oj.uz

Submission #941908

# Submission time Handle Problem Language Result Execution time Memory
941908 2024-03-09T16:36:42 Z Tuanlinh123 Treatment Project (JOI20_treatment) C++17
100 / 100
 646 ms 265832 KB 
#include<bits/stdc++.h>
#define ll int
#define pll pair<long long, ll>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define ld long double
#define sz(a) ((ll)(a).size())
using namespace std;

const ll maxn=100005;
const long long inf=1e18;

struct seg
{
    ll id, type, x, y;
    seg(){}
    seg(ll id, ll type, ll x, ll y): id(id), type(type), x(x), y(y){}

    bool operator < (const seg &o) const
    {
        if (x!=o.x) return x<o.x;
        if (type!=o.type) return type<o.type;
        return y<o.y;
    }
};

vector <seg> p;
vector <ll> A[maxn*70];
long long dis[maxn*70];
ll x[maxn], l[maxn], r[maxn], w[maxn];

namespace SegTree
{
    ll n, crr, St[maxn*10]={};
    void init(ll sz, ll m) {n=sz, crr=m;}

    void update(ll i, ll Start, ll End, ll idx, ll val)
    {
        if (Start>idx || End<idx) return;
        if (Start==End) {A[++crr].pb(St[i]), St[i]=crr, A[St[i]].pb(val); return;}
        ll mid=(Start+End)/2;
        A[++crr].pb(St[i]), St[i]=crr;
        if (idx<=mid) update(i*2, Start, mid, idx, val), A[St[i]].pb(St[i*2]);
        else update(i*2+1, mid+1, End, idx, val), A[St[i]].pb(St[i*2+1]);
    }
    void update(ll idx, ll val){update(1, 1, n, idx, val);}

    void query(ll i, ll Start, ll End, ll l, ll r, ll val)
    {
        if (Start>r || End<l) return;
        if (Start>=l && End<=r) {A[val].pb(St[i]); return;}
        ll mid=(Start+End)/2;
        if (mid>=l) query(i*2, Start, mid, l, r, val);
        if (mid+1<=r) query(i*2+1, mid+1, End, l, r, val);
    }
    void query(ll l, ll r, ll val){query(1, 1, n, l, r, val);}
}


int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    ll n, m; cin >> n >> m;
    for (ll i=1; i<=m; i++)
    {
        cin >> x[i] >> l[i] >> r[i] >> w[i];
        p.emplace_back(i, 0, x[i]+l[i], l[i]-x[i]);
        p.emplace_back(i, 1, x[i]+r[i]+1, r[i]+1-x[i]);
    }
    vector <ll> cx, cy;
    for (seg &s:p) cx.pb(s.x), cy.pb(s.y);
    sort(cx.begin(), cx.end());
    cx.resize(unique(cx.begin(), cx.end())-cx.begin());
    sort(cy.begin(), cy.end());
    cy.resize(unique(cy.begin(), cy.end())-cy.begin());
    for (seg &s: p)
    {
        s.x=lower_bound(cx.begin(), cx.end(), s.x)-cx.begin()+1;
        s.y=lower_bound(cy.begin(), cy.end(), s.y)-cy.begin()+1;
    }
    sort(p.begin(), p.end());
    SegTree::init(sz(cy), m);
    for (seg &s: p)
    {
        ll id=s.id, t=s.type, p=s.y;
        if (!t) SegTree::update(p, id);
        else SegTree::query(1, p, id);
    }
    ll k=SegTree::crr;
    priority_queue <pll, vector <pll>, greater<pll>> q;
    for (ll i=1; i<=k; i++)
    {
        if (i<=m && l[i]==1) dis[i]=w[i], q.push({dis[i], i});
        else dis[i]=inf;   
    }
    while (!q.empty())
    {
        long long u=q.top().se, disu=q.top().fi; q.pop();
        if (dis[u]!=disu) continue;
        for (ll v:A[u])
            if (dis[v]>disu+(v<=m?w[v]:0))
                dis[v]=disu+(v<=m?w[v]:0), q.push({dis[v], v});
    }
    long long ans=inf;
    for (ll i=1; i<=m; i++)
        if (r[i]==n) ans=min(ans, dis[i]);
    if (ans==inf) cout << "-1";
    else cout << ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 253652 KB Output is correct
2 Correct 366 ms 251280 KB Output is correct
3 Correct 473 ms 249496 KB Output is correct
4 Correct 479 ms 249448 KB Output is correct
5 Correct 272 ms 216648 KB Output is correct
6 Correct 322 ms 224700 KB Output is correct
7 Correct 413 ms 238760 KB Output is correct
8 Correct 177 ms 213852 KB Output is correct
9 Correct 196 ms 226176 KB Output is correct
10 Correct 233 ms 240660 KB Output is correct
11 Correct 486 ms 256520 KB Output is correct
12 Correct 512 ms 264512 KB Output is correct
13 Correct 633 ms 264476 KB Output is correct
14 Correct 612 ms 264504 KB Output is correct
15 Correct 609 ms 262412 KB Output is correct
16 Correct 604 ms 262392 KB Output is correct
17 Correct 599 ms 262344 KB Output is correct
18 Correct 574 ms 261620 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 169540 KB Output is correct
2 Correct 42 ms 169408 KB Output is correct
3 Correct 39 ms 169300 KB Output is correct
4 Correct 40 ms 169308 KB Output is correct
5 Correct 39 ms 169532 KB Output is correct
6 Correct 40 ms 169528 KB Output is correct
7 Correct 38 ms 169532 KB Output is correct
8 Correct 41 ms 169308 KB Output is correct
9 Correct 39 ms 169412 KB Output is correct
10 Correct 39 ms 169416 KB Output is correct
11 Correct 41 ms 169300 KB Output is correct
12 Correct 42 ms 169532 KB Output is correct
13 Correct 41 ms 169536 KB Output is correct
14 Correct 43 ms 169532 KB Output is correct
15 Correct 42 ms 169300 KB Output is correct
16 Correct 42 ms 169308 KB Output is correct
17 Correct 41 ms 169396 KB Output is correct
18 Correct 40 ms 169300 KB Output is correct
19 Correct 39 ms 169420 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 169540 KB Output is correct
2 Correct 42 ms 169408 KB Output is correct
3 Correct 39 ms 169300 KB Output is correct
4 Correct 40 ms 169308 KB Output is correct
5 Correct 39 ms 169532 KB Output is correct
6 Correct 40 ms 169528 KB Output is correct
7 Correct 38 ms 169532 KB Output is correct
8 Correct 41 ms 169308 KB Output is correct
9 Correct 39 ms 169412 KB Output is correct
10 Correct 39 ms 169416 KB Output is correct
11 Correct 41 ms 169300 KB Output is correct
12 Correct 42 ms 169532 KB Output is correct
13 Correct 41 ms 169536 KB Output is correct
14 Correct 43 ms 169532 KB Output is correct
15 Correct 42 ms 169300 KB Output is correct
16 Correct 42 ms 169308 KB Output is correct
17 Correct 41 ms 169396 KB Output is correct
18 Correct 40 ms 169300 KB Output is correct
19 Correct 39 ms 169420 KB Output is correct
20 Correct 54 ms 172304 KB Output is correct
21 Correct 55 ms 172312 KB Output is correct
22 Correct 51 ms 172388 KB Output is correct
23 Correct 53 ms 172188 KB Output is correct
24 Correct 56 ms 172272 KB Output is correct
25 Correct 58 ms 172248 KB Output is correct
26 Correct 54 ms 172152 KB Output is correct
27 Correct 54 ms 172204 KB Output is correct
28 Correct 58 ms 172536 KB Output is correct
29 Correct 54 ms 172320 KB Output is correct
30 Correct 51 ms 172244 KB Output is correct
31 Correct 52 ms 172264 KB Output is correct
32 Correct 59 ms 172472 KB Output is correct
33 Correct 57 ms 172536 KB Output is correct
34 Correct 55 ms 172492 KB Output is correct
35 Correct 55 ms 172500 KB Output is correct
36 Correct 55 ms 172508 KB Output is correct
37 Correct 59 ms 172456 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 253652 KB Output is correct
2 Correct 366 ms 251280 KB Output is correct
3 Correct 473 ms 249496 KB Output is correct
4 Correct 479 ms 249448 KB Output is correct
5 Correct 272 ms 216648 KB Output is correct
6 Correct 322 ms 224700 KB Output is correct
7 Correct 413 ms 238760 KB Output is correct
8 Correct 177 ms 213852 KB Output is correct
9 Correct 196 ms 226176 KB Output is correct
10 Correct 233 ms 240660 KB Output is correct
11 Correct 486 ms 256520 KB Output is correct
12 Correct 512 ms 264512 KB Output is correct
13 Correct 633 ms 264476 KB Output is correct
14 Correct 612 ms 264504 KB Output is correct
15 Correct 609 ms 262412 KB Output is correct
16 Correct 604 ms 262392 KB Output is correct
17 Correct 599 ms 262344 KB Output is correct
18 Correct 574 ms 261620 KB Output is correct
19 Correct 42 ms 169540 KB Output is correct
20 Correct 42 ms 169408 KB Output is correct
21 Correct 39 ms 169300 KB Output is correct
22 Correct 40 ms 169308 KB Output is correct
23 Correct 39 ms 169532 KB Output is correct
24 Correct 40 ms 169528 KB Output is correct
25 Correct 38 ms 169532 KB Output is correct
26 Correct 41 ms 169308 KB Output is correct
27 Correct 39 ms 169412 KB Output is correct
28 Correct 39 ms 169416 KB Output is correct
29 Correct 41 ms 169300 KB Output is correct
30 Correct 42 ms 169532 KB Output is correct
31 Correct 41 ms 169536 KB Output is correct
32 Correct 43 ms 169532 KB Output is correct
33 Correct 42 ms 169300 KB Output is correct
34 Correct 42 ms 169308 KB Output is correct
35 Correct 41 ms 169396 KB Output is correct
36 Correct 40 ms 169300 KB Output is correct
37 Correct 39 ms 169420 KB Output is correct
38 Correct 54 ms 172304 KB Output is correct
39 Correct 55 ms 172312 KB Output is correct
40 Correct 51 ms 172388 KB Output is correct
41 Correct 53 ms 172188 KB Output is correct
42 Correct 56 ms 172272 KB Output is correct
43 Correct 58 ms 172248 KB Output is correct
44 Correct 54 ms 172152 KB Output is correct
45 Correct 54 ms 172204 KB Output is correct
46 Correct 58 ms 172536 KB Output is correct
47 Correct 54 ms 172320 KB Output is correct
48 Correct 51 ms 172244 KB Output is correct
49 Correct 52 ms 172264 KB Output is correct
50 Correct 59 ms 172472 KB Output is correct
51 Correct 57 ms 172536 KB Output is correct
52 Correct 55 ms 172492 KB Output is correct
53 Correct 55 ms 172500 KB Output is correct
54 Correct 55 ms 172508 KB Output is correct
55 Correct 59 ms 172456 KB Output is correct
56 Correct 516 ms 256400 KB Output is correct
57 Correct 485 ms 256848 KB Output is correct
58 Correct 464 ms 255020 KB Output is correct
59 Correct 444 ms 256236 KB Output is correct
60 Correct 580 ms 260988 KB Output is correct
61 Correct 457 ms 255284 KB Output is correct
62 Correct 503 ms 256548 KB Output is correct
63 Correct 463 ms 264892 KB Output is correct
64 Correct 441 ms 257680 KB Output is correct
65 Correct 488 ms 259988 KB Output is correct
66 Correct 392 ms 257212 KB Output is correct
67 Correct 596 ms 258752 KB Output is correct
68 Correct 563 ms 258740 KB Output is correct
69 Correct 540 ms 259008 KB Output is correct
70 Correct 595 ms 258616 KB Output is correct
71 Correct 557 ms 258532 KB Output is correct
72 Correct 532 ms 259416 KB Output is correct
73 Correct 600 ms 262736 KB Output is correct
74 Correct 282 ms 261936 KB Output is correct
75 Correct 269 ms 261312 KB Output is correct
76 Correct 511 ms 265308 KB Output is correct
77 Correct 587 ms 265252 KB Output is correct
78 Correct 607 ms 264916 KB Output is correct
79 Correct 606 ms 261512 KB Output is correct
80 Correct 559 ms 263548 KB Output is correct
81 Correct 330 ms 261288 KB Output is correct
82 Correct 577 ms 262852 KB Output is correct
83 Correct 578 ms 262212 KB Output is correct
84 Correct 646 ms 261864 KB Output is correct
85 Correct 420 ms 261820 KB Output is correct
86 Correct 482 ms 261220 KB Output is correct
87 Correct 425 ms 261904 KB Output is correct
88 Correct 532 ms 259596 KB Output is correct
89 Correct 483 ms 261612 KB Output is correct
90 Correct 553 ms 264384 KB Output is correct
91 Correct 482 ms 263104 KB Output is correct
92 Correct 506 ms 261560 KB Output is correct
93 Correct 557 ms 261404 KB Output is correct
94 Correct 536 ms 260416 KB Output is correct
95 Correct 520 ms 261896 KB Output is correct
96 Correct 570 ms 265252 KB Output is correct
97 Correct 563 ms 265408 KB Output is correct
98 Correct 612 ms 265832 KB Output is correct
99 Correct 569 ms 265440 KB Output is correct
100 Correct 545 ms 261424 KB Output is correct
101 Correct 608 ms 265240 KB Output is correct
102 Correct 543 ms 265680 KB Output is correct
103 Correct 443 ms 262452 KB Output is correct