Submission #602104

# Submission time Handle Problem Language Result Execution time Memory
602104 2022-07-22T14:54:22 Z patrikpavic2 Game (APIO22_game) C++17
2 / 100
15 ms 23864 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){
	pos[x] = vr; tocR[x] = 1; kad[x] = tme;
	for(int y : v[x]){
		if(!tocR[y] || kad[y] == SAD) 
			oznaci_nap(y, vr);
		R[x] = min(R[x], R[y]);
	}
}

void oznaci_naz(int x, int vr){
	pos[x] = vr; tocL[x] = 1; kad[x] = tme;
	for(int y : r[x]){
		if(!tocL[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]);
	//printf("pos[ 3 ] = %d   %d\n", pos[3], L[3]);
	//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;
}
# Verdict Execution time Memory Grader output
1 Correct 11 ms 23768 KB Output is correct
2 Correct 13 ms 23840 KB Output is correct
3 Correct 11 ms 23760 KB Output is correct
4 Correct 13 ms 23760 KB Output is correct
5 Correct 12 ms 23760 KB Output is correct
6 Correct 13 ms 23864 KB Output is correct
7 Correct 12 ms 23796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 23768 KB Output is correct
2 Correct 13 ms 23840 KB Output is correct
3 Correct 11 ms 23760 KB Output is correct
4 Correct 13 ms 23760 KB Output is correct
5 Correct 12 ms 23760 KB Output is correct
6 Correct 13 ms 23864 KB Output is correct
7 Correct 12 ms 23796 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 15 ms 23784 KB Output is correct
11 Correct 13 ms 23836 KB Output is correct
12 Correct 12 ms 23840 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23752 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 13 ms 23760 KB Output is correct
17 Incorrect 14 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 11 ms 23768 KB Output is correct
2 Correct 13 ms 23840 KB Output is correct
3 Correct 11 ms 23760 KB Output is correct
4 Correct 13 ms 23760 KB Output is correct
5 Correct 12 ms 23760 KB Output is correct
6 Correct 13 ms 23864 KB Output is correct
7 Correct 12 ms 23796 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 15 ms 23784 KB Output is correct
11 Correct 13 ms 23836 KB Output is correct
12 Correct 12 ms 23840 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23752 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 13 ms 23760 KB Output is correct
17 Incorrect 14 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 11 ms 23768 KB Output is correct
2 Correct 13 ms 23840 KB Output is correct
3 Correct 11 ms 23760 KB Output is correct
4 Correct 13 ms 23760 KB Output is correct
5 Correct 12 ms 23760 KB Output is correct
6 Correct 13 ms 23864 KB Output is correct
7 Correct 12 ms 23796 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 15 ms 23784 KB Output is correct
11 Correct 13 ms 23836 KB Output is correct
12 Correct 12 ms 23840 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23752 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 13 ms 23760 KB Output is correct
17 Incorrect 14 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 11 ms 23768 KB Output is correct
2 Correct 13 ms 23840 KB Output is correct
3 Correct 11 ms 23760 KB Output is correct
4 Correct 13 ms 23760 KB Output is correct
5 Correct 12 ms 23760 KB Output is correct
6 Correct 13 ms 23864 KB Output is correct
7 Correct 12 ms 23796 KB Output is correct
8 Correct 13 ms 23848 KB Output is correct
9 Correct 13 ms 23760 KB Output is correct
10 Correct 15 ms 23784 KB Output is correct
11 Correct 13 ms 23836 KB Output is correct
12 Correct 12 ms 23840 KB Output is correct
13 Correct 12 ms 23760 KB Output is correct
14 Correct 12 ms 23752 KB Output is correct
15 Correct 12 ms 23760 KB Output is correct
16 Correct 13 ms 23760 KB Output is correct
17 Incorrect 14 ms 23760 KB Wrong Answer[1]
18 Halted 0 ms 0 KB -