Submission #239279

# Submission time Handle Problem Language Result Execution time Memory
239279 2020-06-15T07:50:11 Z lyc Toy Train (IOI17_train) C++14
100 / 100
755 ms 1528 KB
#include "train.h"
#include <bits/stdc++.h>
using namespace std;

#define TRACE(x) cout << #x << " :: " << x << endl;
#define _ << " " <<
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for(int i=(a);i>=(b);--i)
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()

const int mxN = 5005;
int N, M;
vector<int> al[mxN];
int deg[mxN], f[mxN];

void calc(bool o, vector<int>& S, vector<int>& a, vector<int>& res) {
    queue<int> q;
    fill_n(deg,N,0);
    memset(f,-1,sizeof f);
    FOR(i,0,N-1) if (res[i] == -1) {
        for (int v : al[i]) if (res[v] == -1) ++deg[v];
    }
    for (auto& x : S) f[x] = 1, q.push(x);
    while (!q.empty()) {
        int x = q.front(); q.pop();
        if (f[x]) {
            for (int y : al[x]) if (res[y] == -1 && f[y] == -1) {
                if ((a[y] == o) || (--deg[y] == 0)) f[y] = 1, q.push(y);
            }
        } else {
            for (int y : al[x]) if (res[y] == -1 && f[y] == -1) {
                if ((a[y] != o) || (--deg[y] == 0)) f[y] = 0, q.push(y);
            }
        }
    }
}

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    N = SZ(a), M = SZ(u);
    FOR(i,0,M-1){
        al[v[i]].push_back(u[i]);
    }
	vector<int> res(N,-1);
    while (true) {
        vector<int> S;
        FOR(i,0,N-1) if (res[i] == -1 && r[i]) S.push_back(i);
        calc(1,S,a,res);
        vector<int> T;
        FOR(i,0,N-1) if (res[i] == -1 && f[i] != 1) T.push_back(i);
        if (T.empty()) break;
        if (!T.empty()) {
            calc(0,T,a,res);
            FOR(i,0,N-1) if (res[i] == -1 && f[i] == 1) res[i] = 0;
        }
    }
	for (int i = 0; i < N; i++) {
        if (res[i] == -1) res[i] = 1;
    }
	return res;
}
# Verdict Execution time Memory Grader output
1 Correct 9 ms 896 KB Output is correct
2 Correct 10 ms 1024 KB Output is correct
3 Correct 10 ms 1024 KB Output is correct
4 Correct 10 ms 1024 KB Output is correct
5 Correct 9 ms 896 KB Output is correct
6 Correct 9 ms 896 KB Output is correct
7 Correct 9 ms 896 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 9 ms 896 KB Output is correct
10 Correct 9 ms 896 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 512 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 4 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 512 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 185 ms 1152 KB Output is correct
2 Correct 343 ms 1272 KB Output is correct
3 Correct 456 ms 1272 KB Output is correct
4 Correct 13 ms 1024 KB Output is correct
5 Correct 14 ms 1152 KB Output is correct
6 Correct 14 ms 1152 KB Output is correct
7 Correct 12 ms 1152 KB Output is correct
8 Correct 12 ms 1152 KB Output is correct
9 Correct 12 ms 1152 KB Output is correct
10 Correct 12 ms 1024 KB Output is correct
11 Correct 12 ms 1024 KB Output is correct
12 Correct 12 ms 1152 KB Output is correct
13 Correct 12 ms 1152 KB Output is correct
14 Correct 12 ms 1408 KB Output is correct
15 Correct 12 ms 1280 KB Output is correct
16 Correct 12 ms 1408 KB Output is correct
17 Correct 12 ms 1280 KB Output is correct
18 Correct 524 ms 1024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 1024 KB Output is correct
2 Correct 12 ms 1280 KB Output is correct
3 Correct 12 ms 1408 KB Output is correct
4 Correct 13 ms 1404 KB Output is correct
5 Correct 13 ms 1408 KB Output is correct
6 Correct 13 ms 1408 KB Output is correct
7 Correct 13 ms 1280 KB Output is correct
8 Correct 12 ms 1280 KB Output is correct
9 Correct 12 ms 1280 KB Output is correct
10 Correct 12 ms 1408 KB Output is correct
11 Correct 12 ms 1408 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 14 ms 1408 KB Output is correct
14 Correct 12 ms 1280 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 13 ms 1152 KB Output is correct
2 Correct 13 ms 1280 KB Output is correct
3 Correct 13 ms 1280 KB Output is correct
4 Correct 11 ms 1280 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 9 ms 896 KB Output is correct
7 Correct 10 ms 1024 KB Output is correct
8 Correct 10 ms 1148 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 6 ms 640 KB Output is correct
11 Correct 10 ms 1024 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 9 ms 896 KB Output is correct
2 Correct 10 ms 1024 KB Output is correct
3 Correct 10 ms 1024 KB Output is correct
4 Correct 10 ms 1024 KB Output is correct
5 Correct 9 ms 896 KB Output is correct
6 Correct 9 ms 896 KB Output is correct
7 Correct 9 ms 896 KB Output is correct
8 Correct 10 ms 896 KB Output is correct
9 Correct 9 ms 896 KB Output is correct
10 Correct 9 ms 896 KB Output is correct
11 Correct 8 ms 896 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 512 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 4 ms 512 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 512 KB Output is correct
24 Correct 5 ms 512 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 512 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 5 ms 512 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 185 ms 1152 KB Output is correct
33 Correct 343 ms 1272 KB Output is correct
34 Correct 456 ms 1272 KB Output is correct
35 Correct 13 ms 1024 KB Output is correct
36 Correct 14 ms 1152 KB Output is correct
37 Correct 14 ms 1152 KB Output is correct
38 Correct 12 ms 1152 KB Output is correct
39 Correct 12 ms 1152 KB Output is correct
40 Correct 12 ms 1152 KB Output is correct
41 Correct 12 ms 1024 KB Output is correct
42 Correct 12 ms 1024 KB Output is correct
43 Correct 12 ms 1152 KB Output is correct
44 Correct 12 ms 1152 KB Output is correct
45 Correct 12 ms 1408 KB Output is correct
46 Correct 12 ms 1280 KB Output is correct
47 Correct 12 ms 1408 KB Output is correct
48 Correct 12 ms 1280 KB Output is correct
49 Correct 524 ms 1024 KB Output is correct
50 Correct 11 ms 1024 KB Output is correct
51 Correct 12 ms 1280 KB Output is correct
52 Correct 12 ms 1408 KB Output is correct
53 Correct 13 ms 1404 KB Output is correct
54 Correct 13 ms 1408 KB Output is correct
55 Correct 13 ms 1408 KB Output is correct
56 Correct 13 ms 1280 KB Output is correct
57 Correct 12 ms 1280 KB Output is correct
58 Correct 12 ms 1280 KB Output is correct
59 Correct 12 ms 1408 KB Output is correct
60 Correct 12 ms 1408 KB Output is correct
61 Correct 13 ms 1408 KB Output is correct
62 Correct 14 ms 1408 KB Output is correct
63 Correct 12 ms 1280 KB Output is correct
64 Correct 13 ms 1152 KB Output is correct
65 Correct 13 ms 1280 KB Output is correct
66 Correct 13 ms 1280 KB Output is correct
67 Correct 11 ms 1280 KB Output is correct
68 Correct 5 ms 512 KB Output is correct
69 Correct 9 ms 896 KB Output is correct
70 Correct 10 ms 1024 KB Output is correct
71 Correct 10 ms 1148 KB Output is correct
72 Correct 10 ms 1024 KB Output is correct
73 Correct 6 ms 640 KB Output is correct
74 Correct 10 ms 1024 KB Output is correct
75 Correct 267 ms 1504 KB Output is correct
76 Correct 375 ms 1376 KB Output is correct
77 Correct 524 ms 1528 KB Output is correct
78 Correct 518 ms 1400 KB Output is correct
79 Correct 527 ms 1408 KB Output is correct
80 Correct 13 ms 1408 KB Output is correct
81 Correct 14 ms 1408 KB Output is correct
82 Correct 14 ms 1408 KB Output is correct
83 Correct 15 ms 1280 KB Output is correct
84 Correct 15 ms 1408 KB Output is correct
85 Correct 15 ms 1280 KB Output is correct
86 Correct 14 ms 1408 KB Output is correct
87 Correct 13 ms 1408 KB Output is correct
88 Correct 18 ms 1280 KB Output is correct
89 Correct 14 ms 1408 KB Output is correct
90 Correct 21 ms 1280 KB Output is correct
91 Correct 20 ms 1280 KB Output is correct
92 Correct 33 ms 1280 KB Output is correct
93 Correct 36 ms 1280 KB Output is correct
94 Correct 35 ms 1280 KB Output is correct
95 Correct 38 ms 1280 KB Output is correct
96 Correct 121 ms 1272 KB Output is correct
97 Correct 466 ms 1280 KB Output is correct
98 Correct 755 ms 1400 KB Output is correct
99 Correct 743 ms 1400 KB Output is correct
100 Correct 524 ms 1144 KB Output is correct