답안 #87799

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
87799 2018-12-02T15:17:37 Z KCSC Palembang Bridges (APIO15_bridge) C++14
100 / 100
165 ms 45988 KB
#include <bits/stdc++.h>
using namespace std;

const int DIM = 100005;

long long lst1[DIM], lst2[DIM];
vector<pair<int, int>> arr;

void insert(auto &lef, auto &rig, long long &lsum, long long &rsum, int x) {
	if (!lef.size() or x <= lef.top()) {
		lsum += x; lef.push(x); }
	else {
		rsum += x; rig.push(x); } }

void balance(auto &lef, auto &rig, long long &lsum, long long &rsum) {
	while ((int) rig.size() - (int) lef.size() > 1) {
		lsum += rig.top(); rsum -= rig.top(); lef.push(rig.top()); rig.pop(); }	
	while ((int) lef.size() - (int) rig.size() > 1) {
		rsum += lef.top(); lsum -= lef.top(); rig.push(lef.top()); lef.pop(); } }

void solve(long long lst[DIM]) {
	long long lsum = 0, rsum = 0;
	priority_queue<int, vector<int>, less<int>> lef;
	priority_queue<int, vector<int>, greater<int>> rig;
	for (int i = 1; i <= (int) arr.size(); ++i) {
		insert(lef, rig, lsum, rsum, arr[i - 1].first);
		insert(lef, rig, lsum, rsum, arr[i - 1].second);
		balance(lef, rig, lsum, rsum);
		lst[i] = 1LL * lef.top() * (lef.size() - rig.size()) - lsum + rsum; } }

int main(void) {
#ifdef HOME
	freopen("bridge.in", "r", stdin);
	freopen("bridge.out", "w", stdout);
#endif
	int k, n; cin >> k >> n;
	long long ans = 0;
	for (int i = 1; i <= n; ++i) {
		char c1, c2; int p1, p2; 
		cin >> c1 >> p1 >> c2 >> p2;
		if (c1 == c2) {
			ans += abs(p2 - p1); }
		else {
			arr.emplace_back(min(p1, p2), max(p1, p2)); } }
	sort(arr.begin(), arr.end(), 
		[](const pair<int, int> &p1, const pair<int, int> &p2) {
			return p1.first + p1.second < p2.first + p2.second; });
	solve(lst1); reverse(arr.begin(), arr.end()); solve(lst2);
	long long cst = (1LL << 50);
	for (int i = 0; i <= (int) arr.size(); ++i) {
		cst = min(cst, lst1[i] + lst2[arr.size() - i]); }
	if (k == 1) {
		cst = lst1[arr.size()]; }
	cout << ans + arr.size() + cst << endl;
	return 0; }
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 636 KB Output is correct
3 Correct 3 ms 700 KB Output is correct
4 Correct 4 ms 700 KB Output is correct
5 Correct 4 ms 860 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 3 ms 892 KB Output is correct
9 Correct 4 ms 912 KB Output is correct
10 Correct 4 ms 936 KB Output is correct
11 Correct 4 ms 956 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 984 KB Output is correct
2 Correct 2 ms 984 KB Output is correct
3 Correct 3 ms 1156 KB Output is correct
4 Correct 3 ms 1164 KB Output is correct
5 Correct 4 ms 1184 KB Output is correct
6 Correct 3 ms 1208 KB Output is correct
7 Correct 4 ms 1228 KB Output is correct
8 Correct 3 ms 1252 KB Output is correct
9 Correct 4 ms 1272 KB Output is correct
10 Correct 3 ms 1316 KB Output is correct
11 Correct 4 ms 1336 KB Output is correct
12 Correct 75 ms 5736 KB Output is correct
13 Correct 162 ms 8132 KB Output is correct
14 Correct 109 ms 9032 KB Output is correct
15 Correct 97 ms 9268 KB Output is correct
16 Correct 107 ms 12216 KB Output is correct
17 Correct 148 ms 14728 KB Output is correct
18 Correct 119 ms 16584 KB Output is correct
19 Correct 165 ms 18972 KB Output is correct
20 Correct 130 ms 20752 KB Output is correct
21 Correct 154 ms 23040 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 23040 KB Output is correct
2 Correct 3 ms 23040 KB Output is correct
3 Correct 4 ms 23040 KB Output is correct
4 Correct 3 ms 23040 KB Output is correct
5 Correct 2 ms 23040 KB Output is correct
6 Correct 3 ms 23040 KB Output is correct
7 Correct 4 ms 23040 KB Output is correct
8 Correct 2 ms 23040 KB Output is correct
9 Correct 3 ms 23040 KB Output is correct
10 Correct 2 ms 23040 KB Output is correct
11 Correct 2 ms 23040 KB Output is correct
12 Correct 3 ms 23040 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 23040 KB Output is correct
2 Correct 2 ms 23040 KB Output is correct
3 Correct 3 ms 23040 KB Output is correct
4 Correct 3 ms 23040 KB Output is correct
5 Correct 3 ms 23040 KB Output is correct
6 Correct 3 ms 23040 KB Output is correct
7 Correct 3 ms 23040 KB Output is correct
8 Correct 3 ms 23040 KB Output is correct
9 Correct 3 ms 23040 KB Output is correct
10 Correct 3 ms 23040 KB Output is correct
11 Correct 3 ms 23040 KB Output is correct
12 Correct 3 ms 23040 KB Output is correct
13 Correct 3 ms 23040 KB Output is correct
14 Correct 3 ms 23040 KB Output is correct
15 Correct 4 ms 23040 KB Output is correct
16 Correct 2 ms 23040 KB Output is correct
17 Correct 3 ms 23040 KB Output is correct
18 Correct 3 ms 23040 KB Output is correct
19 Correct 3 ms 23040 KB Output is correct
20 Correct 3 ms 23040 KB Output is correct
21 Correct 3 ms 23040 KB Output is correct
22 Correct 4 ms 23040 KB Output is correct
23 Correct 4 ms 23040 KB Output is correct
24 Correct 4 ms 23040 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 23040 KB Output is correct
2 Correct 2 ms 23040 KB Output is correct
3 Correct 3 ms 23040 KB Output is correct
4 Correct 3 ms 23040 KB Output is correct
5 Correct 3 ms 23040 KB Output is correct
6 Correct 2 ms 23040 KB Output is correct
7 Correct 3 ms 23040 KB Output is correct
8 Correct 2 ms 23040 KB Output is correct
9 Correct 2 ms 23040 KB Output is correct
10 Correct 3 ms 23040 KB Output is correct
11 Correct 3 ms 23040 KB Output is correct
12 Correct 3 ms 23040 KB Output is correct
13 Correct 3 ms 23040 KB Output is correct
14 Correct 3 ms 23040 KB Output is correct
15 Correct 4 ms 23040 KB Output is correct
16 Correct 2 ms 23040 KB Output is correct
17 Correct 3 ms 23040 KB Output is correct
18 Correct 3 ms 23040 KB Output is correct
19 Correct 3 ms 23040 KB Output is correct
20 Correct 4 ms 23040 KB Output is correct
21 Correct 3 ms 23040 KB Output is correct
22 Correct 4 ms 23040 KB Output is correct
23 Correct 3 ms 23040 KB Output is correct
24 Correct 4 ms 23040 KB Output is correct
25 Correct 82 ms 24292 KB Output is correct
26 Correct 105 ms 25252 KB Output is correct
27 Correct 137 ms 26968 KB Output is correct
28 Correct 159 ms 29288 KB Output is correct
29 Correct 161 ms 31664 KB Output is correct
30 Correct 86 ms 31664 KB Output is correct
31 Correct 102 ms 34492 KB Output is correct
32 Correct 151 ms 36928 KB Output is correct
33 Correct 116 ms 38804 KB Output is correct
34 Correct 161 ms 41332 KB Output is correct
35 Correct 129 ms 43084 KB Output is correct
36 Correct 151 ms 45136 KB Output is correct
37 Correct 70 ms 45988 KB Output is correct