oj.uz

Submission #236863

# Submission time Handle Problem Language Result Execution time Memory
236863 2020-06-03T15:20:43 Z kostia244 Tropical Garden (IOI11_garden) C++17
100 / 100
 4794 ms 38136 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;
            #pragma GCC ivdep
			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 36736 KB Output is correct
2 Correct 23 ms 36736 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 27 ms 36736 KB Output is correct
5 Correct 24 ms 36864 KB Output is correct
6 Correct 23 ms 36864 KB Output is correct
7 Correct 23 ms 36856 KB Output is correct
8 Correct 24 ms 36864 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 36736 KB Output is correct
2 Correct 23 ms 36736 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 27 ms 36736 KB Output is correct
5 Correct 24 ms 36864 KB Output is correct
6 Correct 23 ms 36864 KB Output is correct
7 Correct 23 ms 36856 KB Output is correct
8 Correct 24 ms 36864 KB Output is correct
9 Correct 25 ms 36864 KB Output is correct
10 Correct 24 ms 36820 KB Output is correct
11 Correct 30 ms 36984 KB Output is correct
12 Correct 38 ms 37240 KB Output is correct
13 Correct 50 ms 37496 KB Output is correct
14 Correct 71 ms 37860 KB Output is correct
15 Correct 71 ms 38008 KB Output is correct
16 Correct 68 ms 37880 KB Output is correct
17 Correct 67 ms 37880 KB Output is correct
18 Correct 54 ms 37240 KB Output is correct
19 Correct 71 ms 37880 KB Output is correct
20 Correct 72 ms 38012 KB Output is correct
21 Correct 71 ms 37880 KB Output is correct
22 Correct 72 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 36736 KB Output is correct
2 Correct 23 ms 36736 KB Output is correct
3 Correct 24 ms 36864 KB Output is correct
4 Correct 27 ms 36736 KB Output is correct
5 Correct 24 ms 36864 KB Output is correct
6 Correct 23 ms 36864 KB Output is correct
7 Correct 23 ms 36856 KB Output is correct
8 Correct 24 ms 36864 KB Output is correct
9 Correct 25 ms 36864 KB Output is correct
10 Correct 24 ms 36820 KB Output is correct
11 Correct 30 ms 36984 KB Output is correct
12 Correct 38 ms 37240 KB Output is correct
13 Correct 50 ms 37496 KB Output is correct
14 Correct 71 ms 37860 KB Output is correct
15 Correct 71 ms 38008 KB Output is correct
16 Correct 68 ms 37880 KB Output is correct
17 Correct 67 ms 37880 KB Output is correct
18 Correct 54 ms 37240 KB Output is correct
19 Correct 71 ms 37880 KB Output is correct
20 Correct 72 ms 38012 KB Output is correct
21 Correct 71 ms 37880 KB Output is correct
22 Correct 72 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 380 ms 37112 KB Output is correct
26 Correct 636 ms 37264 KB Output is correct
27 Correct 2147 ms 37624 KB Output is correct
28 Correct 3391 ms 37972 KB Output is correct
29 Correct 3421 ms 38028 KB Output is correct
30 Correct 2192 ms 37880 KB Output is correct
31 Correct 1773 ms 38008 KB Output is correct
32 Correct 685 ms 37300 KB Output is correct
33 Correct 3298 ms 38000 KB Output is correct
34 Correct 3466 ms 38136 KB Output is correct
35 Correct 2339 ms 38008 KB Output is correct
36 Correct 1879 ms 37880 KB Output is correct
37 Correct 3941 ms 38008 KB Output is correct
38 Correct 4794 ms 38032 KB Output is correct