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Submission #839916

# Submission time Handle Problem Language Result Execution time Memory
839916 2023-08-30T21:01:11 Z Alihan_8 Cave (IOI13_cave) C++17
0 / 100
 2 ms 596 KB 
#include "cave.h"

#include <bits/stdc++.h>

using namespace std;

#define all(x) x.begin(), x.end()
#define pb push_back

using i64 = long long;

template <typename _F, typename _S>
bool chmax(_F &u, const _S &v){
	bool flag = false;
	if ( u < v ){
		u = v;
		flag = true;
	}
	return flag;
}

template <typename _F, typename _S>
bool chmin(_F &u, const _S &v){
	bool flag = false;
	if ( u > v ){
		u = v;
		flag = true;
	}
	return flag;
}

void exploreCave(int n) {
	int ans[n], p[n];
	memset(ans, -1, sizeof(ans));
	for ( int i = 0; i < n; i++ ){
		vector <int> a;
		for ( int j = 0; j < n; j++ ){
			if ( ans[j] == -1 ){
				a.pb(j);
			}
		}
		int m = (int)a.size(), l = 0, r = m - 1;
		bool flag = false;
		while ( l <= r ){
			int md = (l + r) >> 1;
			auto L = ans, R = ans;
			for ( int i = l; i <= md; i++ ) L[a[i]] = 0;
			for ( int i = l; i <= md; i++ ) R[a[i]] = 1;
			for ( int i = 0; i < n; i++ ){
				chmax(L[i], 0);
				chmax(R[i], 0);
			}
			int a_l = tryCombination(L), a_r = tryCombination(R);
			if ( a_l == a_r ) l = md + 1;
			else{
				if ( l == md ){
					flag = a_l > a_r;
					break;
				}
				else r = md;
			}
		}
		l = a[l];
		ans[l] = flag;
		p[l] = i;
	}
	answer(ans, p);
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 596 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 596 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 596 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -