oj.uz

Submission #929408

# Submission time Handle Problem Language Result Execution time Memory
929408 2024-02-18T05:27:05 Z ono_de206 Curtains (NOI23_curtains) C++14
24 / 100
 218 ms 21328 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

#define int long long

typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;
// typedef pair<int, int> P;

template<typename T, typename U>
ostream & operator << (ostream &out, const pair<T, U> &c) {
	out << c.first << ' ' << c.second;
	return out;
}

template<typename T>
ostream & operator << (ostream &out, vector<T> &v) {
	const int sz = v.size();
	for (int i = 0; i < sz; i++) {
		if (i) out << ' ';
		out << v[i];
	}
	return out;
}

template<typename T>
istream & operator >> (istream &in, vector<T> &v) {
	for (T &x : v) in >> x;
	return in;
}

template<typename T, typename U>
	istream & operator >> (istream &in, pair<T, U> &c) {
	in >> c.first;
	in >> c.second;
	return in;
}

template<typename T>
void mxx(T &a, T b){if(b > a) a = b;}
template<typename T>
void mnn(T &a, T b){if(b < a) a = b;}

const int mxn = 2010, MXLOG = 22, mod = 1e9 + 7, P = 1181, D = 1523, N = 2500;
const long long inf = 2e18 + 10;
bool can[mxn][mxn];
vector<int> g[mxn];

void go() {
	int n, m, q;
	cin >> n >> m >> q;
	for(int i = 1; i <= m; i++) {
		int l, r;
		cin >> l >> r;
		g[l].pb(r);
	}
	for(int i = 1; i <= n; i++) {
		sort(all(g[i]));
	}
	for(int i = 1; i <= n; i++) {
		int ls = i + 1;
		for(int j = i; j >= 1; j--) {
			int id = lower_bound(all(g[j]), ls - 1) - g[j].begin();
			if(id < g[j].size() && g[j][id] <= i) ls = j;
			if(ls == j) can[j][i] = 1;
		}
	} 
	while(q--) {
		int l, r;
		cin >> l >> r;
		if(can[l][r]) cout << "YES\n";
		else cout << "NO\n";
	}
}

signed main() {
	fast;
	int t = 1;
	// cin >> t;
	while(t--) {
		go();
	}
	return 0;
}

Compilation message

curtains.cpp: In function 'void go()':
curtains.cpp:76:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |    if(id < g[j].size() && g[j][id] <= i) ls = j;
      |       ~~~^~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 11 ms 3536 KB Output is correct
14 Correct 11 ms 3932 KB Output is correct
15 Correct 11 ms 3788 KB Output is correct
16 Correct 10 ms 3572 KB Output is correct
17 Correct 11 ms 3744 KB Output is correct
18 Correct 11 ms 4184 KB Output is correct
19 Correct 9 ms 4184 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 7 ms 4360 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 11 ms 3536 KB Output is correct
14 Correct 11 ms 3932 KB Output is correct
15 Correct 11 ms 3788 KB Output is correct
16 Correct 10 ms 3572 KB Output is correct
17 Correct 11 ms 3744 KB Output is correct
18 Correct 11 ms 4184 KB Output is correct
19 Correct 9 ms 4184 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 7 ms 4360 KB Output is correct
22 Correct 92 ms 9060 KB Output is correct
23 Correct 89 ms 10524 KB Output is correct
24 Correct 119 ms 12860 KB Output is correct
25 Correct 187 ms 21072 KB Output is correct
26 Correct 100 ms 10200 KB Output is correct
27 Correct 218 ms 21328 KB Output is correct
28 Correct 208 ms 21044 KB Output is correct
29 Correct 101 ms 9900 KB Output is correct
30 Correct 79 ms 9220 KB Output is correct
31 Correct 93 ms 10600 KB Output is correct
32 Correct 205 ms 19900 KB Output is correct
33 Correct 76 ms 9656 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 1 ms 2648 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 11 ms 3508 KB Output is correct
6 Correct 9 ms 4188 KB Output is correct
7 Correct 11 ms 4168 KB Output is correct
8 Correct 76 ms 9124 KB Output is correct
9 Correct 85 ms 10456 KB Output is correct
10 Correct 184 ms 20020 KB Output is correct
11 Correct 80 ms 9716 KB Output is correct
12 Runtime error 45 ms 10836 KB Execution killed with signal 11
13 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 11 ms 3536 KB Output is correct
14 Correct 11 ms 3932 KB Output is correct
15 Correct 11 ms 3788 KB Output is correct
16 Correct 10 ms 3572 KB Output is correct
17 Correct 11 ms 3744 KB Output is correct
18 Correct 11 ms 4184 KB Output is correct
19 Correct 9 ms 4184 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 7 ms 4360 KB Output is correct
22 Runtime error 48 ms 11988 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 2652 KB Output is correct
4 Correct 1 ms 2652 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 1 ms 2652 KB Output is correct
7 Correct 1 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2648 KB Output is correct
11 Correct 1 ms 2652 KB Output is correct
12 Correct 1 ms 2652 KB Output is correct
13 Correct 11 ms 3536 KB Output is correct
14 Correct 11 ms 3932 KB Output is correct
15 Correct 11 ms 3788 KB Output is correct
16 Correct 10 ms 3572 KB Output is correct
17 Correct 11 ms 3744 KB Output is correct
18 Correct 11 ms 4184 KB Output is correct
19 Correct 9 ms 4184 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 7 ms 4360 KB Output is correct
22 Correct 92 ms 9060 KB Output is correct
23 Correct 89 ms 10524 KB Output is correct
24 Correct 119 ms 12860 KB Output is correct
25 Correct 187 ms 21072 KB Output is correct
26 Correct 100 ms 10200 KB Output is correct
27 Correct 218 ms 21328 KB Output is correct
28 Correct 208 ms 21044 KB Output is correct
29 Correct 101 ms 9900 KB Output is correct
30 Correct 79 ms 9220 KB Output is correct
31 Correct 93 ms 10600 KB Output is correct
32 Correct 205 ms 19900 KB Output is correct
33 Correct 76 ms 9656 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 1 ms 2648 KB Output is correct
37 Correct 1 ms 2652 KB Output is correct
38 Correct 11 ms 3508 KB Output is correct
39 Correct 9 ms 4188 KB Output is correct
40 Correct 11 ms 4168 KB Output is correct
41 Correct 76 ms 9124 KB Output is correct
42 Correct 85 ms 10456 KB Output is correct
43 Correct 184 ms 20020 KB Output is correct
44 Correct 80 ms 9716 KB Output is correct
45 Runtime error 45 ms 10836 KB Execution killed with signal 11
46 Halted 0 ms 0 KB -