oj.uz

답안 #955196

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
955196 2024-03-29T16:02:10 Z sandry24 Pinball (JOI14_pinball) C++17
100 / 100
 243 ms 32640 KB 
#include <bits/stdc++.h>
using namespace std;
 
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define pb push_back
#define mp make_pair
#define f first
#define s second

const ll maxn = 1e5+5, INF = 1e15;
vi a(maxn), b(maxn), c(maxn), d(maxn), coords; 
vector<vector<ll>> seg(2, vector<ll>(12*maxn, INF));
vector<ll> lm(3*maxn, INF), rm(3*maxn, INF);

ll query(int v, int tl, int tr, int l, int r, int idx){
    if(l > r)
        return 1e16;
    if(tl == l && tr == r)
        return seg[idx][v];
    int tm = (tl + tr) / 2;
    return min(query(v*2, tl, tm, l, min(tm, r), idx), 
        query(v*2+1, tm+1, tr, max(tm+1, l), r, idx));
}

void upd(int v, int tl, int tr, int pos, ll val, int idx){
    if(tl == tr){
        seg[idx][v] = val;
    } else {
        int tm = (tl + tr) / 2;
        if(pos <= tm)
            upd(v*2, tl, tm, pos, val, idx);
        else
            upd(v*2+1, tm+1, tr, pos, val, idx);
        seg[idx][v] = min(seg[idx][v*2], seg[idx][v*2+1]);
    }
}

void solve(){
    int n, m;
    cin >> n >> m;
    coords.pb(1); coords.pb(m);
    for(int i = 0; i < n; i++){
        cin >> a[i] >> b[i] >> c[i] >> d[i];
        coords.pb(a[i]);
        coords.pb(b[i]);
        coords.pb(c[i]);
    }
    sort(coords.begin(), coords.end());
    coords.erase(unique(coords.begin(), coords.end()), coords.end());
    int sz = coords.size();
    for(int i = 0; i < n; i++){
        a[i] = lower_bound(coords.begin(), coords.end(), a[i]) - coords.begin();
        b[i] = lower_bound(coords.begin(), coords.end(), b[i]) - coords.begin();
        c[i] = lower_bound(coords.begin(), coords.end(), c[i]) - coords.begin();
    }
    upd(1, 0, sz-1, 0, 0, 0); lm[0] = 0;
    upd(1, 0, sz-1, sz-1, 0, 1); rm[sz-1] = 0;
    ll ans = 1e15;
    for(int i = 0; i < n; i++){
        ll lf = query(1, 0, sz-1, a[i], b[i], 0);
        ll rt = query(1, 0, sz-1, a[i], b[i], 1);
        ans = min(ans, lf + rt + d[i]);
        lm[c[i]] = min(lm[c[i]], lf + d[i]);
        rm[c[i]] = min(rm[c[i]], rt + d[i]);
        upd(1, 0, sz-1, c[i], lm[c[i]], 0);
        upd(1, 0, sz-1, c[i], rm[c[i]], 1);
    }
    if(ans == 1e15)
        cout << -1 << '\n';
    else
        cout << ans << '\n';
} 
 
int main(){
    // freopen("monede.in", "r", stdin);
    // freopen("monede.out", "w", stdout);
    ios::sync_with_stdio(0); cin.tie(0);
    int t = 1;
    // cin >> t;
    while(t--){
        solve();
    }
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 30044 KB Output is correct
2 Correct 9 ms 30044 KB Output is correct
3 Correct 9 ms 30044 KB Output is correct
4 Correct 9 ms 29960 KB Output is correct
5 Correct 10 ms 30044 KB Output is correct
6 Correct 9 ms 29948 KB Output is correct
7 Correct 8 ms 30044 KB Output is correct
8 Correct 9 ms 30044 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 30044 KB Output is correct
2 Correct 9 ms 30044 KB Output is correct
3 Correct 9 ms 30044 KB Output is correct
4 Correct 9 ms 29960 KB Output is correct
5 Correct 10 ms 30044 KB Output is correct
6 Correct 9 ms 29948 KB Output is correct
7 Correct 8 ms 30044 KB Output is correct
8 Correct 9 ms 30044 KB Output is correct
9 Correct 10 ms 30044 KB Output is correct
10 Correct 9 ms 30080 KB Output is correct
11 Correct 9 ms 30160 KB Output is correct
12 Correct 9 ms 30044 KB Output is correct
13 Correct 10 ms 30044 KB Output is correct
14 Correct 9 ms 30044 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 30044 KB Output is correct
2 Correct 9 ms 30044 KB Output is correct
3 Correct 9 ms 30044 KB Output is correct
4 Correct 9 ms 29960 KB Output is correct
5 Correct 10 ms 30044 KB Output is correct
6 Correct 9 ms 29948 KB Output is correct
7 Correct 8 ms 30044 KB Output is correct
8 Correct 9 ms 30044 KB Output is correct
9 Correct 10 ms 30044 KB Output is correct
10 Correct 9 ms 30080 KB Output is correct
11 Correct 9 ms 30160 KB Output is correct
12 Correct 9 ms 30044 KB Output is correct
13 Correct 10 ms 30044 KB Output is correct
14 Correct 9 ms 30044 KB Output is correct
15 Correct 9 ms 30044 KB Output is correct
16 Correct 9 ms 29988 KB Output is correct
17 Correct 10 ms 30044 KB Output is correct
18 Correct 10 ms 30044 KB Output is correct
19 Correct 10 ms 30044 KB Output is correct
20 Correct 10 ms 30044 KB Output is correct
21 Correct 9 ms 30044 KB Output is correct
22 Correct 11 ms 30044 KB Output is correct
23 Correct 10 ms 30040 KB Output is correct
24 Correct 10 ms 30044 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 30044 KB Output is correct
2 Correct 9 ms 30044 KB Output is correct
3 Correct 9 ms 30044 KB Output is correct
4 Correct 9 ms 29960 KB Output is correct
5 Correct 10 ms 30044 KB Output is correct
6 Correct 9 ms 29948 KB Output is correct
7 Correct 8 ms 30044 KB Output is correct
8 Correct 9 ms 30044 KB Output is correct
9 Correct 10 ms 30044 KB Output is correct
10 Correct 9 ms 30080 KB Output is correct
11 Correct 9 ms 30160 KB Output is correct
12 Correct 9 ms 30044 KB Output is correct
13 Correct 10 ms 30044 KB Output is correct
14 Correct 9 ms 30044 KB Output is correct
15 Correct 9 ms 30044 KB Output is correct
16 Correct 9 ms 29988 KB Output is correct
17 Correct 10 ms 30044 KB Output is correct
18 Correct 10 ms 30044 KB Output is correct
19 Correct 10 ms 30044 KB Output is correct
20 Correct 10 ms 30044 KB Output is correct
21 Correct 9 ms 30044 KB Output is correct
22 Correct 11 ms 30044 KB Output is correct
23 Correct 10 ms 30040 KB Output is correct
24 Correct 10 ms 30044 KB Output is correct
25 Correct 24 ms 30044 KB Output is correct
26 Correct 48 ms 29980 KB Output is correct
27 Correct 130 ms 30008 KB Output is correct
28 Correct 118 ms 32344 KB Output is correct
29 Correct 95 ms 30044 KB Output is correct
30 Correct 147 ms 32640 KB Output is correct
31 Correct 213 ms 32636 KB Output is correct
32 Correct 187 ms 32636 KB Output is correct
33 Correct 32 ms 30044 KB Output is correct
34 Correct 104 ms 30040 KB Output is correct
35 Correct 143 ms 32416 KB Output is correct
36 Correct 243 ms 32600 KB Output is correct
37 Correct 203 ms 32624 KB Output is correct
38 Correct 216 ms 32604 KB Output is correct