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답안 #349305

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
349305 2021-01-17T11:25:53 Z iliccmarko Pinball (JOI14_pinball) C++14
100 / 100
 997 ms 61576 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl "\n"
#define INF 1000000000
#define LINF 10000000000000000LL
#define pb push_back
#define all(x) x.begin(), x.end()
#define len(s) (int)s.size()
#define test_case { int t; cin>>t; while(t--)solve(); }
#define single_case solve();
#define line cerr<<"----------"<<endl;
#define ios { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); cerr.tie(NULL); }
#define mod 1000000007LL
const int N = 1e6 + 5;
ll a[N], b[N], c[N], d[N];
ll n, m;
ll seg[4*N];
ll l[N], r[N];
ll rev[N];

inline ll get_min(ll node, ll l, ll r, ll i, ll j)
{
    if(i>r||j<l) return LINF;
    if(i>=l&&j<=r) return seg[node];
    ll mid = (i+j)/2;
    return min(get_min(node*2+1, l, r, i, mid), get_min(node*2+2, l, r, mid+1, j));
}

inline void update(ll node, ll l, ll r, ll pos, ll x)
{
    if(l==r)
    {
        seg[node] = min(seg[node], x);
        return;
    }
    ll mid = (l+r)/2;
    if(pos>mid) update(node*2+2, mid+1, r, pos, x);
    else update(node*2+1, l, mid, pos, x);
    seg[node] = min(seg[node*2+1], seg[node*2+2]);
}
map<ll, ll> mm;
vector<ll> s;

int main()
{
    ios
    cin>>m>>n;
    for(int i = 0;i<m;i++)
    {
        cin>>a[i]>>b[i]>>c[i]>>d[i];
        s.pb(a[i]);
        s.pb(b[i]);
        s.pb(c[i]);
    }
    sort(all(s));
    ll val = 0;
    for(int i = 0;i<len(s);i++)
    {
        if(!i||s[i]!=s[i-1]) mm[s[i]] = ++val;
    }
    for(int i = 0;i<4*N;i++) seg[i] = LINF;
    for(int i = 0;i<m;i++)
    {
        if(a[i]==1)
        {
            l[i] = d[i];
            update(0, 1, val, mm[c[i]], l[i]);
            continue;
        }
        //cout<<mm[a[i]]<<" "<<mm[b[i]]<<endl;
        ll mini = get_min(0, mm[a[i]], mm[b[i]], 1, val);
        l[i] = min(LINF, mini+d[i]);
        update(0, 1, val, mm[c[i]], l[i]);
    }
    for(int i = 0;i<4*N;i++) seg[i] = LINF;
    for(int i = 0;i<m;i++)
    {
        if(b[i]==n)
        {
            r[i] = d[i];
            update(0, 1, val, mm[c[i]], r[i]);
            continue;
        }
        ll mini = get_min(0, mm[a[i]], mm[b[i]], 1, val);
        r[i] = min(LINF, mini+d[i]);
        update(0, 1, val, mm[c[i]], r[i]);
    }
    ll ans = LINF;
    for(int i = 0;i<m;i++) ans = min(ans, l[i]+r[i]-d[i]);
    //for(int i = 0;i<m;i++) cout<<l[i]<<" "<<r[i]<<endl;
    if(ans==LINF) cout<<-1;
    else cout<<ans;








    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 31724 KB Output is correct
2 Correct 23 ms 31852 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 23 ms 31724 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 22 ms 31724 KB Output is correct
8 Correct 23 ms 31852 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 31724 KB Output is correct
2 Correct 23 ms 31852 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 23 ms 31724 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 22 ms 31724 KB Output is correct
8 Correct 23 ms 31852 KB Output is correct
9 Correct 25 ms 31724 KB Output is correct
10 Correct 23 ms 31800 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 23 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 24 ms 31724 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 31724 KB Output is correct
2 Correct 23 ms 31852 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 23 ms 31724 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 22 ms 31724 KB Output is correct
8 Correct 23 ms 31852 KB Output is correct
9 Correct 25 ms 31724 KB Output is correct
10 Correct 23 ms 31800 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 23 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 24 ms 31724 KB Output is correct
15 Correct 23 ms 31724 KB Output is correct
16 Correct 24 ms 31724 KB Output is correct
17 Correct 25 ms 31852 KB Output is correct
18 Correct 24 ms 31852 KB Output is correct
19 Correct 26 ms 31980 KB Output is correct
20 Correct 25 ms 31852 KB Output is correct
21 Correct 24 ms 31852 KB Output is correct
22 Correct 25 ms 31980 KB Output is correct
23 Correct 27 ms 31980 KB Output is correct
24 Correct 25 ms 31980 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 31724 KB Output is correct
2 Correct 23 ms 31852 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 23 ms 31724 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 22 ms 31724 KB Output is correct
8 Correct 23 ms 31852 KB Output is correct
9 Correct 25 ms 31724 KB Output is correct
10 Correct 23 ms 31800 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 23 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 24 ms 31724 KB Output is correct
15 Correct 23 ms 31724 KB Output is correct
16 Correct 24 ms 31724 KB Output is correct
17 Correct 25 ms 31852 KB Output is correct
18 Correct 24 ms 31852 KB Output is correct
19 Correct 26 ms 31980 KB Output is correct
20 Correct 25 ms 31852 KB Output is correct
21 Correct 24 ms 31852 KB Output is correct
22 Correct 25 ms 31980 KB Output is correct
23 Correct 27 ms 31980 KB Output is correct
24 Correct 25 ms 31980 KB Output is correct
25 Correct 62 ms 33520 KB Output is correct
26 Correct 161 ms 36988 KB Output is correct
27 Correct 514 ms 43140 KB Output is correct
28 Correct 212 ms 38928 KB Output is correct
29 Correct 356 ms 41060 KB Output is correct
30 Correct 333 ms 39900 KB Output is correct
31 Correct 837 ms 49372 KB Output is correct
32 Correct 718 ms 46244 KB Output is correct
33 Correct 86 ms 36844 KB Output is correct
34 Correct 387 ms 44692 KB Output is correct
35 Correct 388 ms 57564 KB Output is correct
36 Correct 997 ms 57636 KB Output is correct
37 Correct 743 ms 61576 KB Output is correct
38 Correct 679 ms 61532 KB Output is correct