#include <bits/stdc++.h>
using namespace std;
#define ss second
#define ff first
typedef long long ll;
typedef long double ld;
#define int ll
int mod = 1e9+7;
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];
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int k, n;
ll same_side = 0;
vector<pair<int, int>> v = {{0, 0}};
cin >> k >> n;
for(int i = 0; i < n; ++i) {
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(int i = 1; i <= n; ++i) {
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 |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
524 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
596 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
504 KB |
Output is correct |
| 7 |
Correct |
1 ms |
504 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
504 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
23 ms |
6860 KB |
Output is correct |
| 13 |
Correct |
44 ms |
8280 KB |
Output is correct |
| 14 |
Correct |
33 ms |
7700 KB |
Output is correct |
| 15 |
Correct |
24 ms |
5064 KB |
Output is correct |
| 16 |
Correct |
24 ms |
7628 KB |
Output is correct |
| 17 |
Correct |
32 ms |
8388 KB |
Output is correct |
| 18 |
Correct |
30 ms |
8388 KB |
Output is correct |
| 19 |
Correct |
37 ms |
8356 KB |
Output is correct |
| 20 |
Correct |
26 ms |
8152 KB |
Output is correct |
| 21 |
Correct |
35 ms |
8216 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
508 KB |
Output is correct |
| 8 |
Correct |
1 ms |
472 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
504 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
2 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
508 KB |
Output is correct |
| 7 |
Correct |
1 ms |
368 KB |
Output is correct |
| 8 |
Correct |
1 ms |
504 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
352 KB |
Output is correct |
| 12 |
Correct |
1 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 |
352 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
352 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
504 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
344 KB |
Output is correct |
| 22 |
Correct |
1 ms |
352 KB |
Output is correct |
| 23 |
Correct |
1 ms |
352 KB |
Output is correct |
| 24 |
Correct |
1 ms |
352 KB |
Output is correct |
| 25 |
Correct |
32 ms |
6872 KB |
Output is correct |
| 26 |
Correct |
57 ms |
7640 KB |
Output is correct |
| 27 |
Correct |
69 ms |
7840 KB |
Output is correct |
| 28 |
Correct |
72 ms |
8656 KB |
Output is correct |
| 29 |
Correct |
71 ms |
7888 KB |
Output is correct |
| 30 |
Correct |
38 ms |
4308 KB |
Output is correct |
| 31 |
Correct |
34 ms |
7372 KB |
Output is correct |
| 32 |
Correct |
58 ms |
8396 KB |
Output is correct |
| 33 |
Correct |
53 ms |
7628 KB |
Output is correct |
| 34 |
Correct |
58 ms |
8384 KB |
Output is correct |
| 35 |
Correct |
41 ms |
8084 KB |
Output is correct |
| 36 |
Correct |
57 ms |
8144 KB |
Output is correct |
| 37 |
Correct |
31 ms |
6860 KB |
Output is correct |
