Submission #57086

# Submission time Handle Problem Language Result Execution time Memory
57086 2018-07-13T21:57:55 Z Benq Art Exhibition (JOI18_art) C++14
100 / 100
398 ms 224148 KB
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

template <class T> using Tree = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define FOR(i, a, b) for (int i=a; i<(b); i++)
#define F0R(i, a) for (int i=0; i<(a); i++)
#define FORd(i,a,b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i,a) for (int i = (a)-1; i >= 0; i--)

#define sz(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()

const int MOD = 1000000007;
const ll INF = 1e18;
const int MX = 100001;

int n;
pl v[500005];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n;
    F0R(i,n) cin >> v[i+1].f >> v[i+1].s;
    sort(v+1,v+n+1);
    FOR(i,1,n+1) v[i].s += v[i-1].s;
    ll mx = -INF, ans = 0;
    FORd(i,1,n+1) {
        mx = max(mx,v[i].s-v[i].f);
        ans = max(ans,mx-v[i-1].s+v[i].f);
    }
    cout << ans;
}

/* Look for:
* the exact constraints (multiple sets are too slow for n=10^6 :( ) 
* special cases (n=1?)
* overflow (ll vs int?)
* array bounds
*/
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 712 KB Output is correct
5 Correct 3 ms 712 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 2 ms 740 KB Output is correct
8 Correct 4 ms 744 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 3 ms 880 KB Output is correct
11 Correct 2 ms 880 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 712 KB Output is correct
5 Correct 3 ms 712 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 2 ms 740 KB Output is correct
8 Correct 4 ms 744 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 3 ms 880 KB Output is correct
11 Correct 2 ms 880 KB Output is correct
12 Correct 2 ms 880 KB Output is correct
13 Correct 3 ms 880 KB Output is correct
14 Correct 2 ms 880 KB Output is correct
15 Correct 2 ms 880 KB Output is correct
16 Correct 2 ms 880 KB Output is correct
17 Correct 2 ms 880 KB Output is correct
18 Correct 3 ms 880 KB Output is correct
19 Correct 2 ms 1024 KB Output is correct
20 Correct 3 ms 1024 KB Output is correct
21 Correct 4 ms 1024 KB Output is correct
22 Correct 2 ms 1024 KB Output is correct
23 Correct 2 ms 1024 KB Output is correct
24 Correct 2 ms 1024 KB Output is correct
25 Correct 2 ms 1024 KB Output is correct
26 Correct 2 ms 1024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 712 KB Output is correct
5 Correct 3 ms 712 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 2 ms 740 KB Output is correct
8 Correct 4 ms 744 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 3 ms 880 KB Output is correct
11 Correct 2 ms 880 KB Output is correct
12 Correct 2 ms 880 KB Output is correct
13 Correct 3 ms 880 KB Output is correct
14 Correct 2 ms 880 KB Output is correct
15 Correct 2 ms 880 KB Output is correct
16 Correct 2 ms 880 KB Output is correct
17 Correct 2 ms 880 KB Output is correct
18 Correct 3 ms 880 KB Output is correct
19 Correct 2 ms 1024 KB Output is correct
20 Correct 3 ms 1024 KB Output is correct
21 Correct 4 ms 1024 KB Output is correct
22 Correct 2 ms 1024 KB Output is correct
23 Correct 2 ms 1024 KB Output is correct
24 Correct 2 ms 1024 KB Output is correct
25 Correct 2 ms 1024 KB Output is correct
26 Correct 2 ms 1024 KB Output is correct
27 Correct 5 ms 1092 KB Output is correct
28 Correct 6 ms 1268 KB Output is correct
29 Correct 6 ms 1348 KB Output is correct
30 Correct 5 ms 1520 KB Output is correct
31 Correct 6 ms 1628 KB Output is correct
32 Correct 6 ms 1732 KB Output is correct
33 Correct 5 ms 1860 KB Output is correct
34 Correct 6 ms 2012 KB Output is correct
35 Correct 7 ms 2116 KB Output is correct
36 Correct 6 ms 2276 KB Output is correct
37 Correct 6 ms 2372 KB Output is correct
38 Correct 4 ms 2500 KB Output is correct
39 Correct 4 ms 2628 KB Output is correct
40 Correct 4 ms 2756 KB Output is correct
41 Correct 4 ms 2884 KB Output is correct
42 Correct 5 ms 3008 KB Output is correct
43 Correct 5 ms 3136 KB Output is correct
44 Correct 5 ms 3264 KB Output is correct
45 Correct 7 ms 3392 KB Output is correct
46 Correct 5 ms 3520 KB Output is correct
47 Correct 7 ms 3648 KB Output is correct
48 Correct 6 ms 3776 KB Output is correct
49 Correct 5 ms 3904 KB Output is correct
50 Correct 6 ms 4032 KB Output is correct
51 Correct 4 ms 4160 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 476 KB Output is correct
4 Correct 2 ms 712 KB Output is correct
5 Correct 3 ms 712 KB Output is correct
6 Correct 2 ms 736 KB Output is correct
7 Correct 2 ms 740 KB Output is correct
8 Correct 4 ms 744 KB Output is correct
9 Correct 2 ms 748 KB Output is correct
10 Correct 3 ms 880 KB Output is correct
11 Correct 2 ms 880 KB Output is correct
12 Correct 2 ms 880 KB Output is correct
13 Correct 3 ms 880 KB Output is correct
14 Correct 2 ms 880 KB Output is correct
15 Correct 2 ms 880 KB Output is correct
16 Correct 2 ms 880 KB Output is correct
17 Correct 2 ms 880 KB Output is correct
18 Correct 3 ms 880 KB Output is correct
19 Correct 2 ms 1024 KB Output is correct
20 Correct 3 ms 1024 KB Output is correct
21 Correct 4 ms 1024 KB Output is correct
22 Correct 2 ms 1024 KB Output is correct
23 Correct 2 ms 1024 KB Output is correct
24 Correct 2 ms 1024 KB Output is correct
25 Correct 2 ms 1024 KB Output is correct
26 Correct 2 ms 1024 KB Output is correct
27 Correct 5 ms 1092 KB Output is correct
28 Correct 6 ms 1268 KB Output is correct
29 Correct 6 ms 1348 KB Output is correct
30 Correct 5 ms 1520 KB Output is correct
31 Correct 6 ms 1628 KB Output is correct
32 Correct 6 ms 1732 KB Output is correct
33 Correct 5 ms 1860 KB Output is correct
34 Correct 6 ms 2012 KB Output is correct
35 Correct 7 ms 2116 KB Output is correct
36 Correct 6 ms 2276 KB Output is correct
37 Correct 6 ms 2372 KB Output is correct
38 Correct 4 ms 2500 KB Output is correct
39 Correct 4 ms 2628 KB Output is correct
40 Correct 4 ms 2756 KB Output is correct
41 Correct 4 ms 2884 KB Output is correct
42 Correct 5 ms 3008 KB Output is correct
43 Correct 5 ms 3136 KB Output is correct
44 Correct 5 ms 3264 KB Output is correct
45 Correct 7 ms 3392 KB Output is correct
46 Correct 5 ms 3520 KB Output is correct
47 Correct 7 ms 3648 KB Output is correct
48 Correct 6 ms 3776 KB Output is correct
49 Correct 5 ms 3904 KB Output is correct
50 Correct 6 ms 4032 KB Output is correct
51 Correct 4 ms 4160 KB Output is correct
52 Correct 246 ms 24552 KB Output is correct
53 Correct 269 ms 37396 KB Output is correct
54 Correct 242 ms 49920 KB Output is correct
55 Correct 278 ms 62560 KB Output is correct
56 Correct 398 ms 75396 KB Output is correct
57 Correct 287 ms 87948 KB Output is correct
58 Correct 293 ms 100644 KB Output is correct
59 Correct 287 ms 113236 KB Output is correct
60 Correct 299 ms 125976 KB Output is correct
61 Correct 240 ms 138608 KB Output is correct
62 Correct 243 ms 151244 KB Output is correct
63 Correct 269 ms 163856 KB Output is correct
64 Correct 305 ms 176508 KB Output is correct
65 Correct 239 ms 188816 KB Output is correct
66 Correct 249 ms 200840 KB Output is correct
67 Correct 247 ms 212756 KB Output is correct
68 Correct 272 ms 224148 KB Output is correct