oj.uz

Submission #66733

# Submission time Handle Problem Language Result Execution time Memory
66733 2018-08-12T07:57:51 Z MrTEK Art Exhibition (JOI18_art) C++14
100 / 100
 338 ms 12424 KB 
#include <bits/stdc++.h>

using namespace std;
#define mp make_pair
#define pb push_back
#define len(a) (int)a.size()
#define fi first
#define sc second
#define d1(w) cerr<<#w<<":"<<w<<endl;
#define d2(w,c) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<endl;
#define d3(w,c,z) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<" "<<#z<<":"<<z<<endl;
#define left ind+ind
#define right ind+ind+1
#define mid (l+r)/2
#define FAST_IO ios_base::sync_with_stdio(false);
#define endl '\n'

typedef long long int ll;

const int maxn = 620;
const long long LINF = 1e18;
const int LOG = 31;
const int INF = 1e9;
const int N = 5e5 + 5;
const int M = 1e4 + 5;
const int SQ = 350;
const int MOD = 998244353;

typedef pair <int,int> pii;

pair <ll ,ll> ar[N];
ll pre[N],ans;
int n,opt = 1;

int main() {
	scanf("%d",&n);
	for (int i = 1 ; i <= n ; i++) scanf("%lld %lld",&ar[i].fi,&ar[i].sc);
	sort(ar + 1,ar + n + 1);
	for (int i = 1 ; i <= n ; i++) pre[i] = pre[i - 1] + ar[i].sc;
	ans = ar[1].sc;
	for (int i = 2 ; i <= n ; i++) {
		if (ar[i].fi > ar[opt].fi + pre[i - 1] - pre[opt - 1]) opt = i;
		ans = max(ans,-ar[i].fi + ar[opt].fi + pre[i] - pre[opt - 1]);
	}
	printf("%lld\n",ans);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
art.cpp:37:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i = 1 ; i <= n ; i++) scanf("%lld %lld",&ar[i].fi,&ar[i].sc);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 412 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 488 KB Output is correct
7 Correct 3 ms 536 KB Output is correct
8 Correct 2 ms 564 KB Output is correct
9 Correct 2 ms 564 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 412 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 488 KB Output is correct
7 Correct 3 ms 536 KB Output is correct
8 Correct 2 ms 564 KB Output is correct
9 Correct 2 ms 564 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 3 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 620 KB Output is correct
25 Correct 3 ms 620 KB Output is correct
26 Correct 2 ms 740 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 412 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 488 KB Output is correct
7 Correct 3 ms 536 KB Output is correct
8 Correct 2 ms 564 KB Output is correct
9 Correct 2 ms 564 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 3 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 620 KB Output is correct
25 Correct 3 ms 620 KB Output is correct
26 Correct 2 ms 740 KB Output is correct
27 Correct 5 ms 740 KB Output is correct
28 Correct 5 ms 740 KB Output is correct
29 Correct 5 ms 740 KB Output is correct
30 Correct 6 ms 740 KB Output is correct
31 Correct 5 ms 740 KB Output is correct
32 Correct 6 ms 740 KB Output is correct
33 Correct 4 ms 740 KB Output is correct
34 Correct 4 ms 740 KB Output is correct
35 Correct 6 ms 740 KB Output is correct
36 Correct 5 ms 740 KB Output is correct
37 Correct 6 ms 740 KB Output is correct
38 Correct 5 ms 740 KB Output is correct
39 Correct 5 ms 740 KB Output is correct
40 Correct 5 ms 740 KB Output is correct
41 Correct 5 ms 740 KB Output is correct
42 Correct 6 ms 740 KB Output is correct
43 Correct 6 ms 740 KB Output is correct
44 Correct 6 ms 772 KB Output is correct
45 Correct 6 ms 772 KB Output is correct
46 Correct 5 ms 772 KB Output is correct
47 Correct 6 ms 772 KB Output is correct
48 Correct 5 ms 772 KB Output is correct
49 Correct 5 ms 772 KB Output is correct
50 Correct 6 ms 772 KB Output is correct
51 Correct 7 ms 772 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 412 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 3 ms 412 KB Output is correct
6 Correct 3 ms 488 KB Output is correct
7 Correct 3 ms 536 KB Output is correct
8 Correct 2 ms 564 KB Output is correct
9 Correct 2 ms 564 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 2 ms 596 KB Output is correct
13 Correct 3 ms 596 KB Output is correct
14 Correct 3 ms 596 KB Output is correct
15 Correct 3 ms 596 KB Output is correct
16 Correct 3 ms 596 KB Output is correct
17 Correct 3 ms 596 KB Output is correct
18 Correct 3 ms 620 KB Output is correct
19 Correct 3 ms 620 KB Output is correct
20 Correct 2 ms 620 KB Output is correct
21 Correct 2 ms 620 KB Output is correct
22 Correct 2 ms 620 KB Output is correct
23 Correct 2 ms 620 KB Output is correct
24 Correct 3 ms 620 KB Output is correct
25 Correct 3 ms 620 KB Output is correct
26 Correct 2 ms 740 KB Output is correct
27 Correct 5 ms 740 KB Output is correct
28 Correct 5 ms 740 KB Output is correct
29 Correct 5 ms 740 KB Output is correct
30 Correct 6 ms 740 KB Output is correct
31 Correct 5 ms 740 KB Output is correct
32 Correct 6 ms 740 KB Output is correct
33 Correct 4 ms 740 KB Output is correct
34 Correct 4 ms 740 KB Output is correct
35 Correct 6 ms 740 KB Output is correct
36 Correct 5 ms 740 KB Output is correct
37 Correct 6 ms 740 KB Output is correct
38 Correct 5 ms 740 KB Output is correct
39 Correct 5 ms 740 KB Output is correct
40 Correct 5 ms 740 KB Output is correct
41 Correct 5 ms 740 KB Output is correct
42 Correct 6 ms 740 KB Output is correct
43 Correct 6 ms 740 KB Output is correct
44 Correct 6 ms 772 KB Output is correct
45 Correct 6 ms 772 KB Output is correct
46 Correct 5 ms 772 KB Output is correct
47 Correct 6 ms 772 KB Output is correct
48 Correct 5 ms 772 KB Output is correct
49 Correct 5 ms 772 KB Output is correct
50 Correct 6 ms 772 KB Output is correct
51 Correct 7 ms 772 KB Output is correct
52 Correct 279 ms 12352 KB Output is correct
53 Correct 317 ms 12412 KB Output is correct
54 Correct 338 ms 12412 KB Output is correct
55 Correct 305 ms 12412 KB Output is correct
56 Correct 284 ms 12412 KB Output is correct
57 Correct 274 ms 12412 KB Output is correct
58 Correct 324 ms 12412 KB Output is correct
59 Correct 302 ms 12412 KB Output is correct
60 Correct 300 ms 12412 KB Output is correct
61 Correct 334 ms 12412 KB Output is correct
62 Correct 315 ms 12424 KB Output is correct
63 Correct 297 ms 12424 KB Output is correct
64 Correct 288 ms 12424 KB Output is correct
65 Correct 275 ms 12424 KB Output is correct
66 Correct 281 ms 12424 KB Output is correct
67 Correct 314 ms 12424 KB Output is correct
68 Correct 288 ms 12424 KB Output is correct