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Submission #250092

# Submission time Handle Problem Language Result Execution time Memory
250092 2020-07-17T01:54:11 Z shenxy Minerals (JOI19_minerals) C++14
0 / 100
 1 ms 384 KB 
#include "minerals.h"
#include <algorithm>
#include <vector>
using namespace std;
vector<int> firsts, ans;
int lquery = 0;
void recurse(vector<int> &v, int l, int r, bool has = true) {
	if (l != r) {
		int m = (l + r) / 2;
		for (int i = l; i <= m; ++i) lquery = Query(i);
		vector<int> a, b;
		for (int i: v) {
			int x = Query(i);
			if (has == (x != lquery)) a.push_back(i);
			else b.push_back(i);
			if (x != lquery) lquery = x;
		}
		recurse(a, l, m, !has);
		recurse(b, m + 1, r, has);
	} else ans.push_back(v[0]);
}
void Solve(int N) {
	vector<int> duds;
	for (int i = 1; i <= 2 * N; ++i) {
		int x = Query(i);
		if (x != lquery) firsts.push_back(i), lquery = x;
		else duds.push_back(i);
	}
	recurse(duds, 0, N - 1);
	for (int i = 0; i < N; ++i) Answer(firsts[i], ans[i]);
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Wrong Answer [1]
2 Halted 0 ms 0 KB -