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Submission #124231

# Submission time Handle Problem Language Result Execution time Memory
124231 2019-07-02T20:28:39 Z KieranHorgan Dancing Elephants (IOI11_elephants) C++17
26 / 100
 9000 ms 2552 KB 
#include "elephants.h"
#include <bits/stdc++.h>
using namespace std;

int n;
vector<int> a;

vector<int> isABegin;
vector<pair<int,int>> listOfBegins;

set<pair<int,int>> pos;
int L;
void init(int N, int L_, int X[]) {
	L = L_;
	n = N;
	a.resize(n);
	isABegin.resize(n);
	for(int i = 0; i < n; i++) {
		a[i] = X[i];
		pos.insert({a[i], i});
	}
}

bool first = 1;
int update(int i, int y) {
	pos.erase(make_pair(a[i], i));
	a[i] = y;
	pos.insert(make_pair(a[i], i));


	auto it = pos.begin();
	int l = it->first + L+1;
	int ans = 1;

	for(auto p: pos) {
		int i = p.second;
		int x = p.first;
		if(x >= l) {
			l = x + L + 1;
			ans++;
		}
	}
	return ans;
}

Compilation message

elephants.cpp: In function 'int update(int, int)':
elephants.cpp:36:7: warning: unused variable 'i' [-Wunused-variable]
   int i = p.second;
       ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Execution timed out 9030 ms 2552 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Execution timed out 9030 ms 2552 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #5
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Execution timed out 9030 ms 2552 KB Time limit exceeded
8 Halted 0 ms 0 KB -