Submission #895339

# Submission time Handle Problem Language Result Execution time Memory
895339 2023-12-29T19:06:43 Z Isam Art Exhibition (JOI18_art) C++17
100 / 100
158 ms 29012 KB
#include<bits/stdc++.h>
using ll = long long;
using namespace std;
constexpr int sz = 500005;
pair<ll, ll> A[sz];
ll pref[sz], cost[sz];

signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	int N;
	cin >> N;
	for(register int i(1); i <= N; ++i) cin >> A[i].first >> A[i].second;
	sort(A+1, A+N+1);
	for(register int i(1); i <= N; ++i) pref[i] = pref[i-1] + A[i].second;
	cost[N] = pref[N] - A[N].first;
	for(register int i(N - 1); i >= 1; --i) cost[i] = max(cost[i+1], pref[i] - A[i].first);
	long long ans{-10000000000};
	for(register int i(1); i <= N; ++i) ans = max(ans, cost[i] - (pref[i-1] - A[i].first));
	cout << ans << '\n';
	return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:12:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |  for(register int i(1); i <= N; ++i) cin >> A[i].first >> A[i].second;
      |                   ^
art.cpp:14:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   14 |  for(register int i(1); i <= N; ++i) pref[i] = pref[i-1] + A[i].second;
      |                   ^
art.cpp:16:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   16 |  for(register int i(N - 1); i >= 1; --i) cost[i] = max(cost[i+1], pref[i] - A[i].first);
      |                   ^
art.cpp:18:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   18 |  for(register int i(1); i <= N; ++i) ans = max(ans, cost[i] - (pref[i-1] - A[i].first));
      |                   ^
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2512 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2512 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2512 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2632 KB Output is correct
31 Correct 2 ms 2640 KB Output is correct
32 Correct 2 ms 2648 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 2 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2632 KB Output is correct
37 Correct 2 ms 2528 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 2 ms 2628 KB Output is correct
40 Correct 2 ms 2652 KB Output is correct
41 Correct 2 ms 2652 KB Output is correct
42 Correct 2 ms 2652 KB Output is correct
43 Correct 2 ms 2664 KB Output is correct
44 Correct 2 ms 2652 KB Output is correct
45 Correct 2 ms 2664 KB Output is correct
46 Correct 2 ms 2524 KB Output is correct
47 Correct 2 ms 2656 KB Output is correct
48 Correct 2 ms 2656 KB Output is correct
49 Correct 2 ms 2656 KB Output is correct
50 Correct 2 ms 2664 KB Output is correct
51 Correct 2 ms 2528 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2512 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2392 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 1 ms 2396 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 2 ms 2652 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2652 KB Output is correct
30 Correct 2 ms 2632 KB Output is correct
31 Correct 2 ms 2640 KB Output is correct
32 Correct 2 ms 2648 KB Output is correct
33 Correct 2 ms 2652 KB Output is correct
34 Correct 2 ms 2652 KB Output is correct
35 Correct 2 ms 2652 KB Output is correct
36 Correct 2 ms 2632 KB Output is correct
37 Correct 2 ms 2528 KB Output is correct
38 Correct 2 ms 2652 KB Output is correct
39 Correct 2 ms 2628 KB Output is correct
40 Correct 2 ms 2652 KB Output is correct
41 Correct 2 ms 2652 KB Output is correct
42 Correct 2 ms 2652 KB Output is correct
43 Correct 2 ms 2664 KB Output is correct
44 Correct 2 ms 2652 KB Output is correct
45 Correct 2 ms 2664 KB Output is correct
46 Correct 2 ms 2524 KB Output is correct
47 Correct 2 ms 2656 KB Output is correct
48 Correct 2 ms 2656 KB Output is correct
49 Correct 2 ms 2656 KB Output is correct
50 Correct 2 ms 2664 KB Output is correct
51 Correct 2 ms 2528 KB Output is correct
52 Correct 129 ms 28480 KB Output is correct
53 Correct 128 ms 28728 KB Output is correct
54 Correct 135 ms 28748 KB Output is correct
55 Correct 138 ms 28600 KB Output is correct
56 Correct 127 ms 28540 KB Output is correct
57 Correct 128 ms 28496 KB Output is correct
58 Correct 132 ms 28848 KB Output is correct
59 Correct 130 ms 28536 KB Output is correct
60 Correct 127 ms 28540 KB Output is correct
61 Correct 131 ms 28500 KB Output is correct
62 Correct 127 ms 28548 KB Output is correct
63 Correct 126 ms 28500 KB Output is correct
64 Correct 128 ms 28600 KB Output is correct
65 Correct 135 ms 29012 KB Output is correct
66 Correct 158 ms 28540 KB Output is correct
67 Correct 128 ms 28496 KB Output is correct
68 Correct 130 ms 28872 KB Output is correct