#include <bits/stdc++.h>
#define FOR(i, x, y) for (int i = x; i < y; i++)
typedef long long ll;
using namespace std;
bool cmp(pair<int, int> a, pair<int, int> b) {
return a.first + a.second < b.first + b.second;
}
priority_queue<int> lpq;
priority_queue<int, vector<int>, greater<int>> rpq;
ll lsum, rsum;
void insert(int x) {
int median = (lpq.size() ? lpq.top() : 1000000001);
if (x <= median) {
lpq.push(x);
lsum += x;
} else {
rpq.push(x);
rsum += x;
}
if (rpq.size() + 1 < lpq.size()) {
int nxt = lpq.top();
lpq.pop();
rpq.push(nxt);
lsum -= nxt;
rsum += nxt;
} else if (lpq.size() < rpq.size()) {
int nxt = rpq.top();
rpq.pop();
lpq.push(nxt);
rsum -= nxt;
lsum += nxt;
}
}
ll pref[100001];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int k, n;
ll same_side = 0;
vector<pair<int, int>> v = {{0, 0}};
cin >> k >> n;
FOR(i, 0, n) {
char a, b;
int x, y;
cin >> a >> x >> b >> y;
if (a == b) same_side += abs(x - y);
else v.push_back({x, y});
}
sort(v.begin(), v.end(), cmp);
n = v.size() - 1;
same_side += n;
lsum = rsum = 0;
FOR(i, 1, n + 1) {
insert(v[i].first);
insert(v[i].second);
pref[i] = rsum - lsum;
}
ll ans = pref[n];
if (k == 2) {
while (lpq.size()) lpq.pop();
while (rpq.size()) rpq.pop();
lsum = rsum = 0;
for (int i = n; i; i--) {
insert(v[i].first);
insert(v[i].second);
ans = min(ans, rsum - lsum + pref[i - 1]);
}
}
cout << same_side + ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
20 ms |
3820 KB |
Output is correct |
13 |
Correct |
46 ms |
5580 KB |
Output is correct |
14 |
Correct |
31 ms |
4568 KB |
Output is correct |
15 |
Correct |
22 ms |
3548 KB |
Output is correct |
16 |
Correct |
22 ms |
4828 KB |
Output is correct |
17 |
Correct |
32 ms |
5588 KB |
Output is correct |
18 |
Correct |
28 ms |
5588 KB |
Output is correct |
19 |
Correct |
37 ms |
5488 KB |
Output is correct |
20 |
Correct |
24 ms |
5320 KB |
Output is correct |
21 |
Correct |
33 ms |
5264 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 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 |
0 ms |
460 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
472 KB |
Output is correct |
15 |
Correct |
1 ms |
488 KB |
Output is correct |
16 |
Correct |
0 ms |
472 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
476 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
512 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
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 |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
344 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
604 KB |
Output is correct |
20 |
Correct |
1 ms |
500 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
1 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
480 KB |
Output is correct |
25 |
Correct |
27 ms |
4096 KB |
Output is correct |
26 |
Correct |
50 ms |
4820 KB |
Output is correct |
27 |
Correct |
63 ms |
5072 KB |
Output is correct |
28 |
Correct |
65 ms |
5836 KB |
Output is correct |
29 |
Correct |
72 ms |
5544 KB |
Output is correct |
30 |
Correct |
35 ms |
3032 KB |
Output is correct |
31 |
Correct |
29 ms |
4816 KB |
Output is correct |
32 |
Correct |
48 ms |
5580 KB |
Output is correct |
33 |
Correct |
55 ms |
5068 KB |
Output is correct |
34 |
Correct |
61 ms |
5584 KB |
Output is correct |
35 |
Correct |
36 ms |
5328 KB |
Output is correct |
36 |
Correct |
53 ms |
5324 KB |
Output is correct |
37 |
Correct |
21 ms |
4052 KB |
Output is correct |