oj.uz

Submission #722551

# Submission time Handle Problem Language Result Execution time Memory
722551 2023-04-12T09:33:29 Z ymm Roller Coaster Railroad (IOI16_railroad) C++17
0 / 100
 131 ms 16592 KB 
#include "railroad.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

long long plan_roller_coaster(std::vector<int> s, std::vector<int> t)
{
	int n = s.size();
	set<pii> S;
	Loop (i,0,n)
		S.insert({s[i], i});
	int cnt = 0;
	while (S.size()) {
		int i = S.begin()->second;
		int is = s[i], it = t[i];
		S.erase(S.begin());
		while (is < it) {
			auto p = S.lower_bound(pii{it, INT_MIN});
			if (p == S.end()) {
				++cnt;
				break;
			}
			int j = p->second;
			S.erase(p);
			it = t[j];
		}
	}
	return cnt <= 1;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB answer is not correct: 1 instead of 0
2 Halted 0 ms 0 KB -

Subtask #2
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB answer is not correct: 1 instead of 0
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 131 ms 16592 KB answer is not correct: 1 instead of 0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB answer is not correct: 1 instead of 0
2 Halted 0 ms 0 KB -