oj.uz

답안 #581588

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
581588 2022-06-22T19:31:37 Z Vanilla Pinball (JOI14_pinball) C++17
51 / 100
 244 ms 23000 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long int64;
const int maxn = 1e5 + 2;
int64 a[maxn], b[maxn], c[maxn], cost[maxn];
vector <int64> coord;
int64 sgt[2][12 * maxn]; // sgt[0] -> l, sgt[1] -> r;
int64 n,m;
 
int64 query (int x, int l, int r, int il, int ir, int idx) {
    if (il <= l && r <= ir) return sgt[idx][x];
    if (l > ir || r < il) return 1e15;
    int mid = (l + r) / 2;
    return min(query(x * 2, l, mid, il, ir, idx), query(x * 2 + 1, mid + 1, r, il, ir, idx));
} 

int64 update (int x, int l, int r, int pos, int64 nval, int idx) {
    if (l == pos && r == pos) return sgt[idx][x] = min(sgt[idx][x], nval);
    if (l > pos || r < pos) return sgt[idx][x];
    int mid = (l + r) / 2;
    return sgt[idx][x] = min(update(x * 2, l, mid, pos, nval, idx), update(x * 2 + 1, mid + 1, r, pos, nval, idx));
}
 

 
 
int main() {
    cin >> n >> m;
    bool f1 = 0, f2 = 0;
    for (int i = 0; i < 12 * maxn; i++){
        sgt[0][i] = sgt[1][i] = 1e15;
    }
    for (int i = 0; i < n; i++){
        cin >> a[i] >> b[i] >> c[i] >> cost[i];
        if (a[i] == 1) f1 = 1;
        if (b[i] == m) f2 = 1;
        coord.push_back(a[i]);
        coord.push_back(b[i]);
        coord.push_back(c[i]);
    }
    if (!f1 || !f2){
        cout << -1;
        return 0;
    }
    sort(coord.begin(), coord.end());
    coord.erase(unique(coord.begin(), coord.end()), coord.end());
    m = 0;
    for (int i = 0; i < n; i++){
        a[i] = lower_bound(coord.begin(), coord.end(), a[i]) - coord.begin();
        b[i] = lower_bound(coord.begin(), coord.end(), b[i]) - coord.begin();
        c[i] = lower_bound(coord.begin(), coord.end(), c[i]) - coord.begin();
        m = max(m, b[i]);
    }
    int64 rs = 1e15;
    update(1, 0, maxn, 0, 0, 0);
    update(1, 0, maxn, m, 0, 1);
    for (int i = 0; i < n; i++){
        rs = min(rs, query(1, 0, maxn, a[i], b[i], 0) + query(1, 0, maxn, a[i], b[i], 1) + cost[i]);
        int64 vafle = query(1, 0, maxn, a[i], b[i], 0) + cost[i];
        update(1, 0, maxn, c[i], vafle, 0);
        vafle = query(1, 0, maxn, a[i], b[i], 1) + cost[i];
        update(1, 0, maxn, c[i], vafle, 1);
    }
    cout << (rs >= 1e15 ? -1: rs);
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 10 ms 19052 KB Output is correct
3 Correct 8 ms 19064 KB Output is correct
4 Correct 8 ms 19028 KB Output is correct
5 Correct 8 ms 19028 KB Output is correct
6 Correct 9 ms 19028 KB Output is correct
7 Correct 9 ms 18984 KB Output is correct
8 Correct 9 ms 19096 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 10 ms 19052 KB Output is correct
3 Correct 8 ms 19064 KB Output is correct
4 Correct 8 ms 19028 KB Output is correct
5 Correct 8 ms 19028 KB Output is correct
6 Correct 9 ms 19028 KB Output is correct
7 Correct 9 ms 18984 KB Output is correct
8 Correct 9 ms 19096 KB Output is correct
9 Correct 9 ms 19064 KB Output is correct
10 Correct 9 ms 19028 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19092 KB Output is correct
13 Correct 10 ms 19056 KB Output is correct
14 Correct 9 ms 19128 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 10 ms 19052 KB Output is correct
3 Correct 8 ms 19064 KB Output is correct
4 Correct 8 ms 19028 KB Output is correct
5 Correct 8 ms 19028 KB Output is correct
6 Correct 9 ms 19028 KB Output is correct
7 Correct 9 ms 18984 KB Output is correct
8 Correct 9 ms 19096 KB Output is correct
9 Correct 9 ms 19064 KB Output is correct
10 Correct 9 ms 19028 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19092 KB Output is correct
13 Correct 10 ms 19056 KB Output is correct
14 Correct 9 ms 19128 KB Output is correct
15 Correct 9 ms 19028 KB Output is correct
16 Correct 9 ms 19096 KB Output is correct
17 Correct 12 ms 19112 KB Output is correct
18 Correct 14 ms 19088 KB Output is correct
19 Correct 13 ms 19176 KB Output is correct
20 Correct 12 ms 19192 KB Output is correct
21 Correct 11 ms 19152 KB Output is correct
22 Correct 12 ms 19156 KB Output is correct
23 Correct 13 ms 19148 KB Output is correct
24 Correct 11 ms 19152 KB Output is correct

Subtask #4
0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 19028 KB Output is correct
2 Correct 10 ms 19052 KB Output is correct
3 Correct 8 ms 19064 KB Output is correct
4 Correct 8 ms 19028 KB Output is correct
5 Correct 8 ms 19028 KB Output is correct
6 Correct 9 ms 19028 KB Output is correct
7 Correct 9 ms 18984 KB Output is correct
8 Correct 9 ms 19096 KB Output is correct
9 Correct 9 ms 19064 KB Output is correct
10 Correct 9 ms 19028 KB Output is correct
11 Correct 9 ms 19028 KB Output is correct
12 Correct 9 ms 19092 KB Output is correct
13 Correct 10 ms 19056 KB Output is correct
14 Correct 9 ms 19128 KB Output is correct
15 Correct 9 ms 19028 KB Output is correct
16 Correct 9 ms 19096 KB Output is correct
17 Correct 12 ms 19112 KB Output is correct
18 Correct 14 ms 19088 KB Output is correct
19 Correct 13 ms 19176 KB Output is correct
20 Correct 12 ms 19192 KB Output is correct
21 Correct 11 ms 19152 KB Output is correct
22 Correct 12 ms 19156 KB Output is correct
23 Correct 13 ms 19148 KB Output is correct
24 Correct 11 ms 19152 KB Output is correct
25 Correct 38 ms 19732 KB Output is correct
26 Correct 90 ms 20916 KB Output is correct
27 Incorrect 244 ms 23000 KB Output isn't correct
28 Halted 0 ms 0 KB -