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답안 #466664

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
466664 2021-08-20T03:31:09 Z cgiosy Palembang Bridges (APIO15_bridge) C++17
100 / 100
 84 ms 3128 KB 
#include <bits/stdc++.h>
using namespace std;
using ll=long long;

struct pii {
	int l, r;
	bool operator<(pii b) const { return l+r<b.l+b.r; }
};

int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	int K, N, M=0;
	cin>>K>>N;
	pii A[N];
	ll B[N], s=0, w=0;
	for(int i=0; i<N; i++) {
		char a, b;
		int l, r;
		cin>>a>>l>>b>>r;
		if(l>r) swap(l, r);
		if(a!=b) A[M++]={l, r};
		else s+=r-l;
	}
	s+=N=M;
	sort(A, A+N);

	priority_queue<int> L;
	priority_queue<int, vector<int>, greater<int>> R;
	auto add=[&](pii v) {
		L.push(v.l), R.push(v.r);
		w+=v.r-v.l;
		if(L.top()>R.top()) {
			int l=L.top(), r=R.top();
			L.pop(), R.pop();
			L.push(r), R.push(l);
			w+=(l-r)*2;
		}
		return w;
	};

	for(int i=0; i<N; i++) B[i]=add(A[i]);
	w=0;
	decltype(L)().swap(L);
	decltype(R)().swap(R);
	ll t=N ? B[N-1] : 0;
	if(K==2 && N) for(int i=N; --i;) t=min(t, add(A[i])+B[i-1]);
	cout<<s+t<<'\n';
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 30 ms 3008 KB Output is correct
13 Correct 57 ms 2756 KB Output is correct
14 Correct 45 ms 2596 KB Output is correct
15 Correct 33 ms 1860 KB Output is correct
16 Correct 33 ms 2752 KB Output is correct
17 Correct 54 ms 2864 KB Output is correct
18 Correct 34 ms 2752 KB Output is correct
19 Correct 61 ms 2756 KB Output is correct
20 Correct 43 ms 2780 KB Output is correct
21 Correct 62 ms 2864 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct

Subtask #4
32.0 / 32.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 224 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct

Subtask #5
37.0 / 37.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 34 ms 3116 KB Output is correct
26 Correct 59 ms 3108 KB Output is correct
27 Correct 75 ms 3100 KB Output is correct
28 Correct 80 ms 3100 KB Output is correct
29 Correct 81 ms 3104 KB Output is correct
30 Correct 41 ms 1824 KB Output is correct
31 Correct 34 ms 3128 KB Output is correct
32 Correct 78 ms 3116 KB Output is correct
33 Correct 37 ms 3120 KB Output is correct
34 Correct 84 ms 3088 KB Output is correct
35 Correct 54 ms 3108 KB Output is correct
36 Correct 82 ms 3048 KB Output is correct
37 Correct 27 ms 3116 KB Output is correct