oj.uz

답안 #977314

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
977314 2024-05-07T18:01:29 Z a_l_i_r_e_z_a Pinball (JOI14_pinball) C++17
100 / 100
 137 ms 23756 KB 
// In the name of God
// Hope is last to die

#include <bits/stdc++.h>
using namespace std;
 
#pragma GCC optimize("O3,unroll-loops")
// #pragma GCC optimize("avx2")

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

#define pb push_back
// #define int long long
#define S second
#define F first
#define mp make_pair
#define smax(xyxy, yxy) (xyxy) = max((xyxy), (yxy))
#define smin(xyxy, yxy) (xyxy) = min((xyxy), (yxy))
#define all(xyxy) (xyxy).begin(), (xyxy).end()
#define len(xyxy) ((int)(xyxy).size())

const int maxn = 1e5 + 5;
const ll inf = 1e15 + 7;
int n, m, a[maxn], b[maxn], c[maxn], d[maxn];
vector<int> vec;
pll node[maxn * 4 * 3];

void build(int l = 0, int r = n, int id = 1){
    if(l == r - 1){
        if(l == 0) node[id] = mp(0, inf);
        else if(l == n - 1) node[id] = mp(inf, 0);
        else node[id] = mp(inf, inf);
        return;
    }
    int mid = (l + r) / 2;
    build(l, mid, id * 2);
    build(mid, r, id * 2 + 1);
    node[id] = mp(min(node[id * 2].F, node[id * 2 + 1].F), min(node[id * 2].S, node[id * 2 + 1].S));
}

pll get(int s, int f, int l = 0, int r = n, int id = 1){
    if(s <= l && r <= f) return node[id];
    if(f <= l || r <= s) return mp(inf, inf);
    int mid = (l + r) / 2;
    pll x = get(s, f, l, mid, id * 2), y = get(s, f, mid, r, id * 2 + 1);
    return mp(min(x.F, y.F), min(x.S, y.S));
}

void upd(int p, pll x, int l = 0, int r = n, int id = 1){
    if(l == r - 1){
        smin(node[id].F, x.F);
        smin(node[id].S, x.S);
        return;
    }
    int mid = (l + r) / 2;
    if(p < mid) upd(p, x, l, mid, id * 2);
    else upd(p, x, mid, r, id * 2 + 1);
    node[id] = mp(min(node[id * 2].F, node[id * 2 + 1].F), min(node[id * 2].S, node[id * 2 + 1].S));
}

int32_t main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> m >> n;
    ll mx = 0, mn = inf;
    for(int i = 0; i < m; i++){
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        vec.pb(a[i]);
        vec.pb(c[i]);
        vec.pb(b[i]);
        smin(mn, 1ll * a[i]);
        smax(mx, 1ll * b[i]);
    }
    if(mx != n || mn != 1){
        cout << -1 << '\n';
        return 0;
    }
    sort(all(vec));
    vec.resize(unique(all(vec)) - vec.begin());
    n = vec.size();
    if(n == 1){
        cout << 0 << '\n';
        return 0;
    }
    for(int i = 0; i < m; i++){
        a[i] = lower_bound(all(vec), a[i]) - vec.begin();
        b[i] = lower_bound(all(vec), b[i]) - vec.begin();
        c[i] = lower_bound(all(vec), c[i]) - vec.begin();
    }
    build();
    ll ans = inf;
    for(int i = 0; i < m; i++){
        pll x = get(a[i], b[i] + 1);
        smin(ans, d[i] + x.F + x.S);
        upd(c[i], mp(x.F + d[i], x.S + d[i]));
    }
    if(ans < inf) cout << ans << '\n';
    else cout << -1 << '\n';

    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 480 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 480 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 480 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 540 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 600 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 0 ms 480 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 540 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 2 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 2 ms 600 KB Output is correct
25 Correct 12 ms 3164 KB Output is correct
26 Correct 30 ms 4304 KB Output is correct
27 Correct 84 ms 9304 KB Output is correct
28 Correct 85 ms 7436 KB Output is correct
29 Correct 61 ms 8136 KB Output is correct
30 Correct 104 ms 9412 KB Output is correct
31 Correct 126 ms 15560 KB Output is correct
32 Correct 122 ms 11272 KB Output is correct
33 Correct 18 ms 3796 KB Output is correct
34 Correct 60 ms 12236 KB Output is correct
35 Correct 91 ms 23748 KB Output is correct
36 Correct 137 ms 23756 KB Output is correct
37 Correct 120 ms 23684 KB Output is correct
38 Correct 117 ms 23748 KB Output is correct