oj.uz

Submission #692395

# Submission time Handle Problem Language Result Execution time Memory
692395 2023-02-01T11:51:20 Z Lextyle Trampoline (info1cup20_trampoline) C++17
100 / 100
 316 ms 28704 KB 
#include <bits/stdc++.h>
#pragma warning(disable : 4996)
#pragma warning(disable : 6031)
#define USACO freopen("moocast.in", "r", stdin); freopen("moocast.out", "w+", stdout)
#define fastIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define ll long long
using namespace std;

ll binpow(ll a, ll x, ll m) {
	ll ans = 1, md = a % m;
	for (int i = 0; i < 63; i++) {
		if (x & ((ll)1 << i)) ans = (ans * md) % m;
		md = (md * md) % m;
	}
	return ans;
}

vector<ll> gcd(ll a, ll b) {
	if (b == 0) {
		return { a, 1, 0 };
	}
	vector<ll> d = gcd(b, a % b);
	return { d[0], d[2], d[1] - d[2] * (a / b) };
}

ll lcm(ll a, ll b) {
	return a * b / gcd(a, b)[0];
}
pair<int, int> p[200000];
int f[200000], binlft[32][200001];

void solve() {
	int r, c, n, T;
	cin >> r >> c >> n;
	for (int i = 0; i < n; i++) cin >> p[i].first >> p[i].second;
	sort(p, p + n);
	for (int i = 0; i < n; i++) {
		int j = lower_bound(p, p + n, pair<int, int>{p[i].first + 1, p[i].second}) - p;
		if (j == n || p[j].first > p[i].first + 1) f[i] = n;
		else f[i] = j;
	}
	for (int i = 0; i < n; i++) binlft[0][i] = f[i];
	for (int i = 0; i <= 30; i++) binlft[i][n] = n;
	for (int k = 1; k <= 30; k++) {
		for (int i = 0; i < n; i++) binlft[k][i] = binlft[k - 1][binlft[k - 1][i]];
	}
	cin >> T;
	while (T--) {
		int x1, y1, x2, y2;
		cin >> x1 >> y1 >> x2 >> y2;
		if (x1 > x2) {
			cout << "No\n";
			continue;
		}
		if (x1 == x2) {
			if (y1 <= y2) cout << "Yes\n";
			else cout << "No\n";
			continue;
		}
		x2--;
		int green = lower_bound(p, p + n, pair<int, int>{ x1, y1 }) - p, dist = x2 - x1;
		if (green == n || p[green].first != x1) {
			cout << "No\n";
			continue;
		}
		for (int bit = 30; bit >= 0; bit--) {
			if (dist & (1 << bit)) green = binlft[bit][green];
		}
		if (green != n && p[green].second <= y2) cout << "Yes\n";
		else cout << "No\n";
	}
}

int main() {
	//USACO;
	fastIO;
	solve();
}

Compilation message

trampoline.cpp:2: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    2 | #pragma warning(disable : 4996)
      | 
trampoline.cpp:3: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    3 | #pragma warning(disable : 6031)
      |

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1620 KB 200 token(s): yes count is 21, no count is 179
2 Correct 4 ms 1876 KB 200 token(s): yes count is 70, no count is 130
3 Correct 3 ms 1496 KB 197 token(s): yes count is 25, no count is 172

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 27312 KB 4000 token(s): yes count is 99, no count is 3901
2 Correct 71 ms 27216 KB 4000 token(s): yes count is 91, no count is 3909
3 Correct 78 ms 27256 KB 4000 token(s): yes count is 4000, no count is 0
4 Correct 72 ms 27344 KB 4000 token(s): yes count is 1991, no count is 2009

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 184 ms 28376 KB 200000 token(s): yes count is 110486, no count is 89514
2 Correct 195 ms 28212 KB 200000 token(s): yes count is 114664, no count is 85336
3 Correct 188 ms 28096 KB 200000 token(s): yes count is 86232, no count is 113768
4 Correct 196 ms 28080 KB 200000 token(s): yes count is 94603, no count is 105397
5 Correct 199 ms 28084 KB 200000 token(s): yes count is 94148, no count is 105852
6 Correct 186 ms 28040 KB 200000 token(s): yes count is 97163, no count is 102837

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 1492 KB 5000 token(s): yes count is 3238, no count is 1762
2 Correct 8 ms 1496 KB 5000 token(s): yes count is 3837, no count is 1163
3 Correct 5 ms 1388 KB 5000 token(s): yes count is 4104, no count is 896
4 Correct 6 ms 1492 KB 5000 token(s): yes count is 3934, no count is 1066
5 Correct 5 ms 1364 KB 5000 token(s): yes count is 3384, no count is 1616
6 Correct 5 ms 1492 KB 5000 token(s): yes count is 3390, no count is 1610

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 275 ms 28704 KB 200000 token(s): yes count is 171404, no count is 28596
2 Correct 285 ms 27984 KB 200000 token(s): yes count is 161254, no count is 38746
3 Correct 191 ms 27872 KB 200000 token(s): yes count is 117455, no count is 82545
4 Correct 316 ms 27868 KB 200000 token(s): yes count is 182118, no count is 17882
5 Correct 208 ms 27856 KB 200000 token(s): yes count is 167565, no count is 32435
6 Correct 192 ms 27928 KB 200000 token(s): yes count is 156797, no count is 43203
7 Correct 190 ms 27916 KB 200000 token(s): yes count is 156797, no count is 43203
8 Correct 205 ms 27824 KB 200000 token(s): yes count is 122100, no count is 77900
9 Correct 275 ms 27948 KB 200000 token(s): yes count is 139670, no count is 60330
10 Correct 281 ms 27928 KB 200000 token(s): yes count is 165806, no count is 34194
11 Correct 278 ms 27940 KB 200000 token(s): yes count is 175646, no count is 24354
12 Correct 191 ms 27808 KB 200000 token(s): yes count is 134695, no count is 65305
13 Correct 183 ms 27792 KB 200000 token(s): yes count is 126733, no count is 73267
14 Correct 264 ms 27920 KB 200000 token(s): yes count is 155290, no count is 44710
15 Correct 184 ms 27816 KB 200000 token(s): yes count is 129674, no count is 70326