CSES - Putka Open 2025 – 2/5

Submission details
Task:	Ryhmät
Sender:	mangolassi
Submission time:	2025-09-27 14:20:32 +0300
Language:	C++ (C++11)
Status:	READY
Result:	0

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

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.00 s	1, 2, 3	details
#3	ACCEPTED	0.00 s	1, 2, 3	details
#4	ACCEPTED	0.00 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	2	details
#7	ACCEPTED	0.03 s	2	details
#8	ACCEPTED	0.07 s	2	details
#9	ACCEPTED	0.00 s	2, 3	details
#10	ACCEPTED	0.03 s	3	details
#11	WRONG ANSWER	0.04 s	3	details
#12	WRONG ANSWER	0.03 s	3	details
#13	ACCEPTED	0.03 s	3	details
#14	ACCEPTED	0.05 s	3	details
#15	ACCEPTED	0.05 s	3	details
#16	ACCEPTED	0.04 s	3	details

Code

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = (int)1e9 + 7;

void solve(const vector<int>& reqs, const vector<int>& caps) {
	int n = (int)reqs.size() - 1;

	int m;
	cin >> m;

	vector<int> ks(m);
	for (int& k : ks) cin >> k;
	sort(ks.begin(), ks.end());

	bool fail = 0;
	ll sum = reqs[ks[0] - 1];
	for (int i = 0; i < m; ++i) {
		int nxt = (i + 1 < m ? ks[i + 1] : n + 1);
		sum += ks[i];

		if (sum > caps[ks[i]]) fail = 1;
		if (nxt > ks[i]) {
			ll add = reqs[nxt - 1] - sum;
			if (add >= 0) sum += add;
		}
	}

	if (fail) cout << "NO" << '\n';
	else cout << "YES" << '\n';
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);

	int n, t;
	cin >> n >> t;
	
	vector<int> reqs(n + 1, 0), caps(n + 1, 0);
	for (int i = 0; i < n; ++i) {
		int a, b;
		cin >> a >> b;
		++reqs[b];
		++caps[a - 1];
	}

	for (int i = 0, sum = 0; i <= n; ++i) {
		sum += reqs[i];
		reqs[i] = sum;
	}
	for (int i = n, sum = 0; i >= 0; --i) {
		sum += caps[i];
		caps[i] = n - sum;
	}

	/*
	for (int i = 0; i <= n; ++i) cerr << reqs[i] << ' '; cerr << '\n';
	for (int i = 0; i <= n; ++i) cerr << caps[i] << ' '; cerr << '\n';
	*/

	for (int ti = 0; ti < t; ++ti) solve(reqs, caps);
}

Test details

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 100 10 10 10 10 6 9 6 8 ...` view save

correct output
`YES YES YES NO YES ...` view save

user output
`YES YES YES NO YES ...` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 100 9 9 6 10 8 10 8 8 ...` view save

correct output
`NO YES NO YES NO ...` view save

user output
`NO YES NO YES NO ...` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 100 1 1 1 1 1 1 1 1 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 100 100 100 100 100 100 100 100 100 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 100 4 9 3 8 7 9 7 9 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 6

Group: 2

Verdict: ACCEPTED

input
`1000 1000 9 10 2 5 10 10 5 5 ...` view save

correct output
`YES YES YES YES NO ...` view save

user output
`YES YES YES YES NO ...` view save

Test 7

Group: 2

Verdict: ACCEPTED

input
`1000 1000 5 7 9 9 3 7 8 10 ...` view save

correct output
`YES NO NO YES YES ...` view save

user output
`YES NO NO YES YES ...` view save

Test 8

Group: 2

Verdict: ACCEPTED

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

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

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

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 10

Group: 3

Verdict: ACCEPTED

input
`100000 1000 774 778 363 852 309 668 261 459 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 11

Group: 3

Verdict: WRONG ANSWER

input
`100000 1000 1233 1914 901 3963 1277 4293 1083 1599 ...` view save

correct output
`NO NO YES NO NO ...` view save

user output
`NO NO YES NO NO ...` view save

Test 12

Group: 3

Verdict: WRONG ANSWER

input
`100000 1000 1970 8631 4606 5797 6317 8162 8204 8789 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`100000 1000 1000 1000 1000 1000 1000 1000 1000 1000 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`100000 100000 1 100000 1 100000 1 100000 1 100000 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`100000 100000 80971 98445 93046 96043 74840 94035 95931 96609 ...` view save

correct output
`NO NO NO NO NO ...` view save

user output
`NO NO NO NO NO ...` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`100000 10000 6481 14350 69129 87600 6217 16462 4387 16625 ...` view save

correct output
`YES YES YES YES YES ...` view save

user output
`YES YES YES YES YES ...` view save

Putka Open 2025 – 2/5

Ryhmät

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

Tasks

Submissions (mangolassi)