답안 #1108402

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1108402 2024-11-04T04:21:12 Z vjudge1 Art Exhibition (JOI18_art) C++17
100 / 100
145 ms 20040 KB
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define FORD(i, b, a) for(int i = (b); i >= (a); i--)
#define pa pair<ll, ll>
#define fi first
#define se second
#define bit(mask, j) (mask & (1<<j))
const ll mod = 1e9 + 7;
const ll INF = 1e17;
const ll N = 5e5 + 10;
pa a[N];
ll s[N], dmax[N], dd[N], ans = 0;
int main() {

    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    #define NAME "hbmt"
        if(fopen(NAME".inp", "r")) {
            freopen(NAME".inp", "r", stdin);
            freopen(NAME".out", "w", stdout);
        }
    ll n;
    cin >> n;
    FOR(i, 1, n)
    {
        cin >> a[i].fi >> a[i].se;
    }
    sort(a + 1, a + n + 1);
   
    FORD(i, n, 1)
    {
        s[i] = s[i + 1] + a[i].se;
        dmax[i] = s[i] + a[i].fi;
    }
    FOR(i, 1, n)
    {
        dd[i] = max(dd[i - 1], dmax[i]);
    }
    FOR(i, 1, n)
    {
        ans = max(ans, dd[i] - a[i].fi - s[i + 1]);
    }
    cout << ans;
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:21:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |             freopen(NAME".inp", "r", stdin);
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:22:20: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |             freopen(NAME".out", "w", stdout);
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4572 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4432 KB Output is correct
7 Correct 1 ms 4432 KB Output is correct
8 Correct 1 ms 4600 KB Output is correct
9 Correct 1 ms 4432 KB Output is correct
10 Correct 1 ms 4432 KB Output is correct
11 Correct 1 ms 4432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4572 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4432 KB Output is correct
7 Correct 1 ms 4432 KB Output is correct
8 Correct 1 ms 4600 KB Output is correct
9 Correct 1 ms 4432 KB Output is correct
10 Correct 1 ms 4432 KB Output is correct
11 Correct 1 ms 4432 KB Output is correct
12 Correct 1 ms 4432 KB Output is correct
13 Correct 1 ms 4432 KB Output is correct
14 Correct 1 ms 4432 KB Output is correct
15 Correct 1 ms 4448 KB Output is correct
16 Correct 1 ms 4432 KB Output is correct
17 Correct 1 ms 4432 KB Output is correct
18 Correct 1 ms 4432 KB Output is correct
19 Correct 1 ms 4432 KB Output is correct
20 Correct 1 ms 4432 KB Output is correct
21 Correct 2 ms 4432 KB Output is correct
22 Correct 1 ms 4432 KB Output is correct
23 Correct 1 ms 4432 KB Output is correct
24 Correct 1 ms 4432 KB Output is correct
25 Correct 1 ms 4432 KB Output is correct
26 Correct 1 ms 4432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4572 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4432 KB Output is correct
7 Correct 1 ms 4432 KB Output is correct
8 Correct 1 ms 4600 KB Output is correct
9 Correct 1 ms 4432 KB Output is correct
10 Correct 1 ms 4432 KB Output is correct
11 Correct 1 ms 4432 KB Output is correct
12 Correct 1 ms 4432 KB Output is correct
13 Correct 1 ms 4432 KB Output is correct
14 Correct 1 ms 4432 KB Output is correct
15 Correct 1 ms 4448 KB Output is correct
16 Correct 1 ms 4432 KB Output is correct
17 Correct 1 ms 4432 KB Output is correct
18 Correct 1 ms 4432 KB Output is correct
19 Correct 1 ms 4432 KB Output is correct
20 Correct 1 ms 4432 KB Output is correct
21 Correct 2 ms 4432 KB Output is correct
22 Correct 1 ms 4432 KB Output is correct
23 Correct 1 ms 4432 KB Output is correct
24 Correct 1 ms 4432 KB Output is correct
25 Correct 1 ms 4432 KB Output is correct
26 Correct 1 ms 4432 KB Output is correct
27 Correct 2 ms 4432 KB Output is correct
28 Correct 2 ms 4432 KB Output is correct
29 Correct 2 ms 4432 KB Output is correct
30 Correct 2 ms 4432 KB Output is correct
31 Correct 2 ms 4568 KB Output is correct
32 Correct 2 ms 4432 KB Output is correct
33 Correct 2 ms 4432 KB Output is correct
34 Correct 2 ms 4432 KB Output is correct
35 Correct 2 ms 4432 KB Output is correct
36 Correct 2 ms 4432 KB Output is correct
37 Correct 2 ms 4432 KB Output is correct
38 Correct 2 ms 4432 KB Output is correct
39 Correct 3 ms 4432 KB Output is correct
40 Correct 2 ms 4444 KB Output is correct
41 Correct 2 ms 4432 KB Output is correct
42 Correct 2 ms 4432 KB Output is correct
43 Correct 2 ms 4432 KB Output is correct
44 Correct 2 ms 4432 KB Output is correct
45 Correct 2 ms 4600 KB Output is correct
46 Correct 2 ms 4432 KB Output is correct
47 Correct 2 ms 4604 KB Output is correct
48 Correct 2 ms 4432 KB Output is correct
49 Correct 2 ms 4432 KB Output is correct
50 Correct 2 ms 4432 KB Output is correct
51 Correct 3 ms 4432 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 1 ms 4572 KB Output is correct
4 Correct 1 ms 4432 KB Output is correct
5 Correct 1 ms 4432 KB Output is correct
6 Correct 1 ms 4432 KB Output is correct
7 Correct 1 ms 4432 KB Output is correct
8 Correct 1 ms 4600 KB Output is correct
9 Correct 1 ms 4432 KB Output is correct
10 Correct 1 ms 4432 KB Output is correct
11 Correct 1 ms 4432 KB Output is correct
12 Correct 1 ms 4432 KB Output is correct
13 Correct 1 ms 4432 KB Output is correct
14 Correct 1 ms 4432 KB Output is correct
15 Correct 1 ms 4448 KB Output is correct
16 Correct 1 ms 4432 KB Output is correct
17 Correct 1 ms 4432 KB Output is correct
18 Correct 1 ms 4432 KB Output is correct
19 Correct 1 ms 4432 KB Output is correct
20 Correct 1 ms 4432 KB Output is correct
21 Correct 2 ms 4432 KB Output is correct
22 Correct 1 ms 4432 KB Output is correct
23 Correct 1 ms 4432 KB Output is correct
24 Correct 1 ms 4432 KB Output is correct
25 Correct 1 ms 4432 KB Output is correct
26 Correct 1 ms 4432 KB Output is correct
27 Correct 2 ms 4432 KB Output is correct
28 Correct 2 ms 4432 KB Output is correct
29 Correct 2 ms 4432 KB Output is correct
30 Correct 2 ms 4432 KB Output is correct
31 Correct 2 ms 4568 KB Output is correct
32 Correct 2 ms 4432 KB Output is correct
33 Correct 2 ms 4432 KB Output is correct
34 Correct 2 ms 4432 KB Output is correct
35 Correct 2 ms 4432 KB Output is correct
36 Correct 2 ms 4432 KB Output is correct
37 Correct 2 ms 4432 KB Output is correct
38 Correct 2 ms 4432 KB Output is correct
39 Correct 3 ms 4432 KB Output is correct
40 Correct 2 ms 4444 KB Output is correct
41 Correct 2 ms 4432 KB Output is correct
42 Correct 2 ms 4432 KB Output is correct
43 Correct 2 ms 4432 KB Output is correct
44 Correct 2 ms 4432 KB Output is correct
45 Correct 2 ms 4600 KB Output is correct
46 Correct 2 ms 4432 KB Output is correct
47 Correct 2 ms 4604 KB Output is correct
48 Correct 2 ms 4432 KB Output is correct
49 Correct 2 ms 4432 KB Output is correct
50 Correct 2 ms 4432 KB Output is correct
51 Correct 3 ms 4432 KB Output is correct
52 Correct 125 ms 19784 KB Output is correct
53 Correct 135 ms 19784 KB Output is correct
54 Correct 124 ms 19784 KB Output is correct
55 Correct 123 ms 19824 KB Output is correct
56 Correct 123 ms 19784 KB Output is correct
57 Correct 118 ms 19784 KB Output is correct
58 Correct 119 ms 19924 KB Output is correct
59 Correct 135 ms 19920 KB Output is correct
60 Correct 127 ms 19928 KB Output is correct
61 Correct 124 ms 19924 KB Output is correct
62 Correct 127 ms 20040 KB Output is correct
63 Correct 145 ms 19788 KB Output is correct
64 Correct 121 ms 19928 KB Output is correct
65 Correct 119 ms 19784 KB Output is correct
66 Correct 118 ms 19784 KB Output is correct
67 Correct 118 ms 19920 KB Output is correct
68 Correct 120 ms 19928 KB Output is correct