답안 #493283

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
493283 2021-12-10T17:28:23 Z aris12345678 Art Exhibition (JOI18_art) C++14
100 / 100
226 ms 24772 KB
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll, ll> pii;
#define X first
#define Y second

const int mxN = 500005;
pii art[mxN];
ll pref[mxN];

int main() {
    int n;
    scanf("%d", &n);
    for(int i = 1; i <= n; i++)
        scanf("%lld %lld", &art[i].X, &art[i].Y);
    sort(art+1, art+n+1);
    for(int i = 1; i <= n; i++)
        pref[i] = pref[i-1]+art[i].Y;
    ll ans = art[1].Y-art[1].X, mn = pref[0]-art[1].X;
    for(int i = 2; i <= n; i++) {
        mn = min(mn, pref[i-1]-art[i].X);
        ans = max(ans, pref[i]-art[i].X-mn);
    }
    printf("%lld\n", ans);
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
art.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         scanf("%lld %lld", &art[i].X, &art[i].Y);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 216 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 284 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 216 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 284 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 2 ms 488 KB Output is correct
28 Correct 3 ms 440 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 440 KB Output is correct
31 Correct 2 ms 460 KB Output is correct
32 Correct 2 ms 460 KB Output is correct
33 Correct 2 ms 460 KB Output is correct
34 Correct 2 ms 460 KB Output is correct
35 Correct 2 ms 460 KB Output is correct
36 Correct 2 ms 552 KB Output is correct
37 Correct 2 ms 460 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 2 ms 448 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 2 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 2 ms 460 KB Output is correct
45 Correct 3 ms 460 KB Output is correct
46 Correct 2 ms 460 KB Output is correct
47 Correct 2 ms 460 KB Output is correct
48 Correct 2 ms 552 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 300 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 216 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 284 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 2 ms 488 KB Output is correct
28 Correct 3 ms 440 KB Output is correct
29 Correct 2 ms 460 KB Output is correct
30 Correct 2 ms 440 KB Output is correct
31 Correct 2 ms 460 KB Output is correct
32 Correct 2 ms 460 KB Output is correct
33 Correct 2 ms 460 KB Output is correct
34 Correct 2 ms 460 KB Output is correct
35 Correct 2 ms 460 KB Output is correct
36 Correct 2 ms 552 KB Output is correct
37 Correct 2 ms 460 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 2 ms 448 KB Output is correct
41 Correct 2 ms 460 KB Output is correct
42 Correct 2 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 2 ms 460 KB Output is correct
45 Correct 3 ms 460 KB Output is correct
46 Correct 2 ms 460 KB Output is correct
47 Correct 2 ms 460 KB Output is correct
48 Correct 2 ms 552 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct
52 Correct 192 ms 22720 KB Output is correct
53 Correct 193 ms 23016 KB Output is correct
54 Correct 191 ms 23108 KB Output is correct
55 Correct 199 ms 22932 KB Output is correct
56 Correct 223 ms 22980 KB Output is correct
57 Correct 179 ms 22948 KB Output is correct
58 Correct 190 ms 22944 KB Output is correct
59 Correct 177 ms 24700 KB Output is correct
60 Correct 172 ms 24588 KB Output is correct
61 Correct 194 ms 24512 KB Output is correct
62 Correct 186 ms 24536 KB Output is correct
63 Correct 183 ms 24644 KB Output is correct
64 Correct 189 ms 24644 KB Output is correct
65 Correct 226 ms 24668 KB Output is correct
66 Correct 178 ms 24584 KB Output is correct
67 Correct 186 ms 24632 KB Output is correct
68 Correct 189 ms 24772 KB Output is correct