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답안 #1097886

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1097886 2024-10-08T14:11:05 Z _8_8_ 별자리 3 (JOI20_constellation3) C++17
100 / 100
 307 ms 37460 KB 
#include <bits/stdc++.h>
    
using namespace std;
    
typedef long long ll;
const int  N = 2e5 + 12, MOD = (int)1e9 + 7;


#define int ll
int n, m, a[N], it[N];
pair<ll, ll> g[N];  

vector<pair<int, int>> t[N];
vector<int> p[N];


ll f[N * 4], add[N * 4];

void inc(int v, int val) {
    f[v] += val;
    add[v] += val;
}
void push(int v) {
    if(add[v]) {
        inc(v + v, add[v]);
        inc(v + v + 1, add[v]);
        add[v] = 0;
    }
}
void upd(int l, int r, int val, int v = 1, int tl = 1, int tr = n) {
    if(l > r || tl > r || l > tr) return;
    if(tl >= l && tr <= r) {
        inc(v, val);
    } else {
        push(v);
        int tm = (tl + tr) >> 1;
        upd(l, r, val, v + v, tl, tm);
        upd(l, r, val, v + v + 1, tm + 1, tr);
    }
}
ll get(int pos, int v = 1, int tl = 1, int tr = n) {
    if(tl == tr) {
        return f[v]; 
    } else {
        push(v);
        int tm = (tl + tr) >> 1;
        if(pos <= tm) return get(pos, v + v, tl, tm);
        return get(pos, v + v + 1, tm + 1, tr);
    }
}
void test() {
    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
        a[i] = n - a[i];
        p[a[i]].push_back(i);
    }
    cin >> m;
    for(int i = 1; i <= m; i++) {
        int x, y, c;
        cin >> x >> y >> c;
        y = n - y + 1;
        t[y].push_back({x, c});
    }
    ll ans = 0;
    set<pair<int, int>> st;
    auto ins = [&](int i){
        auto it = st.lower_bound({i, 0});
        int l = i, r = i;
        if(it != st.end() && (*it).first == i + 1) {
            r = (*it).second;
            st.erase(it);
        }
        auto j = st.lower_bound({i, 0});
        if(j != st.begin()) {
            j--;
            if((*j).second == i - 1) {
                l = (*j).first;
                st.erase(j);
            }
        }
        st.insert({l, r});
    };
    for(int i = n; i >= 1; i--) {
        for(int j:p[i]) {
            ins(j);
        }
        for(auto [x, c]:t[i]) {
            ll v = get(x);
            if(v < c) {
                ans += v;
                auto it = st.upper_bound({x, 1e9});
                it--;
                auto [l, r] = (*it);
                assert(l <= x && x <= r);
                upd(l, r, c - v);
            } else {
                ans += c;
            }
        }
    }
    
    cout << ans << '\n';
}

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); 

    int t = 1; 
    // cin >> t;

    while(t--) 
        test();

    return 0;
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9712 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9676 KB Output is correct
5 Correct 4 ms 9820 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9916 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9784 KB Output is correct
10 Correct 5 ms 9820 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 3 ms 9820 KB Output is correct
13 Correct 3 ms 9820 KB Output is correct
14 Correct 3 ms 9820 KB Output is correct
15 Correct 3 ms 9868 KB Output is correct
16 Correct 3 ms 9820 KB Output is correct
17 Correct 3 ms 9820 KB Output is correct
18 Correct 3 ms 9864 KB Output is correct
19 Correct 4 ms 9816 KB Output is correct
20 Correct 3 ms 9880 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 5 ms 9820 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9712 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9676 KB Output is correct
5 Correct 4 ms 9820 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9916 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9784 KB Output is correct
10 Correct 5 ms 9820 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 3 ms 9820 KB Output is correct
13 Correct 3 ms 9820 KB Output is correct
14 Correct 3 ms 9820 KB Output is correct
15 Correct 3 ms 9868 KB Output is correct
16 Correct 3 ms 9820 KB Output is correct
17 Correct 3 ms 9820 KB Output is correct
18 Correct 3 ms 9864 KB Output is correct
19 Correct 4 ms 9816 KB Output is correct
20 Correct 3 ms 9880 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 5 ms 9820 KB Output is correct
23 Correct 5 ms 10076 KB Output is correct
24 Correct 6 ms 10076 KB Output is correct
25 Correct 6 ms 9876 KB Output is correct
26 Correct 7 ms 10076 KB Output is correct
27 Correct 5 ms 10076 KB Output is correct
28 Correct 5 ms 10076 KB Output is correct
29 Correct 5 ms 10076 KB Output is correct
30 Correct 5 ms 10132 KB Output is correct
31 Correct 6 ms 10076 KB Output is correct
32 Correct 8 ms 10072 KB Output is correct
33 Correct 5 ms 9916 KB Output is correct
34 Correct 5 ms 10076 KB Output is correct
35 Correct 5 ms 10076 KB Output is correct
36 Correct 4 ms 10076 KB Output is correct
37 Correct 5 ms 10076 KB Output is correct
38 Correct 5 ms 10076 KB Output is correct
39 Correct 5 ms 10076 KB Output is correct
40 Correct 8 ms 9904 KB Output is correct
41 Correct 5 ms 10076 KB Output is correct
42 Correct 5 ms 9856 KB Output is correct
43 Correct 5 ms 10076 KB Output is correct
44 Correct 5 ms 10076 KB Output is correct

Subtask #3
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 9820 KB Output is correct
2 Correct 4 ms 9712 KB Output is correct
3 Correct 4 ms 9820 KB Output is correct
4 Correct 4 ms 9676 KB Output is correct
5 Correct 4 ms 9820 KB Output is correct
6 Correct 4 ms 9820 KB Output is correct
7 Correct 4 ms 9916 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9784 KB Output is correct
10 Correct 5 ms 9820 KB Output is correct
11 Correct 4 ms 9820 KB Output is correct
12 Correct 3 ms 9820 KB Output is correct
13 Correct 3 ms 9820 KB Output is correct
14 Correct 3 ms 9820 KB Output is correct
15 Correct 3 ms 9868 KB Output is correct
16 Correct 3 ms 9820 KB Output is correct
17 Correct 3 ms 9820 KB Output is correct
18 Correct 3 ms 9864 KB Output is correct
19 Correct 4 ms 9816 KB Output is correct
20 Correct 3 ms 9880 KB Output is correct
21 Correct 4 ms 9820 KB Output is correct
22 Correct 5 ms 9820 KB Output is correct
23 Correct 5 ms 10076 KB Output is correct
24 Correct 6 ms 10076 KB Output is correct
25 Correct 6 ms 9876 KB Output is correct
26 Correct 7 ms 10076 KB Output is correct
27 Correct 5 ms 10076 KB Output is correct
28 Correct 5 ms 10076 KB Output is correct
29 Correct 5 ms 10076 KB Output is correct
30 Correct 5 ms 10132 KB Output is correct
31 Correct 6 ms 10076 KB Output is correct
32 Correct 8 ms 10072 KB Output is correct
33 Correct 5 ms 9916 KB Output is correct
34 Correct 5 ms 10076 KB Output is correct
35 Correct 5 ms 10076 KB Output is correct
36 Correct 4 ms 10076 KB Output is correct
37 Correct 5 ms 10076 KB Output is correct
38 Correct 5 ms 10076 KB Output is correct
39 Correct 5 ms 10076 KB Output is correct
40 Correct 8 ms 9904 KB Output is correct
41 Correct 5 ms 10076 KB Output is correct
42 Correct 5 ms 9856 KB Output is correct
43 Correct 5 ms 10076 KB Output is correct
44 Correct 5 ms 10076 KB Output is correct
45 Correct 307 ms 37356 KB Output is correct
46 Correct 282 ms 37200 KB Output is correct
47 Correct 269 ms 37460 KB Output is correct
48 Correct 282 ms 37200 KB Output is correct
49 Correct 261 ms 37136 KB Output is correct
50 Correct 274 ms 36944 KB Output is correct
51 Correct 245 ms 36944 KB Output is correct
52 Correct 262 ms 37456 KB Output is correct
53 Correct 242 ms 37172 KB Output is correct
54 Correct 107 ms 36440 KB Output is correct
55 Correct 110 ms 36208 KB Output is correct
56 Correct 148 ms 35924 KB Output is correct
57 Correct 110 ms 36168 KB Output is correct
58 Correct 104 ms 31824 KB Output is correct
59 Correct 110 ms 31872 KB Output is correct
60 Correct 91 ms 31060 KB Output is correct
61 Correct 125 ms 31040 KB Output is correct
62 Correct 137 ms 33872 KB Output is correct
63 Correct 122 ms 30512 KB Output is correct
64 Correct 116 ms 30704 KB Output is correct
65 Correct 138 ms 33616 KB Output is correct
66 Correct 119 ms 30456 KB Output is correct