Submission #414691

# Submission time Handle Problem Language Result Execution time Memory
414691 2021-05-31T04:06:25 Z hibye1217 Art Exhibition (JOI18_art) C++17
100 / 100
253 ms 32576 KB
#include <bits/stdc++.h>
#define endl '\n'
#define fr first
#define sc second
#define all(v) v.begin(),v.end()
#define unq(v) sort( all(v) ); v.erase( unique( all(v) ), v.end() )
#define bout(x) cout << bitset<sizeof(x)*8>(x) << endl
#define mkp(a,b) make_pair(a,b)
#define gcd(a,b) __gcd(a,b)
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cpl = complex<ld>;
const ld pi = 3.14159265358979323846264338327950288;
const ld tau = 2 * pi;
const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0};
const int ddx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, ddy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};
const int nx[8] = {1, 2, 2, 1, -1, -2, -2, -1}, ny[8] = {-2, -1, 1, 2, 2, 1, -1, -2};

//#define DEBUG

pll arr[500020];
ll prf[500020];
ll res[500020];
ll mx[500020];

void Main(){
	int n; cin >> n;
	for (int i = 1; i <= n; i++){
		cin >> arr[i].fr >> arr[i].sc;
	}
	sort(arr+1, arr+n+1, [](pll a, pll b){
		return a.fr < b.fr;
	});
	for (int i = 1; i <= n; i++){ prf[i] = prf[i-1] + arr[i].sc; }
	for (int i = 1; i <= n; i++){ res[i] = prf[i] - arr[i].fr; }
	mx[n] = res[n];
	for (int i = n-1; i >= 1; i--){ mx[i] = max(mx[i+1], res[i]); }
	ll ans = 0;
	for (int i = 1; i <= n; i++){
		ans = max(ans, mx[i] - res[i] + arr[i].sc);
	}
	cout << ans;
}

int main(){
#ifndef DEBUG
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
#endif
	cout.setf(ios::fixed);
	cout.precision(0);
	Main();
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 448 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 448 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 3 ms 460 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 3 ms 460 KB Output is correct
30 Correct 3 ms 460 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 4 ms 460 KB Output is correct
33 Correct 3 ms 460 KB Output is correct
34 Correct 3 ms 460 KB Output is correct
35 Correct 3 ms 460 KB Output is correct
36 Correct 3 ms 460 KB Output is correct
37 Correct 3 ms 460 KB Output is correct
38 Correct 3 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 3 ms 460 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 3 ms 460 KB Output is correct
45 Correct 3 ms 460 KB Output is correct
46 Correct 3 ms 460 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 3 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 5 ms 460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 448 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 3 ms 460 KB Output is correct
28 Correct 3 ms 460 KB Output is correct
29 Correct 3 ms 460 KB Output is correct
30 Correct 3 ms 460 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 4 ms 460 KB Output is correct
33 Correct 3 ms 460 KB Output is correct
34 Correct 3 ms 460 KB Output is correct
35 Correct 3 ms 460 KB Output is correct
36 Correct 3 ms 460 KB Output is correct
37 Correct 3 ms 460 KB Output is correct
38 Correct 3 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 3 ms 460 KB Output is correct
42 Correct 3 ms 460 KB Output is correct
43 Correct 3 ms 460 KB Output is correct
44 Correct 3 ms 460 KB Output is correct
45 Correct 3 ms 460 KB Output is correct
46 Correct 3 ms 460 KB Output is correct
47 Correct 3 ms 460 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 3 ms 460 KB Output is correct
50 Correct 3 ms 460 KB Output is correct
51 Correct 5 ms 460 KB Output is correct
52 Correct 227 ms 32016 KB Output is correct
53 Correct 224 ms 32464 KB Output is correct
54 Correct 248 ms 32476 KB Output is correct
55 Correct 220 ms 32420 KB Output is correct
56 Correct 230 ms 32420 KB Output is correct
57 Correct 253 ms 32420 KB Output is correct
58 Correct 217 ms 32456 KB Output is correct
59 Correct 222 ms 32496 KB Output is correct
60 Correct 215 ms 32576 KB Output is correct
61 Correct 214 ms 32268 KB Output is correct
62 Correct 241 ms 32544 KB Output is correct
63 Correct 213 ms 32472 KB Output is correct
64 Correct 218 ms 32468 KB Output is correct
65 Correct 215 ms 32440 KB Output is correct
66 Correct 227 ms 32476 KB Output is correct
67 Correct 238 ms 32512 KB Output is correct
68 Correct 214 ms 32420 KB Output is correct