Submission #268871

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
268871	2020-08-17T04:04:44 Z	leductoan	Art Exhibition (JOI18_art)	C++14	100 / 100	224 ms	12792 KB

#include<bits/stdc++.h>
using namespace std;
#define task "art"
#define BIT(x, i) (((x) >> (i)) & 1)
#define lb lower_bound
#define ub upper_bound
#define alll(v) (v).begin(),(v).end()
#define szz(v) (v).size()
#define fi first
#define se second
#define pb push_back
#define FOR(i,a,b) for (ll i = (a), _b = (b); i <= _b; ++i)
#define FORD(i,b,a) for (ll i = (b), _a = (a); i >= _a; --i)
typedef long double ld;
typedef long long ll;
typedef pair<ll,ll> pii;

const ll MOD=1000000007; /// 998244353
const ll base=311; /// for hash actually
const ll N=5e5+5;

ll n,b[N];
pii a[N];
void solved()
{
    cin>>n;
    FOR(i,1,n) cin>>a[i].fi>>a[i].se;
    sort(a+1,a+n+1);
    ll s=a[1].se,ans=0;
    FOR(i,2,n)
    {
//        cout<<s<<endl;
        s=max(s+a[i].se-(a[i].fi-a[i-1].fi),a[i].se);
        ans=max(ans,s);
    }
    cout<<ans;
}
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);
    if(fopen(task".inp","r"))
    {
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    solved();
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:43:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   43 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
art.cpp:44:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   44 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	4 ms	512 KB	Output is correct
28	Correct	2 ms	512 KB	Output is correct
29	Correct	3 ms	512 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	2 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	3 ms	512 KB	Output is correct
35	Correct	2 ms	512 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	512 KB	Output is correct
38	Correct	2 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	2 ms	512 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	512 KB	Output is correct
43	Correct	2 ms	512 KB	Output is correct
44	Correct	3 ms	512 KB	Output is correct
45	Correct	2 ms	512 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	768 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	2 ms	512 KB	Output is correct
50	Correct	2 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	0 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	384 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	384 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	4 ms	512 KB	Output is correct
28	Correct	2 ms	512 KB	Output is correct
29	Correct	3 ms	512 KB	Output is correct
30	Correct	3 ms	512 KB	Output is correct
31	Correct	2 ms	512 KB	Output is correct
32	Correct	3 ms	512 KB	Output is correct
33	Correct	3 ms	512 KB	Output is correct
34	Correct	3 ms	512 KB	Output is correct
35	Correct	2 ms	512 KB	Output is correct
36	Correct	2 ms	512 KB	Output is correct
37	Correct	2 ms	512 KB	Output is correct
38	Correct	2 ms	512 KB	Output is correct
39	Correct	2 ms	512 KB	Output is correct
40	Correct	2 ms	512 KB	Output is correct
41	Correct	3 ms	512 KB	Output is correct
42	Correct	3 ms	512 KB	Output is correct
43	Correct	2 ms	512 KB	Output is correct
44	Correct	3 ms	512 KB	Output is correct
45	Correct	2 ms	512 KB	Output is correct
46	Correct	3 ms	512 KB	Output is correct
47	Correct	3 ms	768 KB	Output is correct
48	Correct	3 ms	512 KB	Output is correct
49	Correct	2 ms	512 KB	Output is correct
50	Correct	2 ms	512 KB	Output is correct
51	Correct	3 ms	512 KB	Output is correct
52	Correct	190 ms	10616 KB	Output is correct
53	Correct	192 ms	12536 KB	Output is correct
54	Correct	194 ms	12536 KB	Output is correct
55	Correct	191 ms	12536 KB	Output is correct
56	Correct	194 ms	12536 KB	Output is correct
57	Correct	198 ms	12548 KB	Output is correct
58	Correct	193 ms	12536 KB	Output is correct
59	Correct	199 ms	12536 KB	Output is correct
60	Correct	195 ms	12536 KB	Output is correct
61	Correct	195 ms	12664 KB	Output is correct
62	Correct	196 ms	12792 KB	Output is correct
63	Correct	224 ms	12584 KB	Output is correct
64	Correct	197 ms	12540 KB	Output is correct
65	Correct	219 ms	12664 KB	Output is correct
66	Correct	193 ms	12536 KB	Output is correct
67	Correct	201 ms	12664 KB	Output is correct
68	Correct	195 ms	12664 KB	Output is correct

Submission #268871

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0