oj.uz

답안 #656734

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
656734 2022-11-08T06:45:12 Z socpite Pinball (JOI14_pinball) C++14
100 / 100
 259 ms 21988 KB 
#include<bits/stdc++.h>
using namespace std;

#define f first
#define s second

typedef long long ll;

const int maxn = 3e5+5;
const ll inf = 1e18;

vector<int> pos;
ll st[2][4*maxn];

int pp(int x){
    return lower_bound(pos.begin(), pos.end(), x)-pos.begin();
}

int A[maxn], B[maxn], C[maxn], D[maxn];

int n, m, sz;

void upd(int ty, int l, int r, int k, ll val, int id){
    if(l==r)st[ty][id] = min(st[ty][id], val);
    else{
        int mid = (l+r)>>1;
        if(k <= mid)upd(ty, l, mid, k, val, id<<1);
        else upd(ty, mid+1, r, k, val, id<<1|1);
        st[ty][id] = min(st[ty][id<<1], st[ty][id<<1|1]);
    }
}

ll query(int ty, int l, int r, int ql, int qr, int id){
    if(l > qr || ql > r)return inf;
    if(ql <= l && qr >= r)return st[ty][id];
    else{
        int mid = (l+r)>>1;
        return min(query(ty, l, mid, ql, qr, id<<1), query(ty, mid+1, r, ql, qr, id<<1|1));
    }
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> m;
    ll ans = inf;
    pos = {-1, 1, m};
    for(int i = 0; i < n; i++){
        cin >> A[i] >> B[i] >> C[i] >> D[i];
        pos.push_back(A[i]);
        pos.push_back(B[i]);
        pos.push_back(C[i]);
    }
    sort(pos.begin(), pos.end());
    pos.erase(unique(pos.begin(), pos.end()), pos.end());
    sz = pos.size()-1;
    for(int i = 0; i < 4*maxn; i++)st[0][i]=st[1][i]=inf;
    upd(0, 1, sz, 1, 0, 1);
    upd(1, 1, sz, sz, 0, 1);
    for(int i = 0; i < n; i++){
        A[i] = pp(A[i]);
        B[i] = pp(B[i]);
        C[i] = pp(C[i]);
        ll lt = query(0, 1, sz, A[i], B[i], 1), rt = query(1, 1, sz, A[i], B[i], 1);
        ans = min(ans, D[i] + lt + rt);
        upd(0, 1, sz, C[i], lt+D[i], 1);
        upd(1, 1, sz, C[i], rt+D[i], 1);
    }
    if(ans >= inf)cout << "-1";
    else cout << ans;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 9 ms 19104 KB Output is correct
3 Correct 9 ms 19028 KB Output is correct
4 Correct 9 ms 19028 KB Output is correct
5 Correct 10 ms 19032 KB Output is correct
6 Correct 10 ms 19024 KB Output is correct
7 Correct 11 ms 19028 KB Output is correct
8 Correct 8 ms 19092 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 9 ms 19104 KB Output is correct
3 Correct 9 ms 19028 KB Output is correct
4 Correct 9 ms 19028 KB Output is correct
5 Correct 10 ms 19032 KB Output is correct
6 Correct 10 ms 19024 KB Output is correct
7 Correct 11 ms 19028 KB Output is correct
8 Correct 8 ms 19092 KB Output is correct
9 Correct 9 ms 19028 KB Output is correct
10 Correct 9 ms 19108 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19028 KB Output is correct
13 Correct 9 ms 19072 KB Output is correct
14 Correct 9 ms 19052 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 9 ms 19104 KB Output is correct
3 Correct 9 ms 19028 KB Output is correct
4 Correct 9 ms 19028 KB Output is correct
5 Correct 10 ms 19032 KB Output is correct
6 Correct 10 ms 19024 KB Output is correct
7 Correct 11 ms 19028 KB Output is correct
8 Correct 8 ms 19092 KB Output is correct
9 Correct 9 ms 19028 KB Output is correct
10 Correct 9 ms 19108 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19028 KB Output is correct
13 Correct 9 ms 19072 KB Output is correct
14 Correct 9 ms 19052 KB Output is correct
15 Correct 9 ms 19116 KB Output is correct
16 Correct 9 ms 19156 KB Output is correct
17 Correct 10 ms 19156 KB Output is correct
18 Correct 13 ms 19132 KB Output is correct
19 Correct 10 ms 19076 KB Output is correct
20 Correct 12 ms 19156 KB Output is correct
21 Correct 12 ms 19028 KB Output is correct
22 Correct 10 ms 19156 KB Output is correct
23 Correct 10 ms 19156 KB Output is correct
24 Correct 10 ms 19156 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 9 ms 19104 KB Output is correct
3 Correct 9 ms 19028 KB Output is correct
4 Correct 9 ms 19028 KB Output is correct
5 Correct 10 ms 19032 KB Output is correct
6 Correct 10 ms 19024 KB Output is correct
7 Correct 11 ms 19028 KB Output is correct
8 Correct 8 ms 19092 KB Output is correct
9 Correct 9 ms 19028 KB Output is correct
10 Correct 9 ms 19108 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19028 KB Output is correct
13 Correct 9 ms 19072 KB Output is correct
14 Correct 9 ms 19052 KB Output is correct
15 Correct 9 ms 19116 KB Output is correct
16 Correct 9 ms 19156 KB Output is correct
17 Correct 10 ms 19156 KB Output is correct
18 Correct 13 ms 19132 KB Output is correct
19 Correct 10 ms 19076 KB Output is correct
20 Correct 12 ms 19156 KB Output is correct
21 Correct 12 ms 19028 KB Output is correct
22 Correct 10 ms 19156 KB Output is correct
23 Correct 10 ms 19156 KB Output is correct
24 Correct 10 ms 19156 KB Output is correct
25 Correct 25 ms 19476 KB Output is correct
26 Correct 55 ms 19920 KB Output is correct
27 Correct 186 ms 21096 KB Output is correct
28 Correct 169 ms 21892 KB Output is correct
29 Correct 117 ms 20548 KB Output is correct
30 Correct 173 ms 21888 KB Output is correct
31 Correct 245 ms 21988 KB Output is correct
32 Correct 224 ms 21892 KB Output is correct
33 Correct 37 ms 19792 KB Output is correct
34 Correct 107 ms 20544 KB Output is correct
35 Correct 157 ms 21872 KB Output is correct
36 Correct 259 ms 21888 KB Output is correct
37 Correct 211 ms 21896 KB Output is correct
38 Correct 218 ms 21876 KB Output is correct