oj.uz

Submission #116307

# Submission time Handle Problem Language Result Execution time Memory
116307 2019-06-12T07:42:58 Z nvmdava Toy Train (IOI17_train) C++17
100 / 100
 828 ms 1792 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> &a = *(new vector<int>), &r = *(new vector<int>), &u = *(new vector<int>), &v = *(new vector<int>);
int n, m;

vector<int> res, pos, to[5005], fr[5005];

bool in[5005], proc[5005];
int dem[5005];

queue<int> q;
void f(int st){
	memset(in, 0, sizeof in);
	memset(dem, 0, sizeof dem);
	
	for(int i = 0; i < m; i++)
		if(proc[u[i]] | proc[v[i]] == 0)
			dem[u[i]]++;
			
	while(!q.empty()){
		int v = q.front();
		q.pop();
		if(in[v]) continue;
		in[v] = 1;
		for(int x : fr[v]){
			if(proc[x]) continue;
			dem[x]--;
			if(in[x]) continue;
			if(a[x] == st)
				q.push(x);
			else if(!dem[x])
				q.push(x);
		}
	}
}


bool solve(){
//	cerr<<"SOLVE BEGIN\n";
	for(int x : pos)
		if(r[x]) q.push(x);
	f(1);
	
	for(int x : pos)
		if(!in[x]) q.push(x);
	f(0);
	
	bool ret = 0;
	for(int i = pos.size() - 1; i >= 0; i--){
		if(in[pos[i]] == 1){
			proc[pos[i]] = 1;
			swap(pos[i], pos.back());
			pos.pop_back();
			ret = 1;
		}
	}
	return ret;
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	for(int i = (m = u.size()) - 1; i >= 0; i--)
		fr[v[i]].push_back(u[i]);
	
	for(int i = (n = a.size()) - 1; i >= 0; i--)
		pos.push_back(i);
	
	::a = a;
	::r = r;
	::v = v;
	::u = u;
	
	res.resize(n);
	while(solve());
	
	for(int x : pos)
		res[x] = 1;
	
	return res;
}

Compilation message

train.cpp: In function 'void f(int)':
train.cpp:19:30: warning: suggest parentheses around comparison in operand of '|' [-Wparentheses]
   if(proc[u[i]] | proc[v[i]] == 0)
                   ~~~~~~~~~~~^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1152 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 7 ms 1152 KB Output is correct
4 Correct 8 ms 1408 KB Output is correct
5 Correct 7 ms 1152 KB Output is correct
6 Correct 6 ms 1152 KB Output is correct
7 Correct 6 ms 1152 KB Output is correct
8 Correct 6 ms 1152 KB Output is correct
9 Correct 6 ms 1152 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

# Verdict Execution time Memory Grader output
1 Correct 2 ms 640 KB Output is correct
2 Correct 2 ms 640 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 3 ms 640 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 2 ms 640 KB Output is correct
8 Correct 3 ms 640 KB Output is correct
9 Correct 2 ms 512 KB Output is correct
10 Correct 2 ms 640 KB Output is correct
11 Correct 2 ms 512 KB Output is correct
12 Correct 3 ms 640 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 2 ms 640 KB Output is correct
15 Correct 2 ms 640 KB Output is correct
16 Correct 2 ms 640 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
19 Correct 2 ms 640 KB Output is correct
20 Correct 2 ms 640 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 1732 KB Output is correct
2 Correct 184 ms 1716 KB Output is correct
3 Correct 258 ms 1784 KB Output is correct
4 Correct 9 ms 1664 KB Output is correct
5 Correct 10 ms 1664 KB Output is correct
6 Correct 10 ms 1664 KB Output is correct
7 Correct 9 ms 1664 KB Output is correct
8 Correct 10 ms 1664 KB Output is correct
9 Correct 9 ms 1664 KB Output is correct
10 Correct 9 ms 1664 KB Output is correct
11 Correct 9 ms 1536 KB Output is correct
12 Correct 9 ms 1664 KB Output is correct
13 Correct 9 ms 1664 KB Output is correct
14 Correct 9 ms 1792 KB Output is correct
15 Correct 9 ms 1664 KB Output is correct
16 Correct 10 ms 1792 KB Output is correct
17 Correct 9 ms 1664 KB Output is correct
18 Correct 387 ms 1376 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1408 KB Output is correct
2 Correct 9 ms 1512 KB Output is correct
3 Correct 9 ms 1664 KB Output is correct
4 Correct 10 ms 1644 KB Output is correct
5 Correct 18 ms 1628 KB Output is correct
6 Correct 10 ms 1664 KB Output is correct
7 Correct 10 ms 1712 KB Output is correct
8 Correct 10 ms 1664 KB Output is correct
9 Correct 10 ms 1536 KB Output is correct
10 Correct 10 ms 1664 KB Output is correct
11 Correct 10 ms 1664 KB Output is correct
12 Correct 9 ms 1664 KB Output is correct
13 Correct 12 ms 1664 KB Output is correct
14 Correct 10 ms 1664 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1676 KB Output is correct
2 Correct 10 ms 1664 KB Output is correct
3 Correct 11 ms 1636 KB Output is correct
4 Correct 9 ms 1528 KB Output is correct
5 Correct 2 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 7 ms 1280 KB Output is correct
8 Correct 7 ms 1408 KB Output is correct
9 Correct 7 ms 1280 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1152 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 7 ms 1152 KB Output is correct
4 Correct 8 ms 1408 KB Output is correct
5 Correct 7 ms 1152 KB Output is correct
6 Correct 6 ms 1152 KB Output is correct
7 Correct 6 ms 1152 KB Output is correct
8 Correct 6 ms 1152 KB Output is correct
9 Correct 6 ms 1152 KB Output is correct
10 Correct 6 ms 1152 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct
12 Correct 2 ms 640 KB Output is correct
13 Correct 2 ms 640 KB Output is correct
14 Correct 3 ms 640 KB Output is correct
15 Correct 3 ms 640 KB Output is correct
16 Correct 2 ms 512 KB Output is correct
17 Correct 2 ms 640 KB Output is correct
18 Correct 2 ms 640 KB Output is correct
19 Correct 3 ms 640 KB Output is correct
20 Correct 2 ms 512 KB Output is correct
21 Correct 2 ms 640 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 3 ms 640 KB Output is correct
24 Correct 2 ms 640 KB Output is correct
25 Correct 2 ms 640 KB Output is correct
26 Correct 2 ms 640 KB Output is correct
27 Correct 2 ms 640 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 640 KB Output is correct
30 Correct 2 ms 640 KB Output is correct
31 Correct 2 ms 640 KB Output is correct
32 Correct 100 ms 1732 KB Output is correct
33 Correct 184 ms 1716 KB Output is correct
34 Correct 258 ms 1784 KB Output is correct
35 Correct 9 ms 1664 KB Output is correct
36 Correct 10 ms 1664 KB Output is correct
37 Correct 10 ms 1664 KB Output is correct
38 Correct 9 ms 1664 KB Output is correct
39 Correct 10 ms 1664 KB Output is correct
40 Correct 9 ms 1664 KB Output is correct
41 Correct 9 ms 1664 KB Output is correct
42 Correct 9 ms 1536 KB Output is correct
43 Correct 9 ms 1664 KB Output is correct
44 Correct 9 ms 1664 KB Output is correct
45 Correct 9 ms 1792 KB Output is correct
46 Correct 9 ms 1664 KB Output is correct
47 Correct 10 ms 1792 KB Output is correct
48 Correct 9 ms 1664 KB Output is correct
49 Correct 387 ms 1376 KB Output is correct
50 Correct 8 ms 1408 KB Output is correct
51 Correct 9 ms 1512 KB Output is correct
52 Correct 9 ms 1664 KB Output is correct
53 Correct 10 ms 1644 KB Output is correct
54 Correct 18 ms 1628 KB Output is correct
55 Correct 10 ms 1664 KB Output is correct
56 Correct 10 ms 1712 KB Output is correct
57 Correct 10 ms 1664 KB Output is correct
58 Correct 10 ms 1536 KB Output is correct
59 Correct 10 ms 1664 KB Output is correct
60 Correct 10 ms 1664 KB Output is correct
61 Correct 9 ms 1664 KB Output is correct
62 Correct 12 ms 1664 KB Output is correct
63 Correct 10 ms 1664 KB Output is correct
64 Correct 9 ms 1676 KB Output is correct
65 Correct 10 ms 1664 KB Output is correct
66 Correct 11 ms 1636 KB Output is correct
67 Correct 9 ms 1528 KB Output is correct
68 Correct 2 ms 640 KB Output is correct
69 Correct 5 ms 1152 KB Output is correct
70 Correct 7 ms 1280 KB Output is correct
71 Correct 7 ms 1408 KB Output is correct
72 Correct 7 ms 1280 KB Output is correct
73 Correct 4 ms 768 KB Output is correct
74 Correct 6 ms 1280 KB Output is correct
75 Correct 118 ms 1784 KB Output is correct
76 Correct 154 ms 1756 KB Output is correct
77 Correct 217 ms 1756 KB Output is correct
78 Correct 206 ms 1700 KB Output is correct
79 Correct 206 ms 1784 KB Output is correct
80 Correct 10 ms 1664 KB Output is correct
81 Correct 10 ms 1664 KB Output is correct
82 Correct 10 ms 1664 KB Output is correct
83 Correct 11 ms 1792 KB Output is correct
84 Correct 11 ms 1664 KB Output is correct
85 Correct 10 ms 1664 KB Output is correct
86 Correct 12 ms 1664 KB Output is correct
87 Correct 9 ms 1664 KB Output is correct
88 Correct 16 ms 1664 KB Output is correct
89 Correct 12 ms 1664 KB Output is correct
90 Correct 18 ms 1664 KB Output is correct
91 Correct 18 ms 1664 KB Output is correct
92 Correct 33 ms 1664 KB Output is correct
93 Correct 30 ms 1664 KB Output is correct
94 Correct 30 ms 1664 KB Output is correct
95 Correct 33 ms 1664 KB Output is correct
96 Correct 79 ms 1628 KB Output is correct
97 Correct 561 ms 1784 KB Output is correct
98 Correct 777 ms 1656 KB Output is correct
99 Correct 828 ms 1664 KB Output is correct
100 Correct 392 ms 1400 KB Output is correct