oj.uz

Submission #725358

# Submission time Handle Problem Language Result Execution time Memory
725358 2023-04-17T10:40:14 Z SanguineChameleon Game (APIO22_game) C++17
0 / 100
 23 ms 28940 KB 
#include "game.h"
#include <bits/stdc++.h>
using namespace std;
 
const int maxN = 3e5 + 20;
int block;
int max_in[maxN];
int min_out[maxN];
vector<int> adj1[maxN];
vector<int> adj2[maxN];
bool done = false;
int n, k;
 
void init(int _n, int _k) {
	n = _n;
	k = _k;
	if (n > 30000) {
		block = sqrt(k);
	}
	for (int i = 0; i < k; i++) {
		max_in[i] = (i - 1) / block;
		min_out[i] = i / block;
	}
	for (int i = k; i < n; i++) {
		max_in[i] = -1 / block;
		min_out[i] = k / block;
	}
}
 
void update_in(int u, int val) {
	if (done) {
		return;
	}
	if (val <= max_in[u]) {
		return;
	}
	max_in[u] = val;
	if (max_in[u] >= min_out[u]) {
		done = true;
		return;
	}
	for (auto v: adj1[u]) {
		update_in(v, val);
	}
}
 
void update_out(int u, int val) {
	if (done) {
		return;
	}
	if (val >= min_out[u]) {
		return;
	}
	min_out[u] = val;
	if (max_in[u] >= min_out[u]) {
		done = true;
		return;
	}
	for (auto v: adj2[u]) {
		update_out(v, val);
	}
}
 
int add_teleporter(int u, int v) {
	update_in(v, max(max_in[u], (u < k ? u : -1) / block));
	update_out(u, min_out[v]);
	adj1[u].push_back(v);
	adj2[v].push_back(u);
	return done;
}

Subtask #1
0.0 / 2.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 28940 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 28940 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 28940 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 28940 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 23 ms 28940 KB Execution killed with signal 8
2 Halted 0 ms 0 KB -