oj.uz

답안 #674077

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
674077 2022-12-22T21:29:55 Z AmirElarbi Pinball (JOI14_pinball) C++14
100 / 100
 221 ms 22864 KB 
#include <bits/stdc++.h>
#define vi vector<int>
#define ve vector
#define ll long long
#define vf vector<float>
#define vll vector<pair<ll,ll>>
#define ii pair<int,int>
#define pll pair<ll,ll>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 1e18
#define eps 1e-7
#define eps1 1e-2
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 2e5+5
using namespace std;
int MOD = 1e9+7;
const int nax = 3e5+5;
const int nax2 = 200+5;
typedef complex<int> Point;
using cd = complex<double>;
const double PI = acos(-1);
ll m,n;
ll a[nax], b[nax], c[nax], d[nax], dp[nax], dp2[nax], st[nax*4];
ll query(int v, int l, int r, int i, int j){
    if(r < i || j < l) return INF;
    if(i <= l && r <= j) return st[v];
    int md = (l+r)/2;
    return min(query(v*2, l, md, i, j), query(v*2+1, md+1, r, i, j)); 
}
void update(int v, int l, int r, int pos, ll val){
    if(pos < l || r < pos) return;
    if(l == r) {
        st[v] = min(val, st[v]);
        return;
    }
    int md = (l+r)/2;
    update(v*2, l, md, pos, val);
    update(v*2+1, md+1, r, pos, val);
    st[v] = min(st[v*2], st[v*2+1]);
}
vi cc;
int gt(int x){
    return lower_bound(cc.begin(), cc.end(), x)-cc.begin();
}
int main(){ 
    optimise;
    cin >> m >> n;
    for (int i = 0; i < m; ++i)
    {
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        cc.pb(a[i]);
        cc.pb(b[i]);
        cc.pb(c[i]);
    }
    sort(cc.begin(), cc.end());
    cc.resize(distance(cc.begin(), unique(cc.begin(), cc.end())));
    int sz = cc.size();
    c[m] = 1;
    memset(dp,-1, sizeof dp);
    memset(dp2,-1, sizeof dp2);
    for (int i = 0; i < sz*4; ++i)
    {
        st[i] = INF;
    }
    ll cur = INF;
    dp[m] = INF;
    for (int j = 0; j < m; ++j)
    {
        dp2[j] = INF;
        if(b[j] == n) dp2[j] = d[j]; 
        dp2[j] = min(dp2[j], query(1, 0, sz-1, 0, gt(b[j]))+d[j]);
        update(1, 0, sz-1, gt(c[j]), dp2[j]);
    }
    for (int i = 0; i < sz*4; ++i)
    {
        st[i] = INF;
    }
    for (int j = m-1; j >= 0; --j)
    {
        dp[j] = INF;
        if(b[j] == n) dp[j] = d[j]; 
        dp[j] = min(dp[j], dp2[j]);
        dp[j] = min(dp[j], query(1, 0, sz-1, 0, gt(c[j]))+d[j]);
        update(1, 0, sz-1, gt(a[j]), dp[j]);
        if(a[j] == 1){
            cur = min(cur,dp[j]);
        }
    }
    if(cur == INF) cout << -1 << endl;
    else cout << cur << endl;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4940 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4940 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 2 ms 5076 KB Output is correct
11 Correct 2 ms 5076 KB Output is correct
12 Correct 2 ms 5076 KB Output is correct
13 Correct 2 ms 5076 KB Output is correct
14 Correct 2 ms 5076 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4940 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 2 ms 5076 KB Output is correct
11 Correct 2 ms 5076 KB Output is correct
12 Correct 2 ms 5076 KB Output is correct
13 Correct 2 ms 5076 KB Output is correct
14 Correct 2 ms 5076 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 4 ms 5192 KB Output is correct
18 Correct 3 ms 5084 KB Output is correct
19 Correct 4 ms 5204 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5080 KB Output is correct
22 Correct 4 ms 5212 KB Output is correct
23 Correct 3 ms 5204 KB Output is correct
24 Correct 4 ms 5152 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4940 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 3 ms 5076 KB Output is correct
10 Correct 2 ms 5076 KB Output is correct
11 Correct 2 ms 5076 KB Output is correct
12 Correct 2 ms 5076 KB Output is correct
13 Correct 2 ms 5076 KB Output is correct
14 Correct 2 ms 5076 KB Output is correct
15 Correct 3 ms 5068 KB Output is correct
16 Correct 3 ms 5076 KB Output is correct
17 Correct 4 ms 5192 KB Output is correct
18 Correct 3 ms 5084 KB Output is correct
19 Correct 4 ms 5204 KB Output is correct
20 Correct 3 ms 5076 KB Output is correct
21 Correct 3 ms 5080 KB Output is correct
22 Correct 4 ms 5212 KB Output is correct
23 Correct 3 ms 5204 KB Output is correct
24 Correct 4 ms 5152 KB Output is correct
25 Correct 17 ms 6356 KB Output is correct
26 Correct 55 ms 8780 KB Output is correct
27 Correct 137 ms 13888 KB Output is correct
28 Correct 125 ms 13332 KB Output is correct
29 Correct 95 ms 12048 KB Output is correct
30 Correct 153 ms 13992 KB Output is correct
31 Correct 193 ms 18652 KB Output is correct
32 Correct 176 ms 17164 KB Output is correct
33 Correct 32 ms 8564 KB Output is correct
34 Correct 97 ms 13952 KB Output is correct
35 Correct 192 ms 22744 KB Output is correct
36 Correct 211 ms 22748 KB Output is correct
37 Correct 204 ms 22864 KB Output is correct
38 Correct 221 ms 22716 KB Output is correct