#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstdio>
#include <iomanip>
#include <fstream>
#include <cassert>
#include <cstring>
#include <numeric>
#include <ctime>
#include <complex>
#include <bitset>
#include <random>
#include <climits>
#include <stack>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,popcnt,abm,mmx,avx,avx2,tune=native")
using namespace std;
typedef long long ll;
typedef long double ld;
#define int ll
#define double ld
#define loop(i, n) for(int i = 0; i < (int)n; ++i)
#define loop1(i, n) for(int i = 1; i <= (int)n; ++i)
#define F first
#define S second
#define pb push_back
#define pi pair <int, int>
#define all(x) begin(x), end(x)
#define ti tuple <int, int, int>
#define Point Vect
#define no {cout << -1; return;}
#define yes {cout << "Yes"; return;}
#define mkp make_pair
#define mkt make_tuple
#define cerr if(0) cerr
const int N = 5e5 + 7;
pi t[4 * N];
void change(int v, int l, int r, int pos, int val) {
if (l == r) {
t[v] = { val, val };
return;
}
int m = l + r >> 1;
if (m >= pos)
change(2 * v + 1, l, m, pos, val);
else
change(2 * v + 2, m + 1, r, pos, val);
t[v] = { t[2 * v + 1].F + t[2 * v + 2].F, max(t[2 * v + 1].S, t[2 * v + 1].F + t[2 * v + 2].S) };
}
void solve() {
int n; cin >> n;
vector <pi> p(n);
loop(i, n)
cin >> p[i].F >> p[i].S;
sort(all(p));
change(0, 0, n - 1, 0, p[0].S);
loop1(i, n - 1)
change(0, 0, n - 1, i, p[i].S - (p[i].F - p[i - 1].F));
int ans = p.back().S;
loop(i, n - 1) {
ans = max(ans, t[0].S);
change(0, 0, n - 1, i, 0);
change(0, 0, n - 1, i + 1, p[i + 1].S);
}
cout << ans;
}
signed main() {
//freopen("b2.txt", "r", stdin);
//freopen("ans9.txt", "w", stdout);
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
//int t; cin >> t; loop(i, t)
solve();
return 0;
}
Compilation message
art.cpp: In function 'void change(ll, ll, ll, ll, ll)':
art.cpp:61:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
61 | int m = l + r >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
4 ms |
748 KB |
Output is correct |
28 |
Correct |
4 ms |
748 KB |
Output is correct |
29 |
Correct |
4 ms |
748 KB |
Output is correct |
30 |
Correct |
4 ms |
748 KB |
Output is correct |
31 |
Correct |
4 ms |
748 KB |
Output is correct |
32 |
Correct |
4 ms |
748 KB |
Output is correct |
33 |
Correct |
4 ms |
764 KB |
Output is correct |
34 |
Correct |
4 ms |
748 KB |
Output is correct |
35 |
Correct |
5 ms |
748 KB |
Output is correct |
36 |
Correct |
4 ms |
748 KB |
Output is correct |
37 |
Correct |
4 ms |
748 KB |
Output is correct |
38 |
Correct |
4 ms |
748 KB |
Output is correct |
39 |
Correct |
4 ms |
748 KB |
Output is correct |
40 |
Correct |
4 ms |
748 KB |
Output is correct |
41 |
Correct |
4 ms |
748 KB |
Output is correct |
42 |
Correct |
4 ms |
748 KB |
Output is correct |
43 |
Correct |
5 ms |
748 KB |
Output is correct |
44 |
Correct |
4 ms |
748 KB |
Output is correct |
45 |
Correct |
4 ms |
748 KB |
Output is correct |
46 |
Correct |
4 ms |
748 KB |
Output is correct |
47 |
Correct |
4 ms |
748 KB |
Output is correct |
48 |
Correct |
5 ms |
748 KB |
Output is correct |
49 |
Correct |
4 ms |
748 KB |
Output is correct |
50 |
Correct |
4 ms |
748 KB |
Output is correct |
51 |
Correct |
4 ms |
748 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
0 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
4 ms |
748 KB |
Output is correct |
28 |
Correct |
4 ms |
748 KB |
Output is correct |
29 |
Correct |
4 ms |
748 KB |
Output is correct |
30 |
Correct |
4 ms |
748 KB |
Output is correct |
31 |
Correct |
4 ms |
748 KB |
Output is correct |
32 |
Correct |
4 ms |
748 KB |
Output is correct |
33 |
Correct |
4 ms |
764 KB |
Output is correct |
34 |
Correct |
4 ms |
748 KB |
Output is correct |
35 |
Correct |
5 ms |
748 KB |
Output is correct |
36 |
Correct |
4 ms |
748 KB |
Output is correct |
37 |
Correct |
4 ms |
748 KB |
Output is correct |
38 |
Correct |
4 ms |
748 KB |
Output is correct |
39 |
Correct |
4 ms |
748 KB |
Output is correct |
40 |
Correct |
4 ms |
748 KB |
Output is correct |
41 |
Correct |
4 ms |
748 KB |
Output is correct |
42 |
Correct |
4 ms |
748 KB |
Output is correct |
43 |
Correct |
5 ms |
748 KB |
Output is correct |
44 |
Correct |
4 ms |
748 KB |
Output is correct |
45 |
Correct |
4 ms |
748 KB |
Output is correct |
46 |
Correct |
4 ms |
748 KB |
Output is correct |
47 |
Correct |
4 ms |
748 KB |
Output is correct |
48 |
Correct |
5 ms |
748 KB |
Output is correct |
49 |
Correct |
4 ms |
748 KB |
Output is correct |
50 |
Correct |
4 ms |
748 KB |
Output is correct |
51 |
Correct |
4 ms |
748 KB |
Output is correct |
52 |
Correct |
447 ms |
37228 KB |
Output is correct |
53 |
Correct |
458 ms |
37228 KB |
Output is correct |
54 |
Correct |
452 ms |
37228 KB |
Output is correct |
55 |
Correct |
474 ms |
37336 KB |
Output is correct |
56 |
Correct |
452 ms |
37356 KB |
Output is correct |
57 |
Correct |
467 ms |
37288 KB |
Output is correct |
58 |
Correct |
456 ms |
37356 KB |
Output is correct |
59 |
Correct |
454 ms |
37228 KB |
Output is correct |
60 |
Correct |
460 ms |
37356 KB |
Output is correct |
61 |
Correct |
480 ms |
37228 KB |
Output is correct |
62 |
Correct |
473 ms |
37356 KB |
Output is correct |
63 |
Correct |
468 ms |
37228 KB |
Output is correct |
64 |
Correct |
472 ms |
37228 KB |
Output is correct |
65 |
Correct |
471 ms |
37484 KB |
Output is correct |
66 |
Correct |
461 ms |
37228 KB |
Output is correct |
67 |
Correct |
462 ms |
37356 KB |
Output is correct |
68 |
Correct |
466 ms |
37288 KB |
Output is correct |