oj.uz

Submission #602292

# Submission time Handle Problem Language Result Execution time Memory
602292 2022-07-22T20:48:45 Z patrikpavic2 Game (APIO22_game) C++17
2 / 100
 14 ms 23852 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];
	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]);
	update(a); update(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

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23760 KB Output is correct
2 Correct 11 ms 23724 KB Output is correct
3 Correct 12 ms 23772 KB Output is correct
4 Correct 12 ms 23772 KB Output is correct
5 Correct 13 ms 23852 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 12 ms 23760 KB Output is correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23760 KB Output is correct
2 Correct 11 ms 23724 KB Output is correct
3 Correct 12 ms 23772 KB Output is correct
4 Correct 12 ms 23772 KB Output is correct
5 Correct 13 ms 23852 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 12 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23728 KB Output is correct
10 Correct 12 ms 23760 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23824 KB Output is correct
13 Correct 12 ms 23744 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23760 KB Output is correct
17 Incorrect 12 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23760 KB Output is correct
2 Correct 11 ms 23724 KB Output is correct
3 Correct 12 ms 23772 KB Output is correct
4 Correct 12 ms 23772 KB Output is correct
5 Correct 13 ms 23852 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 12 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23728 KB Output is correct
10 Correct 12 ms 23760 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23824 KB Output is correct
13 Correct 12 ms 23744 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23760 KB Output is correct
17 Incorrect 12 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23760 KB Output is correct
2 Correct 11 ms 23724 KB Output is correct
3 Correct 12 ms 23772 KB Output is correct
4 Correct 12 ms 23772 KB Output is correct
5 Correct 13 ms 23852 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 12 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23728 KB Output is correct
10 Correct 12 ms 23760 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23824 KB Output is correct
13 Correct 12 ms 23744 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23760 KB Output is correct
17 Incorrect 12 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 23760 KB Output is correct
2 Correct 11 ms 23724 KB Output is correct
3 Correct 12 ms 23772 KB Output is correct
4 Correct 12 ms 23772 KB Output is correct
5 Correct 13 ms 23852 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 12 ms 23760 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23728 KB Output is correct
10 Correct 12 ms 23760 KB Output is correct
11 Correct 12 ms 23836 KB Output is correct
12 Correct 12 ms 23824 KB Output is correct
13 Correct 12 ms 23744 KB Output is correct
14 Correct 12 ms 23760 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 12 ms 23760 KB Output is correct
17 Incorrect 12 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -