#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T> //order_of_key = menores, find_by_order = consultar indexado en 0, regresa iterador
using ordered_set = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;
using ll = long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using vll = vector<ll>;
using vii = vector<int>;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());
#define mid ((l+r)>>1)
#define f first
#define s second
#define pb push_back
#define MP make_pair
#define all(x) (x).begin(),(x).end()
#define inicio(x) (*(x).begin())
#define rinicio(x) (*(x).rbegin())
#define SZ(x) (int)(x.size())
const ll MAXN = (ll)3e3 + 5;
const ll MAXK = (ll)3e4 + 5;
const ll MOD = (ll)1e9 + 7;
const ll INF = (ll)1e12 + 5;
const ll OFFSET = (ll)1e6;
priority_queue<ll> pq;
ll sum, brute, M, ans, pre;
void tc() {
ll N; cin >> N;
for (int i = 0; i < N; i++) {
ll a, b; cin >> a >> b;
a -= b;
sum += a;
brute += abs(sum);
pq.push(sum);
pq.push(sum);
if (i < N - 1) pq.pop();
}
M = 2;
pq.push(sum);
pq.push(0);
while (!pq.empty() && pq.top() > sum) {
pq.pop();
M--;
}
pre = pq.top();
while (!pq.empty() && pq.top() >= 0) {
ans -= M*abs(pre - pq.top());
M--;
pre = pq.top();
pq.pop();
}
cout << brute - ans << "\n";
return;
}
int main() {
ios_base::sync_with_stdio(0);cin.tie(0);
int t = 1;
//cin >> t;
for (int i = 1; i <= t; i++) {
tc();
}
return 0;
}
//checa tus constantes, n = 1? overflow?
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
11 ms |
1332 KB |
Output is correct |
5 |
Correct |
22 ms |
2008 KB |
Output is correct |
6 |
Correct |
74 ms |
5836 KB |
Output is correct |
7 |
Correct |
110 ms |
11196 KB |
Output is correct |
8 |
Correct |
129 ms |
9152 KB |
Output is correct |
9 |
Correct |
108 ms |
8648 KB |
Output is correct |
10 |
Correct |
83 ms |
6240 KB |
Output is correct |
11 |
Correct |
93 ms |
6340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
11 ms |
1332 KB |
Output is correct |
5 |
Correct |
22 ms |
2008 KB |
Output is correct |
6 |
Correct |
74 ms |
5836 KB |
Output is correct |
7 |
Correct |
110 ms |
11196 KB |
Output is correct |
8 |
Correct |
129 ms |
9152 KB |
Output is correct |
9 |
Correct |
108 ms |
8648 KB |
Output is correct |
10 |
Correct |
83 ms |
6240 KB |
Output is correct |
11 |
Correct |
93 ms |
6340 KB |
Output is correct |
12 |
Correct |
35 ms |
3024 KB |
Output is correct |
13 |
Correct |
85 ms |
9412 KB |
Output is correct |
14 |
Correct |
110 ms |
11196 KB |
Output is correct |
15 |
Correct |
135 ms |
9148 KB |
Output is correct |
16 |
Correct |
136 ms |
8568 KB |
Output is correct |
17 |
Correct |
79 ms |
6388 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
564 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
540 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
11 ms |
1332 KB |
Output is correct |
12 |
Correct |
22 ms |
2008 KB |
Output is correct |
13 |
Correct |
74 ms |
5836 KB |
Output is correct |
14 |
Correct |
110 ms |
11196 KB |
Output is correct |
15 |
Correct |
129 ms |
9152 KB |
Output is correct |
16 |
Correct |
108 ms |
8648 KB |
Output is correct |
17 |
Correct |
83 ms |
6240 KB |
Output is correct |
18 |
Correct |
93 ms |
6340 KB |
Output is correct |
19 |
Correct |
35 ms |
3024 KB |
Output is correct |
20 |
Correct |
85 ms |
9412 KB |
Output is correct |
21 |
Correct |
110 ms |
11196 KB |
Output is correct |
22 |
Correct |
135 ms |
9148 KB |
Output is correct |
23 |
Correct |
136 ms |
8568 KB |
Output is correct |
24 |
Correct |
79 ms |
6388 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
564 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
540 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
35 ms |
3028 KB |
Output is correct |
34 |
Correct |
88 ms |
8364 KB |
Output is correct |
35 |
Correct |
145 ms |
10996 KB |
Output is correct |
36 |
Correct |
147 ms |
8636 KB |
Output is correct |
37 |
Correct |
121 ms |
9176 KB |
Output is correct |
38 |
Correct |
147 ms |
11196 KB |
Output is correct |
39 |
Correct |
92 ms |
7276 KB |
Output is correct |
40 |
Correct |
111 ms |
6708 KB |
Output is correct |
41 |
Correct |
86 ms |
6340 KB |
Output is correct |
42 |
Correct |
85 ms |
6328 KB |
Output is correct |
43 |
Correct |
80 ms |
7112 KB |
Output is correct |
44 |
Correct |
88 ms |
7632 KB |
Output is correct |
45 |
Correct |
138 ms |
11200 KB |
Output is correct |
46 |
Correct |
106 ms |
6612 KB |
Output is correct |
47 |
Correct |
101 ms |
6624 KB |
Output is correct |