#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
#include <set>
#include <map>
#include <iomanip>
#include <cassert>
#include <stack>
#include <queue>
#include <deque>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
//using namespace __gnu_pbds;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
// template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
// order_of_key (k) : Number of items strictly smaller than k .
// find_by_order(k) : K-th element in a set (counting from zero).
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define pb push_back
#define ppb pop_back
#define mkp make_pair
#define F first
#define S second
#define show(a) cerr << #a <<" -> "<< a <<"\n"
#define fo(a, b, c, d) for(int (a) = (b); (a) <= (c); (a) += (d))
#define foo(a, b, c ,d) for(int (a) = (b); (a) >= (c); (a) -= (d))
#define int ll
const int szT = (1 << 19) - 1;
const int INF = 1e9 + 5;
int n, ans;
pll a[szT];
ll t[szT * 4];
void upd(int pos, ll x) {
pos += szT;
t[pos] = x;
while((pos /= 2) >= 1) {
t[pos] = min(t[pos * 2], t[pos * 2 + 1]);
}
}
ll get(int l, int r) {
ll res = INF;
for(l += szT, r += szT; l <= r; l /= 2, r /= 2) {
if(l % 2 == 1) res = min(res, t[l++]);
if(r % 2 == 0) res = min(res, t[r--]);
if(l > r) break;
}
return res;
}
void solve() {
cin >> n;
for (int i = 1; i <= n; ++i) {
cin >> a[i].F >> a[i].S;
}
sort(a + 1, a + n + 1);
int sum = 0;
for (int i = 1; i <= n; ++i) {
sum += a[i].S;
ans = max(ans, a[i].S);
if (1 < i) ans = max(ans, sum - a[i].F - get(1, i - 1));
upd(i, (sum - a[i].S) - a[i].F);
}
cout << ans;
}
main () {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tt = 1;
while (tt --) {
solve();
}
return 0;
}
/*
If you only do what you can do,
You will never be more than you are now!
*/
Compilation message
art.cpp:78:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main () {
^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
504 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
504 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| 27 |
Correct |
8 ms |
632 KB |
Output is correct |
| 28 |
Correct |
7 ms |
632 KB |
Output is correct |
| 29 |
Correct |
7 ms |
632 KB |
Output is correct |
| 30 |
Correct |
7 ms |
632 KB |
Output is correct |
| 31 |
Correct |
8 ms |
760 KB |
Output is correct |
| 32 |
Correct |
7 ms |
636 KB |
Output is correct |
| 33 |
Correct |
8 ms |
764 KB |
Output is correct |
| 34 |
Correct |
7 ms |
632 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
8 ms |
632 KB |
Output is correct |
| 38 |
Correct |
7 ms |
636 KB |
Output is correct |
| 39 |
Correct |
7 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
632 KB |
Output is correct |
| 41 |
Correct |
7 ms |
632 KB |
Output is correct |
| 42 |
Correct |
8 ms |
632 KB |
Output is correct |
| 43 |
Correct |
7 ms |
632 KB |
Output is correct |
| 44 |
Correct |
7 ms |
760 KB |
Output is correct |
| 45 |
Correct |
7 ms |
632 KB |
Output is correct |
| 46 |
Correct |
8 ms |
632 KB |
Output is correct |
| 47 |
Correct |
7 ms |
632 KB |
Output is correct |
| 48 |
Correct |
7 ms |
632 KB |
Output is correct |
| 49 |
Correct |
7 ms |
632 KB |
Output is correct |
| 50 |
Correct |
9 ms |
760 KB |
Output is correct |
| 51 |
Correct |
7 ms |
632 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
504 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| 27 |
Correct |
8 ms |
632 KB |
Output is correct |
| 28 |
Correct |
7 ms |
632 KB |
Output is correct |
| 29 |
Correct |
7 ms |
632 KB |
Output is correct |
| 30 |
Correct |
7 ms |
632 KB |
Output is correct |
| 31 |
Correct |
8 ms |
760 KB |
Output is correct |
| 32 |
Correct |
7 ms |
636 KB |
Output is correct |
| 33 |
Correct |
8 ms |
764 KB |
Output is correct |
| 34 |
Correct |
7 ms |
632 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
8 ms |
632 KB |
Output is correct |
| 38 |
Correct |
7 ms |
636 KB |
Output is correct |
| 39 |
Correct |
7 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
632 KB |
Output is correct |
| 41 |
Correct |
7 ms |
632 KB |
Output is correct |
| 42 |
Correct |
8 ms |
632 KB |
Output is correct |
| 43 |
Correct |
7 ms |
632 KB |
Output is correct |
| 44 |
Correct |
7 ms |
760 KB |
Output is correct |
| 45 |
Correct |
7 ms |
632 KB |
Output is correct |
| 46 |
Correct |
8 ms |
632 KB |
Output is correct |
| 47 |
Correct |
7 ms |
632 KB |
Output is correct |
| 48 |
Correct |
7 ms |
632 KB |
Output is correct |
| 49 |
Correct |
7 ms |
632 KB |
Output is correct |
| 50 |
Correct |
9 ms |
760 KB |
Output is correct |
| 51 |
Correct |
7 ms |
632 KB |
Output is correct |
| 52 |
Correct |
284 ms |
16760 KB |
Output is correct |
| 53 |
Correct |
297 ms |
16428 KB |
Output is correct |
| 54 |
Correct |
280 ms |
16376 KB |
Output is correct |
| 55 |
Correct |
300 ms |
16408 KB |
Output is correct |
| 56 |
Correct |
282 ms |
16504 KB |
Output is correct |
| 57 |
Correct |
287 ms |
16376 KB |
Output is correct |
| 58 |
Correct |
291 ms |
16452 KB |
Output is correct |
| 59 |
Correct |
291 ms |
16376 KB |
Output is correct |
| 60 |
Correct |
285 ms |
16512 KB |
Output is correct |
| 61 |
Correct |
287 ms |
16376 KB |
Output is correct |
| 62 |
Correct |
279 ms |
16376 KB |
Output is correct |
| 63 |
Correct |
283 ms |
16380 KB |
Output is correct |
| 64 |
Correct |
280 ms |
16376 KB |
Output is correct |
| 65 |
Correct |
298 ms |
16376 KB |
Output is correct |
| 66 |
Correct |
282 ms |
16376 KB |
Output is correct |
| 67 |
Correct |
285 ms |
16480 KB |
Output is correct |
| 68 |
Correct |
282 ms |
16468 KB |
Output is correct |
