oj.uz

답안 #289121

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
289121 2020-09-02T11:25:58 Z _7_7_ 장난감 기차 (IOI17_train) C++14
100 / 100
 620 ms 2048 KB 
#include "train.h"
#include <bits/stdc++.h>                                           
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace std;
using namespace __gnu_pbds;
 
//#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
 
 
typedef pair < long long, long long > pll;    
typedef pair < int, int > pii;  
typedef unsigned long long ull;         
typedef vector < pii > vpii;                                   	
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;
 
typedef tree < int, null_type, less < int >, rb_tree_tag, tree_order_statistics_node_update > ordered_set;
 
const int inf = 1e9, maxn = 2e5 + 48, mod = 998244353, N = 5012;
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 300;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = acos(-1);
const ll INF = 1e18;


int n, cnt[N], m, ok, a[N], r[N], v[N*5], u[N*5];
bool was[N], was1[N];
queue < int > q;
vi g[N], gr[N];



vi who_wins(vi A, vi R, vi U, vi V) {
	n = sz(A);
	m = sz(V);
	
	for (int i = 0; i < n; ++i) {
		a[i] = A[i]; 
		r[i] = R[i];
	}

	for (int i = 0; i < m; ++i) {
		v[i] = V[i];
		u[i] = U[i];
	}



	for (int i = 0; i < m; ++i) {
		g[u[i]].pb(v[i]);	      
		gr[v[i]].pb(u[i]);
	}

	bool run;
	do {
		run = 0;
		for (int i = 0; i < n; ++i) {
			was1[i] = 0;
			if (!was[i] && r[i])  {
				q.push(i);          
				was1[i] = 1;
			}

			cnt[i] = !a[i] ? sz(g[i]) : 1;
		}


		while (sz(q)) {
			int v = q.front();
			q.pop();
			for (auto to : gr[v]) {
				--cnt[to];
//				cerr << to << endl;
				if (!was[to] && !was1[to] && !cnt[to]) {
					q.push(to);
					was1[to] = 1;
				}
			}
		}

		for (int i = 0; i < n; ++i) {
			if (!was1[i] && !was[i]) {
				q.push(i);
				was[i] = 1;
			}
			cnt[i] = a[i] ? sz(g[i]) : 1;		
		}
		
		while (sz(q)) {
			run = 1;
			int v = q.front();
			q.pop();
			for (auto to : gr[v]) {
				--cnt[to];
				if (!was[to] && !cnt[to]) {
					q.push(to);
					was[to] = 1;
				}
			}
		}

		for (int i = 0; i < n; ++i)
			if (!was[i]) 
				for (int j = 0; j < sz(g[i]); ++j)
					if (was[g[i][j]]) {
						swap(g[i][j], g[i].back());
						g[i].ppb();
						--j;
					}
			
	} while (run);

	vi ans;
	for (int i = 0; i < n; ++i)
		ans.pb(was[i]^1);

	return ans;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1280 KB Output is correct
2 Correct 7 ms 1280 KB Output is correct
3 Correct 7 ms 1280 KB Output is correct
4 Correct 7 ms 1280 KB Output is correct
5 Correct 7 ms 1280 KB Output is correct
6 Correct 6 ms 1280 KB Output is correct
7 Correct 6 ms 1280 KB Output is correct
8 Correct 6 ms 1280 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 640 KB Output is correct
2 Correct 1 ms 640 KB Output is correct
3 Correct 1 ms 640 KB Output is correct
4 Correct 1 ms 640 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 1 ms 640 KB Output is correct
7 Correct 1 ms 640 KB Output is correct
8 Correct 1 ms 640 KB Output is correct
9 Correct 1 ms 640 KB Output is correct
10 Correct 1 ms 640 KB Output is correct
11 Correct 1 ms 640 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 1 ms 640 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 1 ms 640 KB Output is correct
19 Correct 1 ms 640 KB Output is correct
20 Correct 1 ms 640 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 138 ms 1784 KB Output is correct
2 Correct 270 ms 1784 KB Output is correct
3 Correct 360 ms 1664 KB Output is correct
4 Correct 11 ms 1664 KB Output is correct
5 Correct 12 ms 1920 KB Output is correct
6 Correct 11 ms 1920 KB Output is correct
7 Correct 11 ms 1920 KB Output is correct
8 Correct 11 ms 1920 KB Output is correct
9 Correct 10 ms 1792 KB Output is correct
10 Correct 11 ms 1792 KB Output is correct
11 Correct 10 ms 1792 KB Output is correct
12 Correct 9 ms 1792 KB Output is correct
13 Correct 11 ms 1920 KB Output is correct
14 Correct 11 ms 1920 KB Output is correct
15 Correct 10 ms 1920 KB Output is correct
16 Correct 12 ms 1920 KB Output is correct
17 Correct 10 ms 1920 KB Output is correct
18 Correct 440 ms 1408 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 1408 KB Output is correct
2 Correct 10 ms 1664 KB Output is correct
3 Correct 10 ms 1920 KB Output is correct
4 Correct 11 ms 1824 KB Output is correct
5 Correct 12 ms 1920 KB Output is correct
6 Correct 11 ms 1792 KB Output is correct
7 Correct 10 ms 1792 KB Output is correct
8 Correct 10 ms 1792 KB Output is correct
9 Correct 10 ms 1792 KB Output is correct
10 Correct 11 ms 1920 KB Output is correct
11 Correct 11 ms 1920 KB Output is correct
12 Correct 11 ms 1920 KB Output is correct
13 Correct 11 ms 1920 KB Output is correct
14 Correct 10 ms 1792 KB Output is correct

Subtask #5
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 1664 KB Output is correct
2 Correct 11 ms 1920 KB Output is correct
3 Correct 11 ms 1920 KB Output is correct
4 Correct 10 ms 1792 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 5 ms 1280 KB Output is correct
7 Correct 7 ms 1408 KB Output is correct
8 Correct 8 ms 1536 KB Output is correct
9 Correct 7 ms 1408 KB Output is correct
10 Correct 2 ms 884 KB Output is correct
11 Correct 10 ms 1408 KB Output is correct

Subtask #6
51.0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 1280 KB Output is correct
2 Correct 7 ms 1280 KB Output is correct
3 Correct 7 ms 1280 KB Output is correct
4 Correct 7 ms 1280 KB Output is correct
5 Correct 7 ms 1280 KB Output is correct
6 Correct 6 ms 1280 KB Output is correct
7 Correct 6 ms 1280 KB Output is correct
8 Correct 6 ms 1280 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct
12 Correct 1 ms 640 KB Output is correct
13 Correct 1 ms 640 KB Output is correct
14 Correct 1 ms 640 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 640 KB Output is correct
17 Correct 1 ms 640 KB Output is correct
18 Correct 1 ms 640 KB Output is correct
19 Correct 1 ms 640 KB Output is correct
20 Correct 1 ms 640 KB Output is correct
21 Correct 1 ms 640 KB Output is correct
22 Correct 1 ms 640 KB Output is correct
23 Correct 1 ms 640 KB Output is correct
24 Correct 1 ms 640 KB Output is correct
25 Correct 1 ms 640 KB Output is correct
26 Correct 1 ms 640 KB Output is correct
27 Correct 1 ms 640 KB Output is correct
28 Correct 1 ms 640 KB Output is correct
29 Correct 1 ms 640 KB Output is correct
30 Correct 1 ms 640 KB Output is correct
31 Correct 1 ms 640 KB Output is correct
32 Correct 138 ms 1784 KB Output is correct
33 Correct 270 ms 1784 KB Output is correct
34 Correct 360 ms 1664 KB Output is correct
35 Correct 11 ms 1664 KB Output is correct
36 Correct 12 ms 1920 KB Output is correct
37 Correct 11 ms 1920 KB Output is correct
38 Correct 11 ms 1920 KB Output is correct
39 Correct 11 ms 1920 KB Output is correct
40 Correct 10 ms 1792 KB Output is correct
41 Correct 11 ms 1792 KB Output is correct
42 Correct 10 ms 1792 KB Output is correct
43 Correct 9 ms 1792 KB Output is correct
44 Correct 11 ms 1920 KB Output is correct
45 Correct 11 ms 1920 KB Output is correct
46 Correct 10 ms 1920 KB Output is correct
47 Correct 12 ms 1920 KB Output is correct
48 Correct 10 ms 1920 KB Output is correct
49 Correct 440 ms 1408 KB Output is correct
50 Correct 9 ms 1408 KB Output is correct
51 Correct 10 ms 1664 KB Output is correct
52 Correct 10 ms 1920 KB Output is correct
53 Correct 11 ms 1824 KB Output is correct
54 Correct 12 ms 1920 KB Output is correct
55 Correct 11 ms 1792 KB Output is correct
56 Correct 10 ms 1792 KB Output is correct
57 Correct 10 ms 1792 KB Output is correct
58 Correct 10 ms 1792 KB Output is correct
59 Correct 11 ms 1920 KB Output is correct
60 Correct 11 ms 1920 KB Output is correct
61 Correct 11 ms 1920 KB Output is correct
62 Correct 11 ms 1920 KB Output is correct
63 Correct 10 ms 1792 KB Output is correct
64 Correct 11 ms 1664 KB Output is correct
65 Correct 11 ms 1920 KB Output is correct
66 Correct 11 ms 1920 KB Output is correct
67 Correct 10 ms 1792 KB Output is correct
68 Correct 1 ms 640 KB Output is correct
69 Correct 5 ms 1280 KB Output is correct
70 Correct 7 ms 1408 KB Output is correct
71 Correct 8 ms 1536 KB Output is correct
72 Correct 7 ms 1408 KB Output is correct
73 Correct 2 ms 884 KB Output is correct
74 Correct 10 ms 1408 KB Output is correct
75 Correct 178 ms 1912 KB Output is correct
76 Correct 289 ms 1912 KB Output is correct
77 Correct 397 ms 1912 KB Output is correct
78 Correct 399 ms 1916 KB Output is correct
79 Correct 399 ms 1912 KB Output is correct
80 Correct 11 ms 1920 KB Output is correct
81 Correct 11 ms 1920 KB Output is correct
82 Correct 12 ms 1920 KB Output is correct
83 Correct 13 ms 2048 KB Output is correct
84 Correct 12 ms 1920 KB Output is correct
85 Correct 11 ms 1920 KB Output is correct
86 Correct 14 ms 1920 KB Output is correct
87 Correct 11 ms 1920 KB Output is correct
88 Correct 15 ms 1920 KB Output is correct
89 Correct 12 ms 1920 KB Output is correct
90 Correct 19 ms 1920 KB Output is correct
91 Correct 17 ms 1920 KB Output is correct
92 Correct 28 ms 1912 KB Output is correct
93 Correct 28 ms 1920 KB Output is correct
94 Correct 30 ms 1920 KB Output is correct
95 Correct 31 ms 1912 KB Output is correct
96 Correct 90 ms 1784 KB Output is correct
97 Correct 357 ms 1912 KB Output is correct
98 Correct 604 ms 1912 KB Output is correct
99 Correct 620 ms 1912 KB Output is correct
100 Correct 450 ms 1528 KB Output is correct