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답안 #349307

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
349307 2021-01-17T11:28:50 Z iliccmarko Pinball (JOI14_pinball) C++14
51 / 100
 1000 ms 57840 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 23 ms 31724 KB Output is correct
2 Correct 24 ms 31724 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 22 ms 31756 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 23 ms 31724 KB Output is correct
8 Correct 23 ms 31724 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 31724 KB Output is correct
2 Correct 24 ms 31724 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 22 ms 31756 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 23 ms 31724 KB Output is correct
8 Correct 23 ms 31724 KB Output is correct
9 Correct 23 ms 31724 KB Output is correct
10 Correct 23 ms 31724 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 24 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 23 ms 31724 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 31724 KB Output is correct
2 Correct 24 ms 31724 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 22 ms 31756 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 23 ms 31724 KB Output is correct
8 Correct 23 ms 31724 KB Output is correct
9 Correct 23 ms 31724 KB Output is correct
10 Correct 23 ms 31724 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 24 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 23 ms 31724 KB Output is correct
15 Correct 23 ms 31744 KB Output is correct
16 Correct 23 ms 31792 KB Output is correct
17 Correct 25 ms 31852 KB Output is correct
18 Correct 24 ms 31852 KB Output is correct
19 Correct 25 ms 31980 KB Output is correct
20 Correct 26 ms 31980 KB Output is correct
21 Correct 23 ms 31852 KB Output is correct
22 Correct 26 ms 31980 KB Output is correct
23 Correct 24 ms 31980 KB Output is correct
24 Correct 25 ms 31980 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 31724 KB Output is correct
2 Correct 24 ms 31724 KB Output is correct
3 Correct 22 ms 31724 KB Output is correct
4 Correct 23 ms 31724 KB Output is correct
5 Correct 22 ms 31756 KB Output is correct
6 Correct 23 ms 31724 KB Output is correct
7 Correct 23 ms 31724 KB Output is correct
8 Correct 23 ms 31724 KB Output is correct
9 Correct 23 ms 31724 KB Output is correct
10 Correct 23 ms 31724 KB Output is correct
11 Correct 23 ms 31724 KB Output is correct
12 Correct 24 ms 31724 KB Output is correct
13 Correct 23 ms 31724 KB Output is correct
14 Correct 23 ms 31724 KB Output is correct
15 Correct 23 ms 31744 KB Output is correct
16 Correct 23 ms 31792 KB Output is correct
17 Correct 25 ms 31852 KB Output is correct
18 Correct 24 ms 31852 KB Output is correct
19 Correct 25 ms 31980 KB Output is correct
20 Correct 26 ms 31980 KB Output is correct
21 Correct 23 ms 31852 KB Output is correct
22 Correct 26 ms 31980 KB Output is correct
23 Correct 24 ms 31980 KB Output is correct
24 Correct 25 ms 31980 KB Output is correct
25 Correct 57 ms 33520 KB Output is correct
26 Correct 144 ms 37028 KB Output is correct
27 Correct 471 ms 43036 KB Output is correct
28 Correct 211 ms 39004 KB Output is correct
29 Correct 333 ms 41060 KB Output is correct
30 Correct 330 ms 39900 KB Output is correct
31 Correct 819 ms 49244 KB Output is correct
32 Correct 737 ms 46380 KB Output is correct
33 Correct 89 ms 36844 KB Output is correct
34 Correct 396 ms 44772 KB Output is correct
35 Correct 393 ms 57436 KB Output is correct
36 Execution timed out 1000 ms 57840 KB Time limit exceeded
37 Halted 0 ms 0 KB -