Submission #347974

# Submission time Handle Problem Language Result Execution time Memory
347974 2021-01-14T00:45:59 Z shrek12357 trapezoid (balkan11_trapezoid) C++14
45 / 100
500 ms 7760 KB
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <fstream>
#include <queue>
#include <stack>
#include <iomanip>
#include <bitset>
//#include "molecules.h"
using namespace std;
#define ll long long
//cin.tie(0);ios_base::sync_with_stdio(0);

struct s {
	int x, y, x1, y1;
};

bool comp(s a, s b) {
	return min(a.x, a.x1) < min(b.x, b.x1);
}

const int MAXN = 1e5 + 5;

int BIT[MAXN];

void update(int idx, int val) {
	for (; idx < MAXN; idx += idx & -idx) {
		BIT[idx] = max(BIT[idx], val);
	}
}

int query(int idx) {
	int ret = 0;
	for (; idx > 0; idx -= idx & -idx) {
		ret = max(ret, BIT[idx]);
	}
	return ret;
}

int dp[MAXN];
ll ways[MAXN];

const int MOD = 30013;

int main() {
	int n;
	cin >> n;
	vector<pair<pair<int, int>, pair<int, int>>> nums;
	map<int, int> cc;
	vector<int> p;
	for (int i = 0; i < n; i++) {
		int a, b, c, d;
		cin >> a >> b >> c >> d;
		p.push_back(a);
		p.push_back(b);
		p.push_back(c);
		p.push_back(d);
		nums.push_back({ {a, b}, {c, d} });
	}
	sort(p.begin(), p.end());
	sort(nums.begin(), nums.end());
	int cnt = 1;
	for (int i = 0; i < nums.size(); i++) {
		if (cc.find(p[i]) != cc.end()) {
			continue;
		}
		cc[p[i]] = cnt;
		cnt++;
	}
	int ans = 0;
	for (int i = 0; i < n; i++) {
		ways[i] = 1;
		for (int j = 0; j < i; j++) {
			if (nums[j].first.second < nums[i].first.first && nums[j].second.second < nums[i].second.first) {
				if (dp[j] > dp[i]) {
					dp[i] = dp[j];
					ways[i] = ways[j];
				}
				else if (dp[i] == dp[j]) {
					ways[i] = (ways[i] + ways[j])%MOD;
				}
			}
		}
		dp[i]++;
		ans = max(ans, dp[i]);
		//dp[i] = max(dp[i], dp[i - 1]);
	}
	ll tot = 0;
	for (int i = 0; i < n; i++) {
		if (dp[i] == ans) {
			tot = (tot + ways[i])%MOD;
		}
	}
	cout << ans << " " << tot << endl;
}

Compilation message

trapezoid.cpp: In function 'int main()':
trapezoid.cpp:68:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<std::pair<int, int>, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |  for (int i = 0; i < nums.size(); i++) {
      |                  ~~^~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 5 ms 364 KB Output is correct
5 Correct 11 ms 492 KB Output is correct
6 Correct 22 ms 620 KB Output is correct
7 Correct 54 ms 620 KB Output is correct
8 Correct 46 ms 748 KB Output is correct
9 Correct 190 ms 1128 KB Output is correct
10 Execution timed out 1086 ms 1764 KB Time limit exceeded
11 Execution timed out 1085 ms 2812 KB Time limit exceeded
12 Execution timed out 1090 ms 4440 KB Time limit exceeded
13 Execution timed out 1088 ms 5208 KB Time limit exceeded
14 Execution timed out 1095 ms 6120 KB Time limit exceeded
15 Execution timed out 1099 ms 5840 KB Time limit exceeded
16 Execution timed out 1080 ms 6492 KB Time limit exceeded
17 Execution timed out 1085 ms 7076 KB Time limit exceeded
18 Execution timed out 1078 ms 5712 KB Time limit exceeded
19 Execution timed out 1086 ms 7548 KB Time limit exceeded
20 Execution timed out 1082 ms 7760 KB Time limit exceeded