oj.uz

답안 #602295

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
602295 2022-07-22T20:51:02 Z patrikpavic2 게임 (APIO22_game) C++17
2 / 100
 14 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 = 100;
 
int n, k, ans;
vector < int > v[N], r[N];
int L[N], R[N], bukL[N], bukR[N], racL[N], racR[N], bio[N], cookie;
 
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] = k;
	for(int i = 0;i < k;i++)
		L[i] = i, R[i] = i, bukL[i] = i / BUK, bukR[i] = i / BUK, racL[i] = 1, racR[i] = 1;
}
 
void buk_noviL(int x, int vr){
	bukL[x] = vr;
	for(int y : v[x]) 
		if(bukL[y] < vr) buk_noviL(y, vr);
}
 
void buk_noviR(int x, int vr){
	bukR[x] = vr;
	for(int y : r[x])
		if(bukR[y] > vr) buk_noviR(y, vr);
}
 
void noviL(int x, int vr){
	L[x] = vr;
	for(int y : v[x]) 
		if(L[y] < vr && bukR[y] <= vr / BUK) noviL(y, vr);
}
 
void stariL(int x){
	if(bio[x] == cookie || racL[x]) return;
	bio[x] = cookie;
	for(int y : r[x]){
		if(bukL[y] < bukL[x]) continue;
		stariL(y); L[x] = max(L[x], L[y]);
	}
	if(bukL[x] == bukR[x]) racL[x] = 1;
}
 
void stariR(int x){
	if(bio[x] == cookie || racR[x]) return;
	bio[x] = cookie;
	for(int y : v[x]){
		if(bukR[y] > bukR[x]) continue;
		stariR(y); R[x] = min(R[x], R[y]);
	}
	if(bukL[x] == bukR[x]) racR[x] = 1;
}
 
void noviR(int x, int vr){
	R[x] = vr;
	for(int y : r[x])
		if(R[y] > vr && bukL[y] >= vr / BUK) noviR(y, vr);
}
 
void update(int a){
	if(bukL[a] == bukR[a] && !racL[a]){
		cookie++; stariL(a); 
	}
	if(bukL[a] == bukR[a] && !racR[a]){	
		cookie++; stariR(a); 
	}
}
 
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, bukL[a]);
	if(bukR[a] > bukR[b]) buk_noviR(a, bukR[b]);
		
	ans |= bukL[a] > bukR[a];
	ans |= bukL[b] > bukR[b];
	update(a); update(b);
	if(L[b] < L[a] && bukR[b] <= L[a] / BUK) noviL(b, L[a]);
	if(R[a] > R[b] && bukL[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;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23844 KB Output is correct
2 Correct 12 ms 23760 KB Output is correct
3 Correct 12 ms 23760 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23860 KB Output is correct
6 Correct 12 ms 23852 KB Output is correct
7 Correct 12 ms 23772 KB Output is correct

Subtask #2
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23844 KB Output is correct
2 Correct 12 ms 23760 KB Output is correct
3 Correct 12 ms 23760 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23860 KB Output is correct
6 Correct 12 ms 23852 KB Output is correct
7 Correct 12 ms 23772 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 12 ms 23836 KB Output is correct
11 Correct 12 ms 23760 KB Output is correct
12 Correct 11 ms 23760 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 14 ms 23760 KB Output is correct
17 Incorrect 12 ms 23812 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23844 KB Output is correct
2 Correct 12 ms 23760 KB Output is correct
3 Correct 12 ms 23760 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23860 KB Output is correct
6 Correct 12 ms 23852 KB Output is correct
7 Correct 12 ms 23772 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 12 ms 23836 KB Output is correct
11 Correct 12 ms 23760 KB Output is correct
12 Correct 11 ms 23760 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 14 ms 23760 KB Output is correct
17 Incorrect 12 ms 23812 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23844 KB Output is correct
2 Correct 12 ms 23760 KB Output is correct
3 Correct 12 ms 23760 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23860 KB Output is correct
6 Correct 12 ms 23852 KB Output is correct
7 Correct 12 ms 23772 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 12 ms 23836 KB Output is correct
11 Correct 12 ms 23760 KB Output is correct
12 Correct 11 ms 23760 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 14 ms 23760 KB Output is correct
17 Incorrect 12 ms 23812 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23844 KB Output is correct
2 Correct 12 ms 23760 KB Output is correct
3 Correct 12 ms 23760 KB Output is correct
4 Correct 12 ms 23760 KB Output is correct
5 Correct 12 ms 23860 KB Output is correct
6 Correct 12 ms 23852 KB Output is correct
7 Correct 12 ms 23772 KB Output is correct
8 Correct 11 ms 23760 KB Output is correct
9 Correct 12 ms 23760 KB Output is correct
10 Correct 12 ms 23836 KB Output is correct
11 Correct 12 ms 23760 KB Output is correct
12 Correct 11 ms 23760 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 14 ms 23760 KB Output is correct
17 Incorrect 12 ms 23812 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -