oj.uz

Submission #282334

# Submission time Handle Problem Language Result Execution time Memory
282334 2020-08-24T10:16:23 Z Noam13 Toy Train (IOI17_train) C++14
100 / 100
 574 ms 1536 KB 
#include <bits/stdc++.h>
#define vi vector<int>
#define vvi vector<vi>
#define vb vector<bool>
#define vvb vector<vb>
#define ii pair<int, int>
#define x first
#define y second
#define vii vector<ii>
#define pb push_back
#define all(x) x.begin(), x.end()
#define loop(i,s,e) for(int i=s;i<e;++i)
#define loopr(i,s,e) for(int i=e-1;i>=s;--i)
#define chkmin(a,b) a = min(a,b)
#define chkmax(a,b) a = max(a,b)
using namespace std;
const int INF = 1e9;


int n;

vvi ag;
vi basedeg;
vi a,r;
vi res;
vb f(vb& s, int who){ // a = 1, b = 0
    vb check(n,0);
    vi deg(n);
    loop(i,0,n) deg[i] = basedeg[i];
    queue<int> q;
    loop(i,0,n) if(s[i]) q.push(i), check[i]=1, deg[i]=0;
    while(q.size()){
        int cur = q.front(); q.pop();
        for(auto nei:ag[cur]){
            if (res[nei]!=-1) continue;
            if (a[nei]==who){
                if (!check[nei]){
                    check[nei] = 1;
                    q.push(nei);
                }
            }
            else{
                if (--deg[nei]==0){
                    check[nei] = 1;
                    q.push(nei);
                }
            }
        }
    }
    return check;
}

vi who_wins(vi aa, vi rr, vi u, vi v) {
    a = aa, r = rr;
    n = a.size();
    basedeg.resize(n); ag.resize(n); 
    loop(i,0,u.size()){
        int a = u[i], b = v[i];
        basedeg[a]++;
        ag[b].pb(a);
    }
    res.resize(n,-1);
    while(1){
        vb b(n); 
        loop(i,0,n) if(r[i] && res[i]==-1){
            b[i] = 1;
        }
        b = f(b, 1);
        int cnt = 0, sz=0, cnt2=0;
        loop(i,0,n) if(res[i]==-1) cnt2+=b[i], b[i]=!b[i], sz++;
        if (cnt2==sz || sz==0){
            loop(i,0,n) if(res[i]==-1) res[i]=1;
            break;
        }
        b = f(b,0);
        loop(i,0,n) if(b[i]) cnt++;
        loop(i,0,n) if(b[i]) {
            for(auto nei:ag[i]) basedeg[nei]--;
            res[i]=0;
        }
    }   
	return res;
}

/*
clear
g++ c.cpp grader.cpp -o c ; ./c
6 7
0 1 0 0 1 0
1 0 0 0 0 1
0 1
1 2
2 3
3 1
4 5
5 5
4 1
*/

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:12:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define loop(i,s,e) for(int i=s;i<e;++i)
......
   57 |     loop(i,0,u.size()){
      |          ~~~~~~~~~~~~             
train.cpp:57:5: note: in expansion of macro 'loop'
   57 |     loop(i,0,u.size()){
      |     ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1024 KB Output is correct
2 Correct 9 ms 1024 KB Output is correct
3 Correct 6 ms 1024 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 7 ms 896 KB Output is correct
6 Correct 6 ms 896 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 6 ms 1024 KB Output is correct
9 Correct 6 ms 896 KB Output is correct
10 Correct 5 ms 896 KB Output is correct
11 Correct 5 ms 896 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 256 KB Output is correct
5 Correct 0 ms 256 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 0 ms 256 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 0 ms 256 KB Output is correct
12 Correct 0 ms 256 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 256 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 1408 KB Output is correct
2 Correct 200 ms 1528 KB Output is correct
3 Correct 276 ms 1412 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 10 ms 1408 KB Output is correct
6 Correct 10 ms 1408 KB Output is correct
7 Correct 9 ms 1408 KB Output is correct
8 Correct 9 ms 1408 KB Output is correct
9 Correct 8 ms 1280 KB Output is correct
10 Correct 9 ms 1280 KB Output is correct
11 Correct 8 ms 1280 KB Output is correct
12 Correct 8 ms 1280 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1408 KB Output is correct
15 Correct 9 ms 1408 KB Output is correct
16 Correct 9 ms 1408 KB Output is correct
17 Correct 9 ms 1408 KB Output is correct
18 Correct 395 ms 1144 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1152 KB Output is correct
2 Correct 11 ms 1280 KB Output is correct
3 Correct 9 ms 1280 KB Output is correct
4 Correct 9 ms 1408 KB Output is correct
5 Correct 9 ms 1280 KB Output is correct
6 Correct 9 ms 1408 KB Output is correct
7 Correct 9 ms 1280 KB Output is correct
8 Correct 8 ms 1280 KB Output is correct
9 Correct 8 ms 1280 KB Output is correct
10 Correct 9 ms 1536 KB Output is correct
11 Correct 9 ms 1408 KB Output is correct
12 Correct 9 ms 1408 KB Output is correct
13 Correct 9 ms 1408 KB Output is correct
14 Correct 9 ms 1280 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1408 KB Output is correct
2 Correct 9 ms 1408 KB Output is correct
3 Correct 9 ms 1408 KB Output is correct
4 Correct 8 ms 1280 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 7 ms 896 KB Output is correct
8 Correct 6 ms 892 KB Output is correct
9 Correct 6 ms 896 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 6 ms 896 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1024 KB Output is correct
2 Correct 9 ms 1024 KB Output is correct
3 Correct 6 ms 1024 KB Output is correct
4 Correct 6 ms 896 KB Output is correct
5 Correct 7 ms 896 KB Output is correct
6 Correct 6 ms 896 KB Output is correct
7 Correct 5 ms 1024 KB Output is correct
8 Correct 6 ms 1024 KB Output is correct
9 Correct 6 ms 896 KB Output is correct
10 Correct 5 ms 896 KB Output is correct
11 Correct 5 ms 896 KB Output is correct
12 Correct 1 ms 256 KB Output is correct
13 Correct 0 ms 256 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 0 ms 256 KB Output is correct
16 Correct 0 ms 256 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 1 ms 256 KB Output is correct
22 Correct 0 ms 256 KB Output is correct
23 Correct 0 ms 256 KB Output is correct
24 Correct 1 ms 256 KB Output is correct
25 Correct 1 ms 256 KB Output is correct
26 Correct 0 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 256 KB Output is correct
29 Correct 0 ms 256 KB Output is correct
30 Correct 0 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 103 ms 1408 KB Output is correct
33 Correct 200 ms 1528 KB Output is correct
34 Correct 276 ms 1412 KB Output is correct
35 Correct 9 ms 1408 KB Output is correct
36 Correct 10 ms 1408 KB Output is correct
37 Correct 10 ms 1408 KB Output is correct
38 Correct 9 ms 1408 KB Output is correct
39 Correct 9 ms 1408 KB Output is correct
40 Correct 8 ms 1280 KB Output is correct
41 Correct 9 ms 1280 KB Output is correct
42 Correct 8 ms 1280 KB Output is correct
43 Correct 8 ms 1280 KB Output is correct
44 Correct 9 ms 1408 KB Output is correct
45 Correct 9 ms 1408 KB Output is correct
46 Correct 9 ms 1408 KB Output is correct
47 Correct 9 ms 1408 KB Output is correct
48 Correct 9 ms 1408 KB Output is correct
49 Correct 395 ms 1144 KB Output is correct
50 Correct 10 ms 1152 KB Output is correct
51 Correct 11 ms 1280 KB Output is correct
52 Correct 9 ms 1280 KB Output is correct
53 Correct 9 ms 1408 KB Output is correct
54 Correct 9 ms 1280 KB Output is correct
55 Correct 9 ms 1408 KB Output is correct
56 Correct 9 ms 1280 KB Output is correct
57 Correct 8 ms 1280 KB Output is correct
58 Correct 8 ms 1280 KB Output is correct
59 Correct 9 ms 1536 KB Output is correct
60 Correct 9 ms 1408 KB Output is correct
61 Correct 9 ms 1408 KB Output is correct
62 Correct 9 ms 1408 KB Output is correct
63 Correct 9 ms 1280 KB Output is correct
64 Correct 9 ms 1408 KB Output is correct
65 Correct 9 ms 1408 KB Output is correct
66 Correct 9 ms 1408 KB Output is correct
67 Correct 8 ms 1280 KB Output is correct
68 Correct 1 ms 384 KB Output is correct
69 Correct 5 ms 896 KB Output is correct
70 Correct 7 ms 896 KB Output is correct
71 Correct 6 ms 892 KB Output is correct
72 Correct 6 ms 896 KB Output is correct
73 Correct 2 ms 512 KB Output is correct
74 Correct 6 ms 896 KB Output is correct
75 Correct 181 ms 1400 KB Output is correct
76 Correct 226 ms 1528 KB Output is correct
77 Correct 304 ms 1416 KB Output is correct
78 Correct 302 ms 1528 KB Output is correct
79 Correct 305 ms 1528 KB Output is correct
80 Correct 9 ms 1408 KB Output is correct
81 Correct 10 ms 1404 KB Output is correct
82 Correct 13 ms 1408 KB Output is correct
83 Correct 10 ms 1408 KB Output is correct
84 Correct 10 ms 1408 KB Output is correct
85 Correct 10 ms 1408 KB Output is correct
86 Correct 10 ms 1408 KB Output is correct
87 Correct 9 ms 1408 KB Output is correct
88 Correct 12 ms 1408 KB Output is correct
89 Correct 10 ms 1408 KB Output is correct
90 Correct 15 ms 1408 KB Output is correct
91 Correct 14 ms 1408 KB Output is correct
92 Correct 23 ms 1408 KB Output is correct
93 Correct 24 ms 1408 KB Output is correct
94 Correct 24 ms 1408 KB Output is correct
95 Correct 24 ms 1400 KB Output is correct
96 Correct 88 ms 1280 KB Output is correct
97 Correct 296 ms 1400 KB Output is correct
98 Correct 500 ms 1280 KB Output is correct
99 Correct 574 ms 1400 KB Output is correct
100 Correct 400 ms 1024 KB Output is correct