oj.uz

Submission #236857

# Submission time Handle Problem Language Result Execution time Memory
236857 2020-06-03T15:14:44 Z kostia244 Tropical Garden (IOI11_garden) C++17
100 / 100
 4720 ms 38064 KB 
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,avx,sse,sse2,ssse3,tune=native,popcnt")
#include "garden.h"
#include "gardenlib.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn = 300500, mlg = 30;
int up[mlg][maxn], cnt[maxn];
void count_routes(int n, int m, int P, int R[][2], int Q, int G[]) {
	memset(cnt, 0, sizeof cnt);
	memset(up, -1, sizeof up);
	for(int i = 0; i < m; i++) {
		int f = R[i][0], t = R[i][1];
		//cout << f << " " << t << " " << i << '\n';
		if(cnt[f] < 2) up[0][2*f + cnt[f]] = 2*t + (cnt[t]==0);//, cout << 2*f + cnt[f] << " -- " << 2*t + (cnt[t]==0) << '\n';
		if(cnt[t] < 2) up[0][2*t + cnt[t]]= 2*f + (cnt[f]==0);//, cout << 2*t + cnt[t] << " -- " << 2*f + (cnt[f]==0) << '\n';
		cnt[f]++, cnt[t]++;
	}
	for(int i = 0; i < 2*n; i++) if(up[0][i] < 0) up[0][i] = up[0][i^1];
	for(int i = 1; i < mlg; i++)
		for(int j = 0; j < 2*n; j++)
			up[i][j] = up[i-1][up[i-1][j]];
	//for(int i = 0; i < 2*n; i++) cout << i << " = " << up[i][0] << "\n";
	for(int I = 0; I < Q; I++) {
		//cout << P << " " << G[I] << '\n';
		int ans = 0;
		for(int i = 0; i < 2*n; i+=2) cnt[i] = i;
		for(int i = 0; i < mlg; i++) {
			if(!((G[I]>>i)&1)) continue;
			for(int j = 0; j < 2*n; j+=2) {
				cnt[j] = up[i][cnt[j]];
			}
		}
		for(int i = 0; i < 2*n; i+=2) ans += cnt[i] == 2*P || cnt[i] == 2*P+1;
		answer(ans);
	}
}

Subtask #1
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 36864 KB Output is correct
2 Correct 23 ms 36856 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 23 ms 36864 KB Output is correct
5 Correct 25 ms 36736 KB Output is correct
6 Correct 24 ms 36864 KB Output is correct
7 Correct 23 ms 36736 KB Output is correct
8 Correct 24 ms 36916 KB Output is correct
9 Correct 25 ms 36864 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 36864 KB Output is correct
2 Correct 23 ms 36856 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 23 ms 36864 KB Output is correct
5 Correct 25 ms 36736 KB Output is correct
6 Correct 24 ms 36864 KB Output is correct
7 Correct 23 ms 36736 KB Output is correct
8 Correct 24 ms 36916 KB Output is correct
9 Correct 25 ms 36864 KB Output is correct
10 Correct 24 ms 36736 KB Output is correct
11 Correct 32 ms 36992 KB Output is correct
12 Correct 40 ms 37248 KB Output is correct
13 Correct 52 ms 37496 KB Output is correct
14 Correct 70 ms 37880 KB Output is correct
15 Correct 75 ms 38008 KB Output is correct
16 Correct 66 ms 37880 KB Output is correct
17 Correct 64 ms 37856 KB Output is correct
18 Correct 43 ms 37240 KB Output is correct
19 Correct 69 ms 37880 KB Output is correct
20 Correct 79 ms 38008 KB Output is correct
21 Correct 66 ms 37880 KB Output is correct
22 Correct 65 ms 37880 KB Output is correct
23 Correct 71 ms 38008 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 36864 KB Output is correct
2 Correct 23 ms 36856 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 23 ms 36864 KB Output is correct
5 Correct 25 ms 36736 KB Output is correct
6 Correct 24 ms 36864 KB Output is correct
7 Correct 23 ms 36736 KB Output is correct
8 Correct 24 ms 36916 KB Output is correct
9 Correct 25 ms 36864 KB Output is correct
10 Correct 24 ms 36736 KB Output is correct
11 Correct 32 ms 36992 KB Output is correct
12 Correct 40 ms 37248 KB Output is correct
13 Correct 52 ms 37496 KB Output is correct
14 Correct 70 ms 37880 KB Output is correct
15 Correct 75 ms 38008 KB Output is correct
16 Correct 66 ms 37880 KB Output is correct
17 Correct 64 ms 37856 KB Output is correct
18 Correct 43 ms 37240 KB Output is correct
19 Correct 69 ms 37880 KB Output is correct
20 Correct 79 ms 38008 KB Output is correct
21 Correct 66 ms 37880 KB Output is correct
22 Correct 65 ms 37880 KB Output is correct
23 Correct 71 ms 38008 KB Output is correct
24 Correct 25 ms 36864 KB Output is correct
25 Correct 401 ms 36992 KB Output is correct
26 Correct 635 ms 37240 KB Output is correct
27 Correct 2164 ms 37552 KB Output is correct
28 Correct 3303 ms 37968 KB Output is correct
29 Correct 3400 ms 38028 KB Output is correct
30 Correct 2182 ms 37924 KB Output is correct
31 Correct 1786 ms 37928 KB Output is correct
32 Correct 666 ms 37368 KB Output is correct
33 Correct 3213 ms 38008 KB Output is correct
34 Correct 3415 ms 38016 KB Output is correct
35 Correct 2310 ms 38064 KB Output is correct
36 Correct 1913 ms 37924 KB Output is correct
37 Correct 3948 ms 38028 KB Output is correct
38 Correct 4720 ms 38024 KB Output is correct