답안 #602134

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
602134 2022-07-22T15:30:57 Z patrikpavic2 게임 (APIO22_game) C++17
2 / 100
17 ms 23888 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){
	//printf("novi x = %d sa vr = %d\n", x, 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){
	if(pos[x] == -1) {
		pos[x] = vr; 
	}
	tocR[x] = 1; kad[x] = tme;
	for(int y : v[x]){
		if((pos[y] == -1 && bukL[y] == bukR[y]) || kad[y] == SAD) 
			oznaci_nap(y, vr);
		R[x] = min(R[x], R[y]);
	}
}
 
void oznaci_naz(int x, int vr){
	if(pos[x] == -1){ 
		pos[x] = vr; 
	}
	tocL[x] = 1; kad[x] = tme;
	for(int y : r[x]){
		if((pos[y] == -1 && bukL[y] == bukR[y]) || kad[y] == SAD) 
			oznaci_naz(y, vr);
		L[x] = max(L[x], L[y]);
	}
}
 
void update(int a){
	if(pos[a] == -1 && bukL[a] == bukR[a]){
		SAD = -1; tme++; oznaci_nap(a, bukL[a] / BUK);
		SAD = tme; tme++; oznaci_nap(a, bukL[a] / BUK);
		SAD = -1; tme++; oznaci_naz(a, bukL[a] / BUK);
		SAD = tme; tme++; oznaci_naz(a, bukL[a] / BUK);
	}
	if(pos[a] != -1 && !tocR[a]){
		SAD = -1; tme++; oznaci_nap(a, bukL[a] / BUK);
		SAD = tme; tme++; oznaci_nap(a, bukL[a] / BUK);
	}
	if(pos[a] != -1 && !tocL[a]) {
		SAD = -1; tme++; oznaci_naz(a, bukL[a] / BUK);
		SAD = tme; tme++; oznaci_naz(a, bukL[a] / BUK);
	}
}
 
int add_teleporter(int a, int b) {
	//printf("%d --> %d\n", a, 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];
	update(a);
	update(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]);
	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;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23804 KB Output is correct
2 Correct 12 ms 23816 KB Output is correct
3 Correct 15 ms 23764 KB Output is correct
4 Correct 14 ms 23760 KB Output is correct
5 Correct 13 ms 23828 KB Output is correct
6 Correct 17 ms 23744 KB Output is correct
7 Correct 15 ms 23856 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23804 KB Output is correct
2 Correct 12 ms 23816 KB Output is correct
3 Correct 15 ms 23764 KB Output is correct
4 Correct 14 ms 23760 KB Output is correct
5 Correct 13 ms 23828 KB Output is correct
6 Correct 17 ms 23744 KB Output is correct
7 Correct 15 ms 23856 KB Output is correct
8 Correct 15 ms 23796 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 14 ms 23760 KB Output is correct
11 Correct 13 ms 23888 KB Output is correct
12 Correct 15 ms 23808 KB Output is correct
13 Correct 15 ms 23760 KB Output is correct
14 Correct 13 ms 23820 KB Output is correct
15 Correct 14 ms 23864 KB Output is correct
16 Correct 17 ms 23760 KB Output is correct
17 Incorrect 13 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23804 KB Output is correct
2 Correct 12 ms 23816 KB Output is correct
3 Correct 15 ms 23764 KB Output is correct
4 Correct 14 ms 23760 KB Output is correct
5 Correct 13 ms 23828 KB Output is correct
6 Correct 17 ms 23744 KB Output is correct
7 Correct 15 ms 23856 KB Output is correct
8 Correct 15 ms 23796 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 14 ms 23760 KB Output is correct
11 Correct 13 ms 23888 KB Output is correct
12 Correct 15 ms 23808 KB Output is correct
13 Correct 15 ms 23760 KB Output is correct
14 Correct 13 ms 23820 KB Output is correct
15 Correct 14 ms 23864 KB Output is correct
16 Correct 17 ms 23760 KB Output is correct
17 Incorrect 13 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23804 KB Output is correct
2 Correct 12 ms 23816 KB Output is correct
3 Correct 15 ms 23764 KB Output is correct
4 Correct 14 ms 23760 KB Output is correct
5 Correct 13 ms 23828 KB Output is correct
6 Correct 17 ms 23744 KB Output is correct
7 Correct 15 ms 23856 KB Output is correct
8 Correct 15 ms 23796 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 14 ms 23760 KB Output is correct
11 Correct 13 ms 23888 KB Output is correct
12 Correct 15 ms 23808 KB Output is correct
13 Correct 15 ms 23760 KB Output is correct
14 Correct 13 ms 23820 KB Output is correct
15 Correct 14 ms 23864 KB Output is correct
16 Correct 17 ms 23760 KB Output is correct
17 Incorrect 13 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23804 KB Output is correct
2 Correct 12 ms 23816 KB Output is correct
3 Correct 15 ms 23764 KB Output is correct
4 Correct 14 ms 23760 KB Output is correct
5 Correct 13 ms 23828 KB Output is correct
6 Correct 17 ms 23744 KB Output is correct
7 Correct 15 ms 23856 KB Output is correct
8 Correct 15 ms 23796 KB Output is correct
9 Correct 14 ms 23760 KB Output is correct
10 Correct 14 ms 23760 KB Output is correct
11 Correct 13 ms 23888 KB Output is correct
12 Correct 15 ms 23808 KB Output is correct
13 Correct 15 ms 23760 KB Output is correct
14 Correct 13 ms 23820 KB Output is correct
15 Correct 14 ms 23864 KB Output is correct
16 Correct 17 ms 23760 KB Output is correct
17 Incorrect 13 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -