답안 #765906

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
765906 2023-06-25T07:19:05 Z Owen11 Art Exhibition (JOI18_art) C++14
100 / 100
281 ms 40520 KB
#include <bits/stdc++.h>
using namespace std;

# define int long long
# define fir first
# define sec second
# define pb push_back

const int cnst = 5e5+5;
bool mutipletestcase = 0;
//bool debug = false;

int arr[cnst];
int posi[cnst*4];

int merge(int a, int b) {
    return max(a, b);
}

void build(int a, int b, int id) {
    if(a == b) {posi[id] = arr[a]; return;}
    int mid = (a+b)/2;
    build(a, mid, id*2);
    build(mid+1, b, id*2+1);
    posi[id] = merge(posi[id*2], posi[id*2+1]);
}

void update(int a, int b, int id, int pos, int val) {
    if(a == pos && b == pos) {
        posi[id] = val;
        return;
    }
    int mid =(a+b)/2;
    if(pos <= mid) update(a, mid, id*2, pos, val);
    else update(mid+1, b, id*2+1, pos, val);
    posi[id] = merge(posi[id*2], posi[id*2+1]);
}

int get(int a, int b, int id, int from, int to) {
    if(to < a || from > b) return LLONG_MIN;
    if(from <= a && b <= to) return posi[id];
    int mid = (a+b)/2;
    return merge(get(a, mid, id*2, from, to), get(mid+1, b, id*2+1, from, to));
}


void solve() {
    int n; cin >> n;

    pair<int, int> paint[n+5];

    for(int i = 1; i<=4*n; i++) posi[i] = LLONG_MIN;

    for(int i = 1; i<=n; i++) cin >> paint[i].fir >> paint[i].sec;

    int presum[n+5]; presum[0] = 0;
    sort(paint+1, paint+n+1);

    for(int i = 1; i<=n; i++) {
        presum[i] = presum[i-1]+paint[i].sec;
        // cerr << presum[i] << " " << paint[i].fir << endl;
        update(1, n, 1, i, presum[i]-paint[i].fir);
    }

    // for(int i = 1; i<=n; i++) cerr << presum[i] << " ";
    // cerr << endl;
    // for(int i = 1; i<=n; i++) cerr << get(1, n, 1, i, i) << " ";
    // cerr << endl;

    int ans = 0;
    for(int i = 1; i<=n; i++) {
        int temp = paint[i].fir-presum[i-1];
        // cerr << paint[i].fir << " " << presum[i-1] << " " << get(1, n, 1, i, n) << endl;
        temp += get(1, n, 1, i, n);
        // cerr << i << " " << temp << endl;
        ans = max(ans, temp);
    }

    cout << ans << endl;
}

signed main() {
    ios_base::sync_with_stdio(false);
    int t = 1;
    if(mutipletestcase) cin >> t; 
    while(t--) solve();
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 684 KB Output is correct
29 Correct 3 ms 728 KB Output is correct
30 Correct 3 ms 724 KB Output is correct
31 Correct 4 ms 684 KB Output is correct
32 Correct 3 ms 720 KB Output is correct
33 Correct 3 ms 724 KB Output is correct
34 Correct 3 ms 724 KB Output is correct
35 Correct 3 ms 720 KB Output is correct
36 Correct 3 ms 724 KB Output is correct
37 Correct 3 ms 728 KB Output is correct
38 Correct 3 ms 724 KB Output is correct
39 Correct 3 ms 720 KB Output is correct
40 Correct 4 ms 724 KB Output is correct
41 Correct 3 ms 724 KB Output is correct
42 Correct 4 ms 724 KB Output is correct
43 Correct 4 ms 600 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 3 ms 724 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 3 ms 724 KB Output is correct
48 Correct 3 ms 724 KB Output is correct
49 Correct 3 ms 688 KB Output is correct
50 Correct 3 ms 720 KB Output is correct
51 Correct 3 ms 688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 328 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 264 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 684 KB Output is correct
29 Correct 3 ms 728 KB Output is correct
30 Correct 3 ms 724 KB Output is correct
31 Correct 4 ms 684 KB Output is correct
32 Correct 3 ms 720 KB Output is correct
33 Correct 3 ms 724 KB Output is correct
34 Correct 3 ms 724 KB Output is correct
35 Correct 3 ms 720 KB Output is correct
36 Correct 3 ms 724 KB Output is correct
37 Correct 3 ms 728 KB Output is correct
38 Correct 3 ms 724 KB Output is correct
39 Correct 3 ms 720 KB Output is correct
40 Correct 4 ms 724 KB Output is correct
41 Correct 3 ms 724 KB Output is correct
42 Correct 4 ms 724 KB Output is correct
43 Correct 4 ms 600 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 3 ms 724 KB Output is correct
46 Correct 3 ms 596 KB Output is correct
47 Correct 3 ms 724 KB Output is correct
48 Correct 3 ms 724 KB Output is correct
49 Correct 3 ms 688 KB Output is correct
50 Correct 3 ms 720 KB Output is correct
51 Correct 3 ms 688 KB Output is correct
52 Correct 281 ms 40292 KB Output is correct
53 Correct 250 ms 40340 KB Output is correct
54 Correct 248 ms 40300 KB Output is correct
55 Correct 248 ms 40344 KB Output is correct
56 Correct 252 ms 40280 KB Output is correct
57 Correct 253 ms 40352 KB Output is correct
58 Correct 256 ms 40288 KB Output is correct
59 Correct 252 ms 40268 KB Output is correct
60 Correct 245 ms 40348 KB Output is correct
61 Correct 274 ms 40128 KB Output is correct
62 Correct 261 ms 40276 KB Output is correct
63 Correct 262 ms 40352 KB Output is correct
64 Correct 269 ms 40268 KB Output is correct
65 Correct 258 ms 40520 KB Output is correct
66 Correct 262 ms 40344 KB Output is correct
67 Correct 259 ms 40352 KB Output is correct
68 Correct 252 ms 40284 KB Output is correct