CSES - Datatähti 2023 alku

CSES - Datatähti 2023 alku - Results

Submission details
Task:	Sadonkorjuu
Sender:	qanpi
Submission time:	2022-11-07 02:57:11 +0200
Language:	C++11
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.01 s	1, 2	details
#2	WRONG ANSWER	0.01 s	1, 2	details
#3	WRONG ANSWER	0.01 s	1, 2	details
#4	WRONG ANSWER	0.01 s	1, 2	details
#5	WRONG ANSWER	0.01 s	1, 2	details
#6	TIME LIMIT EXCEEDED	--	1, 2	details
#7	TIME LIMIT EXCEEDED	--	2	details
#8	WRONG ANSWER	0.02 s	1, 2	details
#9	TIME LIMIT EXCEEDED	--	2	details
#10	WRONG ANSWER	0.01 s	1, 2	details
#11	WRONG ANSWER	0.25 s	2	details
#12	TIME LIMIT EXCEEDED	--	2	details
#13	TIME LIMIT EXCEEDED	--	2	details
#14	WRONG ANSWER	0.23 s	2	details
#15	TIME LIMIT EXCEEDED	--	1, 2	details
#16	WRONG ANSWER	0.02 s	1, 2	details
#17	WRONG ANSWER	0.01 s	1, 2	details
#18	TIME LIMIT EXCEEDED	--	1, 2	details
#19	WRONG ANSWER	0.01 s	1, 2	details
#20	WRONG ANSWER	0.02 s	1, 2	details
#21	TIME LIMIT EXCEEDED	--	2	details
#22	WRONG ANSWER	0.34 s	2	details
#23	TIME LIMIT EXCEEDED	--	2	details
#24	WRONG ANSWER	0.03 s	1, 2	details
#25	TIME LIMIT EXCEEDED	--	2	details
#26	WRONG ANSWER	0.02 s	1, 2	details
#27	TIME LIMIT EXCEEDED	--	2	details
#28	WRONG ANSWER	0.04 s	1, 2	details
#29	TIME LIMIT EXCEEDED	--	2	details
#30	TIME LIMIT EXCEEDED	--	1, 2	details
#31	TIME LIMIT EXCEEDED	--	2	details

Code

#include<iostream>
#include<vector>
#include<queue>
#include<chrono>

using namespace std;

int n;
bool field[2*100000+1];
vector<pair<int, int>> adj[2*100000+1];
const int INF = 10e7;

int djikstra(int x);

int main() {
	//freopen("harvest10000.txt", "r", stdin);
	cin.tie(0);
	cin >> n;

	for(int i=1; i<=n; i++) {
		cin >> field[i];	
	}

	for(int i=0; i<n-1; i++) {
		int a, b, c;
		cin >> a >> b >> c;
		adj[a].push_back({b, c});
		adj[b].push_back({a, c});
	}
	auto start = chrono::high_resolution_clock::now();

	long long int sum = 0;
	for(int i=1; i<=n; i++) {
		if(field[i]) sum += djikstra(i);
	}
	cout << sum << endl;
	auto end = chrono::high_resolution_clock::now();
	auto duration = chrono::duration_cast<chrono::microseconds>(end-start);
	cout << duration.count() << endl;
}

int memo[2*100000+1];
int djikstra(int x) {
	priority_queue<pair<int, int>> q;
	int distance[2*100000+1] = {0};

	for (int i=1; i<=n; i++) {
		distance[i] = INF;
	}

	distance[x] = 0;
	q.push({0, x});

	int shortest = INF;
	while (!q.empty()) {
		int a = q.top().second, w = -q.top().first; q.pop();

		if (memo[a] != 0) {
			shortest = min(w + memo[a], shortest); 
			continue;
		}

		if (w >= shortest) continue;
		if(!field[a]) shortest = min(shortest, w);

		for (auto u : adj[a]) {
			int b = u.first, c = u.second;
			
			//the if-statement should be fine to remove
			distance[b] = distance[a]+c;
			q.push({-distance[b], b});
		}
	}

	memo[x] = shortest;
	return shortest;
}

Test details

Test 1

Group: 1, 2

Verdict: WRONG ANSWER

input
`1 0` view save

correct output
`0` view save

user output
`0 32` view save

Test 2

Group: 1, 2

Verdict: WRONG ANSWER

input
`5 0 0 0 0 0 1 2 1 2 3 2 3 4 3 ...` view save

correct output
`0` view save

user output
`0 39` view save

Test 3

Group: 1, 2

Verdict: WRONG ANSWER

input
`4 1 0 1 1 1 2 10 2 3 20 2 4 30` view save

correct output
`60` view save

user output
`60 564` view save

Test 4

Group: 1, 2

Verdict: WRONG ANSWER

input
`5 0 1 1 1 0 1 2 10 2 3 20 3 4 30 ...` view save

correct output
`80` view save

user output
`80 564` view save

Test 5

Group: 1, 2

Verdict: WRONG ANSWER

input
`5 0 1 0 1 1 1 2 1 2 3 5 3 4 3 ...` view save

correct output
`6` view save

user output
`6 570` view save

Test 6

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5506363` view save

user output
(empty)

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1795118520` view save

user output
(empty)

Test 8

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 0 0 1 0 1 1 0 1 0 1 1 0 0 0 1 ...` view save

correct output
`293576` view save

user output
`294166 13125` view save

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`816932444` view save

user output
(empty)

Test 10

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

correct output
`3089` view save

user output
`3089 808` view save

Test 11

Group: 2

Verdict: WRONG ANSWER

input
`200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

correct output
`40839` view save

user output
`40839 13503` view save

Test 12

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`5683983203973` view save

user output
(empty)

Test 13

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 0 1 1 1 1 1 1 0 0 0 1 1 0 1 0 ...` view save

correct output
`58572993` view save

user output
(empty)

Test 14

Group: 2

Verdict: WRONG ANSWER

input
`200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

correct output
`32755` view save

user output
`32755 13302` view save

Test 15

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`126238345` view save

user output
(empty)

Test 16

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 0 0 0 1 0 1 1 1 0 0 1 0 1 1 0 ...` view save

correct output
`278678` view save

user output
`282366 13398` view save

Test 17

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 1 0 0 0 1 0 0 0 1 0 0 0 0 0 0 ...` view save

correct output
`34929` view save

user output
`34929 2989` view save

Test 18

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1543963` view save

user output
(empty)

Test 19

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

correct output
`39606` view save

user output
`39606 3033` view save

Test 20

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 1 0 1 0 1 0 0 0 0 1 1 0 0 0 1 ...` view save

correct output
`321598` view save

user output
`321653 13203` view save

Test 21

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`978670626` view save

user output
(empty)

Test 22

Group: 2

Verdict: WRONG ANSWER

input
`200000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...` view save

correct output
`375218` view save

user output
`375218 124367` view save

Test 23

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 0 0 0 0 0 1 0 1 0 1 1 ...` view save

correct output
`60422556` view save

user output
(empty)

Test 24

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`291990` view save

user output
`339597 16943` view save

Test 25

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`59607954` view save

user output
(empty)

Test 26

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`990` view save

user output
`990 15604` view save

Test 27

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`199982` view save

user output
(empty)

Test 28

Group: 1, 2

Verdict: WRONG ANSWER

input
`1000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`7987` view save

user output
`7987 28254` view save

Test 29

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`3137875` view save

user output
(empty)

Test 30

Group: 1, 2

Verdict: TIME LIMIT EXCEEDED

input
`1000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`4657693` view save

user output
(empty)

Test 31

Group: 2

Verdict: TIME LIMIT EXCEEDED

input
`200000 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1652889357` view save

user output
(empty)

Datatähti 2023 alku

Sadonkorjuu

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Tasks

Submissions (qanpi)