[v].mn=min(st[2*v+1].mn,st[2*v+2].mn);
	}
	pair<int,int> query(int v,int L,int R,int l,int r){
		if(L==l && r==R){
			return st[v].mn;
		}
		pudo(v);
		int m=(L+R)/2;
		if(r<=m){
			return query(2*v+1,L,m,l,r);
		}
		else if(l>m){
			return query(2*v+2,m+1,R,l,r);
		}
		else{
			return min(query(2*v+1,L,m,l,m),query(2*v+2,m+1,R,m+1,r));
		}
	}
}st;
int n;
void update(int l,int r){
	if(l>r){
		st.update(0,0,n-1,l,n-1,-1);
		st.update(0,0,n-1,0,r,-1);
	}
	else{
		st.update(0,0,n-1,l,r,-1);
	}
}
void init(int k, vector<int> r) {
	n=r.size();
	rk.resize(n);
	st.init(n);
	st.build(0,0,n-1,r);
	for(int i=0;i<n;i++){
		auto h=st.query(0,0,n-1,0,n-1);
		assert(h.fs==0);
		int xl=(h.sc+1-k+n)%n,xr=(h.sc-1+n)%n;
		if(xl>h.sc){
			auto z=st.query(0,0,n-1,xl,n-1);
			if(z.fs==0){
				h=z;
			}
		}
		xl=(h.sc+1-k+n)%n;
		xr=(h.sc-1+n)%n;
		rk[h.sc]=i;
		update(xl,xr);
		st.update(0,0,n-1,h.sc,h.sc,10000007);
	}
	return;
}

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

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Runtime error 1 ms 468 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 43 ms 3340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 43 ms 3420 KB Output is correct
11 Correct 40 ms 3308 KB Output is correct
12 Correct 40 ms 3532 KB Output is correct
13 Correct 42 ms 3400 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 43 ms 3340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 43 ms 3420 KB Output is correct
11 Correct 40 ms 3308 KB Output is correct
12 Correct 40 ms 3532 KB Output is correct
13 Correct 42 ms 3400 KB Output is correct
14 Correct 57 ms 4276 KB Output is correct
15 Correct 241 ms 14320 KB Output is correct
16 Correct 56 ms 4268 KB Output is correct
17 Correct 285 ms 14308 KB Output is correct
18 Correct 146 ms 14288 KB Output is correct
19 Correct 147 ms 14440 KB Output is correct
20 Correct 230 ms 14284 KB Output is correct

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Runtime error 1 ms 340 KB Execution killed with signal 6
3 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Runtime error 1 ms 340 KB Execution killed with signal 6
4 Halted 0 ms 0 KB -

Subtask #7
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Runtime error 1 ms 468 KB Execution killed with signal 6
5 Halted 0 ms 0 KB -