oj.uz

답안 #602078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
602078 2022-07-22T14:33:28 Z patrikpavic2 게임 (APIO22_game) C++17
2 / 100
 16 ms 23860 KB 
#include "game.h"
#include <vector>
#include <cstdio>
#define PB push_back
 
using namespace std;
 
const int N = 5e5 + 500;
const int BUK = 400;
 
int n, k, ans;
vector < int > v[N], r[N];
int L[N], R[N], bukL[N], bukR[N], pos[N], kad[N], tme, SAD, tocL[N], tocR[N];
 
void init(int _n, int _k) {
	n = _n, k = _k;
	for(int i = 0;i < n;i++)
		L[i] = -1, R[i] = n, bukL[i] = -1, bukR[i] = n, pos[i] = -1;
	for(int i = 0;i < k;i++)
		L[i] = i, R[i] = i, bukL[i] = i / BUK, bukR[i] = i / BUK, pos[i] = i / BUK, tocL[i] = 1, tocR[i] = 1;
}

void buk_noviL(int x, int vr){
	bukL[x] = vr / BUK;
	for(int y : v[x]) 
		if(bukL[y] < vr / BUK) buk_noviL(y, vr);
}

void buk_noviR(int x, int vr){
	bukR[x] = vr / BUK;
	for(int y : r[x])
		if(bukR[y] > vr / BUK) buk_noviR(y, vr);
}
 
void noviL(int x, int vr){
	L[x] = vr;
	for(int y : v[x]) 
		if(L[y] < vr && pos[y] == vr / BUK) noviL(y, vr);
}
 
void noviR(int x, int vr){
	R[x] = vr;
	for(int y : r[x])
		if(R[y] > vr && pos[y] == vr / BUK) noviR(y, vr);
}

void oznaci_nap(int x, int vr){
	pos[x] = vr; tocR[x] = 1;
	for(int y : v[x]){
		if(pos[y] == -1 || !tocR[y]) 
			oznaci_nap(y, vr);
		R[x] = min(R[x], R[y]);
	}
}

void oznaci_naz(int x, int vr){
	pos[x] = vr; tocL[x] = 1;
	for(int y : r[x]){
		if(pos[y] == -1 || !tocL[y]) 
			oznaci_naz(y, vr);
		L[x] = max(L[x], L[y]);
	}
}

 
int add_teleporter(int a, int b) {
	v[a].PB(b), r[b].PB(a);
	if(a == b && a < k) ans = 1;
	if(bukL[b] < bukL[a]) buk_noviL(b, L[a]);
	if(bukR[a] > bukR[b]) buk_noviR(a, R[b]);
	ans |= bukL[a] > bukR[a];
	ans |= bukL[b] > bukR[b];
	if(pos[a] == -1 && bukL[a] == bukR[a]){
		oznaci_nap(a, bukL[a] / BUK);
		oznaci_naz(a, bukL[a] / BUK);
	}
	if(pos[a] != -1 && !tocR[a]) oznaci_nap(a, pos[a]);
	if(pos[a] != -1 && !tocL[a]) oznaci_naz(a, pos[a]);
	if(pos[b] == -1 && bukL[b] == bukR[b]){
		oznaci_nap(b, bukL[b] / BUK);
		oznaci_naz(b, bukL[b] / BUK);
	}
	if(pos[b] != -1 && !tocR[b]) oznaci_nap(b, pos[b]);
	if(pos[b] != -1 && !tocL[b]) oznaci_naz(b, pos[b]);
	if(L[b] < L[a] && pos[b] == L[a] / BUK) noviL(b, L[a]);
	if(R[a] > R[b] && pos[a] == R[b] / BUK) noviR(a, R[b]);
	//printf("a = %d : L %d R %d pos %d\n", a, L[a], R[a], pos[a]);
	//printf("b = %d : L %d R %d pos %d\n", b, L[b], R[b], pos[b]);
	if(a >= k) ans |= L[a] == R[a];
	if(b >= k) ans |= L[b] == R[b];
	ans |= L[a] > R[a];
	ans |= L[b] > R[b];
	return ans;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23760 KB Output is correct
2 Correct 16 ms 23752 KB Output is correct
3 Correct 12 ms 23828 KB Output is correct
4 Correct 13 ms 23752 KB Output is correct
5 Correct 15 ms 23804 KB Output is correct
6 Correct 12 ms 23752 KB Output is correct
7 Correct 12 ms 23860 KB Output is correct

Subtask #2
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23760 KB Output is correct
2 Correct 16 ms 23752 KB Output is correct
3 Correct 12 ms 23828 KB Output is correct
4 Correct 13 ms 23752 KB Output is correct
5 Correct 15 ms 23804 KB Output is correct
6 Correct 12 ms 23752 KB Output is correct
7 Correct 12 ms 23860 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 11 ms 23776 KB Output is correct
11 Correct 11 ms 23760 KB Output is correct
12 Correct 12 ms 23760 KB Output is correct
13 Incorrect 12 ms 23760 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23760 KB Output is correct
2 Correct 16 ms 23752 KB Output is correct
3 Correct 12 ms 23828 KB Output is correct
4 Correct 13 ms 23752 KB Output is correct
5 Correct 15 ms 23804 KB Output is correct
6 Correct 12 ms 23752 KB Output is correct
7 Correct 12 ms 23860 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 11 ms 23776 KB Output is correct
11 Correct 11 ms 23760 KB Output is correct
12 Correct 12 ms 23760 KB Output is correct
13 Incorrect 12 ms 23760 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23760 KB Output is correct
2 Correct 16 ms 23752 KB Output is correct
3 Correct 12 ms 23828 KB Output is correct
4 Correct 13 ms 23752 KB Output is correct
5 Correct 15 ms 23804 KB Output is correct
6 Correct 12 ms 23752 KB Output is correct
7 Correct 12 ms 23860 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 11 ms 23776 KB Output is correct
11 Correct 11 ms 23760 KB Output is correct
12 Correct 12 ms 23760 KB Output is correct
13 Incorrect 12 ms 23760 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 23760 KB Output is correct
2 Correct 16 ms 23752 KB Output is correct
3 Correct 12 ms 23828 KB Output is correct
4 Correct 13 ms 23752 KB Output is correct
5 Correct 15 ms 23804 KB Output is correct
6 Correct 12 ms 23752 KB Output is correct
7 Correct 12 ms 23860 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 11 ms 23776 KB Output is correct
11 Correct 11 ms 23760 KB Output is correct
12 Correct 12 ms 23760 KB Output is correct
13 Incorrect 12 ms 23760 KB Wrong Answer[1]
14 Halted 0 ms 0 KB -