답안 #62225

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
62225 2018-07-27T22:21:56 Z kingpig9 Art Exhibition (JOI18_art) C++11
100 / 100
348 ms 115196 KB
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
const int MAXN = 500010;

#define debug(...) fprintf(stderr, __VA_ARGS__)
#define fi first
#define se second
#define all(v) (v).begin(), (v).end()
#define fillchar(a, s) memset((a), (s), sizeof(a))

void setmax (ll &a, ll b) {
	if (a < b) {
		a = b;
	}
}

int N;
pll P[MAXN];
ll V[MAXN];

int main() {
	scanf("%d", &N);
	for (int i = 1; i <= N; i++) {
		scanf("%lld %lld", &P[i].fi, &P[i].se);
	}
	sort(P + 1, P + N + 1);

	for (int i = N; i >= 1; i--) {
		P[i].fi -= P[i - 1].fi;
	}

	for (int i = 1; i <= N; i++) {
		V[i] = V[i - 1] - P[i].fi + P[i].se;
	}

	ll ans = LLONG_MIN;
	ll suffmx = LLONG_MIN;
	for (int i = N; i >= 1; i--) {
		setmax(suffmx, V[i]);
		setmax(ans, suffmx - V[i] + P[i].se);
	}
	printf("%lld\n", ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
art.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &P[i].fi, &P[i].se);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 464 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 580 KB Output is correct
5 Correct 3 ms 580 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 628 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 464 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 580 KB Output is correct
5 Correct 3 ms 580 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 628 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 3 ms 644 KB Output is correct
14 Correct 3 ms 652 KB Output is correct
15 Correct 3 ms 660 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 4 ms 676 KB Output is correct
18 Correct 2 ms 684 KB Output is correct
19 Correct 4 ms 692 KB Output is correct
20 Correct 4 ms 828 KB Output is correct
21 Correct 3 ms 828 KB Output is correct
22 Correct 3 ms 828 KB Output is correct
23 Correct 3 ms 828 KB Output is correct
24 Correct 2 ms 828 KB Output is correct
25 Correct 3 ms 828 KB Output is correct
26 Correct 2 ms 828 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 464 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 580 KB Output is correct
5 Correct 3 ms 580 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 628 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 3 ms 644 KB Output is correct
14 Correct 3 ms 652 KB Output is correct
15 Correct 3 ms 660 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 4 ms 676 KB Output is correct
18 Correct 2 ms 684 KB Output is correct
19 Correct 4 ms 692 KB Output is correct
20 Correct 4 ms 828 KB Output is correct
21 Correct 3 ms 828 KB Output is correct
22 Correct 3 ms 828 KB Output is correct
23 Correct 3 ms 828 KB Output is correct
24 Correct 2 ms 828 KB Output is correct
25 Correct 3 ms 828 KB Output is correct
26 Correct 2 ms 828 KB Output is correct
27 Correct 6 ms 900 KB Output is correct
28 Correct 7 ms 1028 KB Output is correct
29 Correct 5 ms 1156 KB Output is correct
30 Correct 6 ms 1300 KB Output is correct
31 Correct 5 ms 1424 KB Output is correct
32 Correct 5 ms 1564 KB Output is correct
33 Correct 6 ms 1668 KB Output is correct
34 Correct 6 ms 1924 KB Output is correct
35 Correct 6 ms 1928 KB Output is correct
36 Correct 6 ms 2052 KB Output is correct
37 Correct 7 ms 2180 KB Output is correct
38 Correct 7 ms 2308 KB Output is correct
39 Correct 6 ms 2448 KB Output is correct
40 Correct 9 ms 2584 KB Output is correct
41 Correct 7 ms 2692 KB Output is correct
42 Correct 8 ms 2816 KB Output is correct
43 Correct 8 ms 2944 KB Output is correct
44 Correct 6 ms 3200 KB Output is correct
45 Correct 6 ms 3200 KB Output is correct
46 Correct 7 ms 3328 KB Output is correct
47 Correct 6 ms 3464 KB Output is correct
48 Correct 5 ms 3604 KB Output is correct
49 Correct 6 ms 3712 KB Output is correct
50 Correct 6 ms 3840 KB Output is correct
51 Correct 6 ms 3968 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 464 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 580 KB Output is correct
5 Correct 3 ms 580 KB Output is correct
6 Correct 3 ms 588 KB Output is correct
7 Correct 3 ms 592 KB Output is correct
8 Correct 3 ms 608 KB Output is correct
9 Correct 3 ms 620 KB Output is correct
10 Correct 3 ms 628 KB Output is correct
11 Correct 3 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 3 ms 644 KB Output is correct
14 Correct 3 ms 652 KB Output is correct
15 Correct 3 ms 660 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 4 ms 676 KB Output is correct
18 Correct 2 ms 684 KB Output is correct
19 Correct 4 ms 692 KB Output is correct
20 Correct 4 ms 828 KB Output is correct
21 Correct 3 ms 828 KB Output is correct
22 Correct 3 ms 828 KB Output is correct
23 Correct 3 ms 828 KB Output is correct
24 Correct 2 ms 828 KB Output is correct
25 Correct 3 ms 828 KB Output is correct
26 Correct 2 ms 828 KB Output is correct
27 Correct 6 ms 900 KB Output is correct
28 Correct 7 ms 1028 KB Output is correct
29 Correct 5 ms 1156 KB Output is correct
30 Correct 6 ms 1300 KB Output is correct
31 Correct 5 ms 1424 KB Output is correct
32 Correct 5 ms 1564 KB Output is correct
33 Correct 6 ms 1668 KB Output is correct
34 Correct 6 ms 1924 KB Output is correct
35 Correct 6 ms 1928 KB Output is correct
36 Correct 6 ms 2052 KB Output is correct
37 Correct 7 ms 2180 KB Output is correct
38 Correct 7 ms 2308 KB Output is correct
39 Correct 6 ms 2448 KB Output is correct
40 Correct 9 ms 2584 KB Output is correct
41 Correct 7 ms 2692 KB Output is correct
42 Correct 8 ms 2816 KB Output is correct
43 Correct 8 ms 2944 KB Output is correct
44 Correct 6 ms 3200 KB Output is correct
45 Correct 6 ms 3200 KB Output is correct
46 Correct 7 ms 3328 KB Output is correct
47 Correct 6 ms 3464 KB Output is correct
48 Correct 5 ms 3604 KB Output is correct
49 Correct 6 ms 3712 KB Output is correct
50 Correct 6 ms 3840 KB Output is correct
51 Correct 6 ms 3968 KB Output is correct
52 Correct 343 ms 28268 KB Output is correct
53 Correct 301 ms 40916 KB Output is correct
54 Correct 295 ms 53656 KB Output is correct
55 Correct 288 ms 66384 KB Output is correct
56 Correct 282 ms 78936 KB Output is correct
57 Correct 285 ms 91452 KB Output is correct
58 Correct 348 ms 104224 KB Output is correct
59 Correct 303 ms 115028 KB Output is correct
60 Correct 298 ms 115196 KB Output is correct
61 Correct 290 ms 115196 KB Output is correct
62 Correct 320 ms 115196 KB Output is correct
63 Correct 333 ms 115196 KB Output is correct
64 Correct 289 ms 115196 KB Output is correct
65 Correct 344 ms 115196 KB Output is correct
66 Correct 324 ms 115196 KB Output is correct
67 Correct 304 ms 115196 KB Output is correct
68 Correct 306 ms 115196 KB Output is correct