oj.uz

Submission #823437

# Submission time Handle Problem Language Result Execution time Memory
823437 2023-08-12T14:09:20 Z prvocislo Sky Walking (IOI19_walk) C++17
33 / 100
 451 ms 102400 KB 
#include "walk.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,n) for(int i=0; i<n; ++i)
#define pb push_back
using ll = int64_t;
const ll inf = 4e18;
#define pi pair<ll,ll>
#define f first
#define s second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
 
#define int ll
const int sz=1<<30;
struct sgt {
	sgt *L, *R; int s;
	sgt() {
		L=R=NULL; s=inf;
	}
	void set(int l, int r, int i, int x) {
		if (r-l==1) {
			s=x; return;
		}
		int m=(l+r)>>1;
		if (i<m) {
			if (!L) L=new sgt();
			L->set(l,m,i,x);
		} else {
			if (!R) R=new sgt();
			R->set(m,r,i,x);
		}
		s = min(L?L->s:inf, R?R->s:inf);
	}
	void set(int i, int x) {
		set(0,sz,i,x);
	}
	int query(int l, int r, int lx, int rx) {
		if (rx<=l || r<=lx) return inf;
		if (lx<=l && r<=rx) return s;
		int m=(l+r)>>1;
		int lq=L?L->query(l,m,lx,rx):inf;
		int rq=R?R->query(m,r,lx,rx):inf;
		return min(lq,rq);
	}
	int query(int l, int r) {
		return query(0,sz,l,r);
	}
};
#undef int
 
long long min_distance(vector<int>x, vector<int>h, vector<int>l, vector<int>r, vector<int>y, int s, int g) {
	int n=x.size(), m=l.size();
	
	#define int ll
 
	sgt bottom, top;
	bottom.set(0,0);
	top.set(0,0);
	vector<vector<int>> add(n), del(n);
	del[0].pb(0);
	add[n-1].pb(0);
	forn(i,m) {
		add[l[i]].pb(y[i]);
		del[r[i]].pb(y[i]);
	}
	forn(i,n) {
		vector<pi> toset;
		for(auto&y:add[i]) {
			int f = bottom.query(0,y+1);
			int s = top.query(y,sz);
			if (min(f,s)==inf) continue;
			f+=y; s-=y;
			int x=min(f,s);
			toset.pb({y,x});
		}
		for(auto&y:del[i]) {
			bottom.set(y,inf);
			top.set(y,inf);
		}
		for(auto&x:toset) {
			bottom.set(x.f,x.s-x.f);
			top.set(x.f,x.s+x.f);
		}
	}
	if (top.s==inf) return -1;
	int f = top.s+x[n-1]-x[0];
	return f;
 
	#undef int
}

Subtask #1
0 / 10.0

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

Subtask #2
0 / 14.0

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

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 3676 KB Output is correct
2 Correct 370 ms 94408 KB Output is correct
3 Correct 408 ms 80716 KB Output is correct
4 Correct 429 ms 99272 KB Output is correct
5 Correct 440 ms 100100 KB Output is correct
6 Correct 451 ms 102400 KB Output is correct
7 Correct 172 ms 55828 KB Output is correct
8 Correct 312 ms 94056 KB Output is correct
9 Correct 439 ms 98368 KB Output is correct
10 Correct 130 ms 19504 KB Output is correct
11 Correct 8 ms 3392 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 3676 KB Output is correct
2 Correct 370 ms 94408 KB Output is correct
3 Correct 408 ms 80716 KB Output is correct
4 Correct 429 ms 99272 KB Output is correct
5 Correct 440 ms 100100 KB Output is correct
6 Correct 451 ms 102400 KB Output is correct
7 Correct 172 ms 55828 KB Output is correct
8 Correct 312 ms 94056 KB Output is correct
9 Correct 439 ms 98368 KB Output is correct
10 Correct 130 ms 19504 KB Output is correct
11 Correct 8 ms 3392 KB Output is correct
12 Correct 375 ms 88692 KB Output is correct
13 Correct 327 ms 95820 KB Output is correct
14 Correct 426 ms 94924 KB Output is correct
15 Correct 227 ms 45772 KB Output is correct
16 Correct 233 ms 44928 KB Output is correct
17 Correct 248 ms 45068 KB Output is correct
18 Correct 228 ms 45716 KB Output is correct
19 Correct 228 ms 44968 KB Output is correct
20 Correct 203 ms 55088 KB Output is correct
21 Correct 21 ms 7880 KB Output is correct
22 Correct 248 ms 74792 KB Output is correct
23 Correct 251 ms 76192 KB Output is correct
24 Correct 272 ms 82132 KB Output is correct
25 Correct 263 ms 85996 KB Output is correct
26 Correct 270 ms 94156 KB Output is correct
27 Correct 413 ms 95608 KB Output is correct
28 Correct 315 ms 99388 KB Output is correct
29 Correct 445 ms 93860 KB Output is correct
30 Correct 174 ms 55916 KB Output is correct
31 Correct 425 ms 98444 KB Output is correct
32 Correct 120 ms 15748 KB Output is correct
33 Correct 129 ms 17228 KB Output is correct
34 Correct 134 ms 23140 KB Output is correct
35 Correct 176 ms 36172 KB Output is correct
36 Correct 168 ms 32768 KB Output is correct
37 Correct 111 ms 14796 KB Output is correct
38 Correct 121 ms 18248 KB Output is correct
39 Correct 156 ms 26340 KB Output is correct
40 Correct 124 ms 18060 KB Output is correct
41 Correct 117 ms 15820 KB Output is correct

Subtask #5
0 / 43.0

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