Submission #766340

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
766340	2023-06-25T14:04:01 Z	vito	Palembang Bridges (APIO15_bridge)	C++	17 / 100	16 ms	5716 KB

bridge

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
const ll INF=1e18+5;
#define F first
#define S second
int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	int k, n;
	cin >> k >> n;
	char c, cc;
	vector<vector<ll>> a(n, vector<ll>(3));
	for(int i=0; i<n; i++) {
		cin >> c;
		cin >> a[i][0];
		cin >> cc;
		cin >> a[i][1];
		a[i][2]=(c==cc);
		if(a[i][0]>a[i][1]) {
			swap(a[i][0], a[i][1]);
		}
	}
	if(k==1 && n<=1000) {
		vector<ll> pos;
		for(int i=0; i<n; i++) {
			pos.push_back(a[i][0]);
			pos.push_back(a[i][1]);
		}
		ll rj=INF, cur;
		for(int i=0; i<2*n; i++) {
			cur=0;
			for(int j=0; j<n; j++) {
				cur+=a[j][1]-a[j][0];
				if(a[j][2]==0) {
					cur++;
					if(pos[i]<a[j][0]) {
						cur+=2*(a[j][0]-pos[i]);
					}
					else if(pos[i]>a[j][1]) {
						cur+=2*(pos[i]-a[j][1]);
					}
				}
			}
			rj=min(rj, cur);
		}
		cout << rj << '\n';
		return 0;
	}
	if(k==2 && n<=100) {
		vector<ll> pos;
		for(int i=0; i<n; i++) {
			pos.push_back(a[i][0]);
			pos.push_back(a[i][1]);
		}
		ll rj=INF, cur;
		for(int i=0; i<2*n-1; i++) {
			for(int j=i+1; j<2*n; j++) {
				cur=0;
				for(int l=0; l<n; l++) {
					cur+=a[l][1]-a[l][0];
					if(a[l][2]==0) {
						cur++;
						pair<ll, ll> cos;
						if(pos[i]<a[l][0]) {
							cos.F=2*(a[l][0]-pos[i]);
						}
						else if(pos[i]>a[l][1]) {
							cos.F=2*(pos[i]-a[l][1]);
						}
						if(pos[j]<a[l][0]) {
							cos.S+=2*(a[l][0]-pos[j]);
						}
						else if(pos[j]>a[l][1]) {
							cos.S+=2*(pos[j]-a[l][1]);
						}
						cur+=min(cos.F, cos.S);
					}
				}
				rj=min(rj, cur);
			}
		}
		cout << rj << '\n';
		return 0;
	}
}

Subtask #1

8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	3 ms	408 KB	Output is correct
4	Correct	7 ms	412 KB	Output is correct
5	Correct	7 ms	340 KB	Output is correct
6	Correct	3 ms	340 KB	Output is correct
7	Correct	3 ms	340 KB	Output is correct
8	Correct	3 ms	340 KB	Output is correct
9	Correct	5 ms	340 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	3 ms	340 KB	Output is correct

Subtask #2

0 / 14.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	4 ms	412 KB	Output is correct
4	Correct	7 ms	412 KB	Output is correct
5	Correct	7 ms	404 KB	Output is correct
6	Correct	3 ms	340 KB	Output is correct
7	Correct	3 ms	340 KB	Output is correct
8	Correct	3 ms	340 KB	Output is correct
9	Correct	5 ms	340 KB	Output is correct
10	Correct	3 ms	340 KB	Output is correct
11	Correct	3 ms	340 KB	Output is correct
12	Incorrect	16 ms	5716 KB	Output isn't correct
13	Halted	0 ms	0 KB	-

Subtask #3

9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	4 ms	212 KB	Output is correct
4	Correct	6 ms	212 KB	Output is correct
5	Correct	2 ms	320 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	5 ms	212 KB	Output is correct
8	Correct	5 ms	212 KB	Output is correct
9	Correct	5 ms	212 KB	Output is correct
10	Correct	5 ms	212 KB	Output is correct
11	Correct	5 ms	212 KB	Output is correct
12	Correct	5 ms	212 KB	Output is correct

Subtask #4

0 / 32.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	4 ms	212 KB	Output is correct
4	Correct	5 ms	328 KB	Output is correct
5	Correct	2 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	5 ms	212 KB	Output is correct
8	Correct	5 ms	320 KB	Output is correct
9	Correct	5 ms	212 KB	Output is correct
10	Correct	6 ms	212 KB	Output is correct
11	Correct	5 ms	212 KB	Output is correct
12	Correct	5 ms	212 KB	Output is correct
13	Incorrect	1 ms	340 KB	Output isn't correct
14	Halted	0 ms	0 KB	-

Subtask #5

0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	4 ms	212 KB	Output is correct
4	Correct	6 ms	212 KB	Output is correct
5	Correct	2 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	6 ms	212 KB	Output is correct
8	Correct	5 ms	332 KB	Output is correct
9	Correct	5 ms	212 KB	Output is correct
10	Correct	6 ms	212 KB	Output is correct
11	Correct	5 ms	212 KB	Output is correct
12	Correct	5 ms	212 KB	Output is correct
13	Incorrect	1 ms	324 KB	Output isn't correct
14	Halted	0 ms	0 KB	-