답안 #998650

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
998650 2024-06-14T12:27:35 Z vladilius 푸드 코트 (JOI21_foodcourt) C++17
24 / 100
68 ms 38332 KB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
#define pb push_back
#define ff first
#define ss second
#define ins insert
 
struct ST{
    struct node{
        ll sum, max_suf;
    };
    using pni = pair<node, int>;
    vector<node> t;
    node null;
    int n;
    ST(int ns){
        n = ns;
        t.resize(4 * n);
        null = {0, 0};
    }
    node merge(node x, node y){
        return {x.sum + y.sum, max(y.max_suf, x.max_suf + y.sum)};
    }
    void upd(int v, int tl, int tr, int& p, int& k){
        if (tl == tr){
            t[v] = {k, k};
            return;
        }
        int tm = (tl + tr) / 2, vv = 2 * v;
        if (p <= tm){
            upd(vv, tl, tm, p, k);
        }
        else {
            upd(vv + 1, tm + 1, tr, p, k);
        }
        t[v] = merge(t[vv], t[vv + 1]);
    }
    void upd(int p, int k){
        upd(1, 1, n, p, k);
    }
    node get(int v, int tl, int tr, int& l, int& r){
        if (l > tr || r < tl) return null;
        if (l <= tl && tr <= r) return t[v];
        int tm = (tl + tr) / 2, vv = 2 * v;
        return merge(get(vv, tl, tm, l, r), get(vv + 1, tm + 1, tr, l, r));
    }
    ll get(int l, int r){
        return get(1, 1, n, l, r).max_suf;
    }
};
 
struct ST1{
    vector<ll> t;
    int n;
    ST1(int ns){
        n = ns;
        t.resize(4 * n);
    }
    void upd(int v, int tl, int tr, int& p, int& k){
        if (tl == tr){
            t[v] = k;
            return;
        }
        int tm = (tl + tr) / 2, vv = 2 * v;
        if (p <= tm){
            upd(vv, tl, tm, p, k);
        }
        else {
            upd(vv + 1, tm + 1, tr, p, k);
        }
        t[v] = t[vv] + t[vv + 1];
    }
    void upd(int p, int k){
        upd(1, 1, n, p, k);
    }
    ll get(int v, int tl, int tr, int& l, int& r){
        if (l > tr || r < tl) return 0;
        if (l <= tl && tr <= r) return t[v];
        int tm = (tl + tr) / 2, vv = 2 * v;
        return get(vv, tl, tm, l, r) + get(vv + 1, tm + 1, tr, l, r);
    }
    ll get(int l, int r){
        return get(1, 1, n, l, r);
    }
    int get_p(int r, ll k){
        int bl = 1, br = r;
        while (bl + 1 < br){
            int m = (bl + br) / 2;
            if (get(1, m) >= k){
                br = m;
            }
            else {
                bl = m + 1;
            }
        }
        if (get(1, bl) >= k) br = bl;
        return br;
    }
};
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n, m, q; cin>>n>>m>>q;
    vector<pii> st[n + 2];
    vector<pil> qs[n + 1];
    vector<int> col(q + 1);
    for (int tt = 1; tt <= q; tt++){
        int type; cin>>type;
        if (type == 1){
            int l, r, c, k; cin>>l>>r>>c>>k;
            st[l].pb({tt, k});
            st[r + 1].pb({tt, 0});
            col[tt] = c;
        }
        else if (type == 2){
            int l, r, k; cin>>l>>r>>k;
            st[l].pb({tt, -k});
            st[r + 1].pb({tt, 0});
        }
        else {
            int a, b; cin>>a>>b;
            qs[a].pb({tt, b});
        }
    }
    ST T(q);
    ST1 Ts(q);
    vector<int> out(q + 1, -1);
    for (int i = 1; i <= n; i++){
        for (auto [j, k]: st[i]){
            T.upd(j, k);
            if (k >= 0) Ts.upd(j, k);
        }
        for (auto [j, b]: qs[i]){
            ll cur = T.get(1, j);
            if (b > cur){
                out[j] = 0;
                continue;
            }
            b = Ts.get(1, j) - cur + b;
            out[j] = col[Ts.get_p(j, b)];
            if (!out[j]) return 1;
        }
    }
    for (int i = 1; i <= q; i++){
        if (out[i] != -1){
            cout<<out[i]<<"\n";
        }
    }
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Incorrect 1 ms 604 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 12392 KB Output is correct
2 Correct 47 ms 12380 KB Output is correct
3 Correct 46 ms 12416 KB Output is correct
4 Correct 43 ms 12376 KB Output is correct
5 Correct 44 ms 12380 KB Output is correct
6 Correct 48 ms 12372 KB Output is correct
7 Correct 27 ms 7628 KB Output is correct
8 Correct 30 ms 7948 KB Output is correct
9 Correct 51 ms 12416 KB Output is correct
10 Correct 44 ms 12624 KB Output is correct
11 Correct 50 ms 12380 KB Output is correct
12 Correct 48 ms 12380 KB Output is correct
13 Correct 44 ms 10328 KB Output is correct
14 Correct 51 ms 12464 KB Output is correct
15 Correct 46 ms 11096 KB Output is correct
16 Correct 50 ms 12372 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 45 ms 38332 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 46 ms 12392 KB Output is correct
22 Correct 47 ms 12380 KB Output is correct
23 Correct 46 ms 12416 KB Output is correct
24 Correct 43 ms 12376 KB Output is correct
25 Correct 44 ms 12380 KB Output is correct
26 Correct 48 ms 12372 KB Output is correct
27 Correct 27 ms 7628 KB Output is correct
28 Correct 30 ms 7948 KB Output is correct
29 Correct 51 ms 12416 KB Output is correct
30 Correct 44 ms 12624 KB Output is correct
31 Correct 50 ms 12380 KB Output is correct
32 Correct 48 ms 12380 KB Output is correct
33 Correct 44 ms 10328 KB Output is correct
34 Correct 51 ms 12464 KB Output is correct
35 Correct 46 ms 11096 KB Output is correct
36 Correct 50 ms 12372 KB Output is correct
37 Correct 62 ms 11104 KB Output is correct
38 Correct 56 ms 10332 KB Output is correct
39 Correct 30 ms 6612 KB Output is correct
40 Correct 34 ms 7732 KB Output is correct
41 Correct 66 ms 12380 KB Output is correct
42 Correct 65 ms 12372 KB Output is correct
43 Correct 65 ms 12376 KB Output is correct
44 Correct 66 ms 12380 KB Output is correct
45 Correct 66 ms 12368 KB Output is correct
46 Correct 65 ms 12376 KB Output is correct
47 Correct 53 ms 11428 KB Output is correct
48 Correct 68 ms 11868 KB Output is correct
49 Correct 43 ms 8848 KB Output is correct
50 Correct 53 ms 11092 KB Output is correct
51 Correct 66 ms 12380 KB Output is correct
52 Correct 62 ms 12396 KB Output is correct
53 Correct 38 ms 10072 KB Output is correct
54 Correct 48 ms 12372 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 49 ms 10476 KB Output isn't correct
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Incorrect 1 ms 604 KB Output isn't correct
22 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 2 ms 604 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 604 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 2 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Incorrect 1 ms 604 KB Output isn't correct
22 Halted 0 ms 0 KB -