oj.uz

Submission #111095

# Submission time Handle Problem Language Result Execution time Memory
111095 2019-05-13T15:49:55 Z square1001 Palembang Bridges (APIO15_bridge) C++14
100 / 100
 96 ms 6456 KB 
#include <cmath>
#include <queue>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
const long long inf = 1LL << 62;
long long solve(int K, int N, vector<int> A, vector<int> B) {
	if(N == 0) return 0;
	vector<int> perm(N);
	for(int i = 0; i < N; ++i) perm[i] = i;
	sort(perm.begin(), perm.end(), [&](int i, int j) { return A[i] + B[i] < A[j] + B[j]; });
	vector<int> SA(N), SB(N);
	for(int i = 0; i < N; ++i) SA[i] = A[perm[i]], SB[i] = B[perm[i]];
	A = SA, B = SB;
	vector<long long> da(N + 1), db(N + 1);
	long long sum = 0, all = 0, last = -1;
	priority_queue<int> que;
	for(int i = 1; i <= N; ++i) {
		que.push(-A[i - 1]);
		que.push(-B[i - 1]);
		last = -que.top();
		que.pop();
		sum += last;
		all += A[i - 1] + B[i - 1];
		da[i] = (last * i - sum) + ((all - sum) - last * i);
	}
	sum = 0, all = 0, last = -1;
	que = priority_queue<int>();
	for(int i = 1; i <= N; ++i) {
		que.push(A[N - i]);
		que.push(B[N - i]);
		last = que.top();
		que.pop();
		sum += last;
		all += A[N - i] + B[N - i];
		db[N - i] = (sum - last * i) + (last * i - (all - sum));
	}
	long long ans = inf;
	for(int i = 0; i < (K == 1 ? 1 : N); ++i) {
		ans = min(ans, da[i] + db[i]);
	}
	return ans + N;
}
int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	int K, N;
	cin >> K >> N;
	vector<int> A, B;
	long long offset = 0;
	for(int i = 0; i < N; ++i) {
		string P, Q; int S, T;
		cin >> P >> S >> Q >> T;
		if(P != Q) {
			A.push_back(S);
			B.push_back(T);
		}
		else offset += abs(S - T);
	}
	N = A.size();
	long long ans = solve(K, N, A, B);
	cout << ans + offset << endl;
	return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 75 ms 5732 KB Output is correct
13 Correct 88 ms 5728 KB Output is correct
14 Correct 73 ms 5260 KB Output is correct
15 Correct 46 ms 3460 KB Output is correct
16 Correct 62 ms 5732 KB Output is correct
17 Correct 67 ms 5732 KB Output is correct
18 Correct 96 ms 5760 KB Output is correct
19 Correct 75 ms 5700 KB Output is correct
20 Correct 51 ms 5732 KB Output is correct
21 Correct 62 ms 5732 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 3 ms 384 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 4 ms 384 KB Output is correct

Subtask #5
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 512 KB Output is correct
22 Correct 3 ms 384 KB Output is correct
23 Correct 3 ms 384 KB Output is correct
24 Correct 3 ms 384 KB Output is correct
25 Correct 70 ms 6348 KB Output is correct
26 Correct 72 ms 6372 KB Output is correct
27 Correct 94 ms 6300 KB Output is correct
28 Correct 90 ms 6364 KB Output is correct
29 Correct 91 ms 6372 KB Output is correct
30 Correct 58 ms 3876 KB Output is correct
31 Correct 61 ms 6372 KB Output is correct
32 Correct 63 ms 6372 KB Output is correct
33 Correct 62 ms 6456 KB Output is correct
34 Correct 80 ms 6296 KB Output is correct
35 Correct 95 ms 6244 KB Output is correct
36 Correct 78 ms 6320 KB Output is correct
37 Correct 46 ms 6344 KB Output is correct