답안 #1008655

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1008655 2024-06-26T16:18:45 Z fimh Art Exhibition (JOI18_art) C++14
100 / 100
279 ms 37528 KB
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using pll = pair<ll, ll>;

#define fi first
#define se second
#define all(a) (a).begin(), (a).end()
#define sz(a) (ll)a.size()

const ll N = 5e5 + 5;
const ll mod = 1e9 + 7;
const ll inf = 1e18;

ll n;
pll a[N];

struct SegmentTree{
    ll st[N << 2], lz[N << 2];
    void apply(ll id, ll k){
        st[id] += k;
        lz[id] += k;
    }
    void push(ll id){
        apply(id << 1, lz[id]);
        apply(id << 1 | 1, lz[id]);
        lz[id] = 0;
    }
    void upd(ll id, ll l, ll r, ll u, ll v, ll x){
        if (r < u || l > v) return;
        if (u <= l && r <= v){
            apply(id, x);
            return;
        }
        push(id);
        ll mid = l + r >> 1;
        upd(id << 1, l, mid, u, v, x);
        upd(id << 1 | 1, mid + 1, r, u, v, x);
        st[id] = max(st[id << 1], st[id << 1 | 1]);
    }
    ll get(ll id, ll l, ll r, ll u, ll v){
        if (r < u || l > v) return -inf;
        if (u <= l && r <= v) return st[id];
        push(id);
        ll mid = l + r >> 1;
        return max(get(id << 1, l, mid, u, v), get(id << 1 | 1, mid + 1, r, u, v));
    }
} st;

void Solve(){
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >> a[i].fi >> a[i].se;
    sort(a + 1, a + n + 1);
    ll ans = -inf;
    for (int i = 1; i <= n; ++i){
        st.upd(1, 1, n, 1, i, a[i].se);
        st.upd(1, 1, n, i, i, a[i].fi);
        ans = max(ans, st.get(1, 1, n, 1, i) - a[i].fi);
    }
    cout << ans;
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
//    freopen("FILE.inp", "r", stdin);
//    freopen("FILE.out", "w", stdout);
    ll t = 1; // cin >> t;
    while (t--) Solve();
}

Compilation message

art.cpp: In member function 'void SegmentTree::upd(ll, ll, ll, ll, ll, ll)':
art.cpp:37:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   37 |         ll mid = l + r >> 1;
      |                  ~~^~~
art.cpp: In member function 'll SegmentTree::get(ll, ll, ll, ll, ll)':
art.cpp:46:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   46 |         ll mid = l + r >> 1;
      |                  ~~^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 3 ms 600 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 620 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 4 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 3 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 3 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 3 ms 600 KB Output is correct
28 Correct 2 ms 604 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 2 ms 604 KB Output is correct
31 Correct 2 ms 620 KB Output is correct
32 Correct 2 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 2 ms 604 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 4 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 2 ms 604 KB Output is correct
41 Correct 2 ms 604 KB Output is correct
42 Correct 3 ms 604 KB Output is correct
43 Correct 2 ms 604 KB Output is correct
44 Correct 3 ms 604 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 2 ms 604 KB Output is correct
47 Correct 2 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 2 ms 604 KB Output is correct
51 Correct 2 ms 604 KB Output is correct
52 Correct 269 ms 34580 KB Output is correct
53 Correct 279 ms 37324 KB Output is correct
54 Correct 267 ms 37204 KB Output is correct
55 Correct 273 ms 37200 KB Output is correct
56 Correct 255 ms 37216 KB Output is correct
57 Correct 262 ms 37200 KB Output is correct
58 Correct 268 ms 37132 KB Output is correct
59 Correct 267 ms 37180 KB Output is correct
60 Correct 264 ms 37264 KB Output is correct
61 Correct 251 ms 37200 KB Output is correct
62 Correct 259 ms 37196 KB Output is correct
63 Correct 262 ms 37208 KB Output is correct
64 Correct 267 ms 37168 KB Output is correct
65 Correct 266 ms 37288 KB Output is correct
66 Correct 248 ms 37204 KB Output is correct
67 Correct 261 ms 37204 KB Output is correct
68 Correct 266 ms 37528 KB Output is correct