oj.uz

Submission #216567

# Submission time Handle Problem Language Result Execution time Memory
216567 2020-03-27T14:05:03 Z dantoh000 Stray Cat (JOI20_stray) C++14
100 / 100
 69 ms 16812 KB 
#include "Anthony.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;
namespace {

}  // namespace
int f(int x){
    return (x == 1 || x == 4 || x == 5);
}
std::vector<int> Mark(int N, int M, int A, int B,
                      std::vector<int> U, std::vector<int> V) {
    vector<int> adjlist[N];
    int dist[N];
    int p[N];
    vector<int> ans;
    queue<int> q;
    for (int i = 0; i < M; i++){
        adjlist[U[i]].push_back(V[i]);
        adjlist[V[i]].push_back(U[i]);
    }
    ans.resize(M);
    if (A >= 3){
        memset(dist,-1,sizeof(dist));
        dist[0] = 0;
        p[0] = 0;
        q.push(0);
        while (q.size()){
            int u = q.front(); q.pop();
            for (auto v : adjlist[u]){
                if (dist[v] == -1){
                    //printf("%d -> %d\n",u,v);
                    p[v] = u;
                    dist[v] = dist[u]+1;
                    q.push(v);
                }
            }
        }
        for (int i = 0; i < M; i++){
            if (dist[U[i]] > dist[V[i]]) swap(U[i],V[i]);
            int d = (dist[V[i]]-dist[U[i]]);
            if (p[V[i]] == U[i]) {
                ans[i] = dist[U[i]]%3;
                //printf("edge %d-%d, dist %d,%d: mark %d\n",U[i],V[i],dist[U[i]],dist[V[i]],ans[i]);
            }
            else ans[i] = -1;

        }
        for (int i = 0; i < M; i++){
            if (ans[i] == -1){
                ans[i] = dist[U[i]]%3;
                //printf("useless edge %d-%d dist %d,%d: mark %d\n",U[i],V[i],dist[U[i]],dist[V[i]],ans[i]);
            }
        }
    }
    else{
        memset(dist,-1,sizeof(dist));
        dist[0] = 0;
        p[0] = 0;
        q.push(0);
        while (q.size()){
            int u = q.front(); q.pop();
            int branch = adjlist[u].size() > 2;
            if (branch){
                dist[u] = f(dist[p[u]])^1;
            }
            for (auto v : adjlist[u]){
                if (dist[v] == -1){
                    //printf("%d -> %d\n",u,v);
                    p[v] = u;
                    dist[v] = (dist[u]+1)%6;
                    q.push(v);
                }
            }
        }
        for (int i = 0; i < M; i++){
            if (p[U[i]] == V[i]) swap(U[i],V[i]);
            ans[i] = f(dist[U[i]]);
            //printf("%d %d %d\n",U[i],V[i],ans[i]);
        }
    }
    return ans;
}

#include "Catherine.h"
#include <bits/stdc++.h>
using namespace std;
namespace {

int A, B;
int sure = 0;
vector<int> sofar;
int prv = -2;
}  // namespace

void Init(int A, int B) {
  ::A = A;
  ::B = B;
}

int Move(std::vector<int> y) {
    //printf("new move %d %d, prev %d\n",y[0],y[1],prv);
    //printf("wasted %d so far, sure ? %d\n",(int)sofar.size(),sure);
    if (A >= 3){
        if (prv == -2){
            if (y[0] == 0) return prv = y[1]?1:2;
            else if (y[1] == 0) return prv = y[2]?2:0;
            else if (y[2] == 0) return prv = y[0]?0:1;
        }
        else{
            return prv = (prv+2)%3;
        }
    }
    else{
        int total = y[0]+y[1];
        int cur = y[0]==1?0:1;
        if (sure){
            if (total >= 2){
                cur = prv^1;
            }
            return prv = cur;
        }
        else if (sofar.empty()){
            if (total == 1){
                sure = true;
                return prv = cur;
            }
            else if (total == 2){
                cur = y[0]?0:1;
                if (y[cur] == 2) sofar.push_back(cur);
                else sofar.push_back(cur^1);
                sofar.push_back(cur);
                return prv = cur;
            }
            else{
                sure = true;
                assert(y[0] != 0 && y[1] != 0);
                return prv = cur;
            }
        }
        else if ((int)sofar.size() == 4){
            sure = true;
            if (total == 0){
                return -1;
            }
            int CUR = 8*sofar[0] + 4*sofar[1] + 2*sofar[2]+sofar[3];
            int need = -1;
            if (CUR == 9 || CUR == 11 || CUR == 6) need = 0;
            else if (CUR == 12 || CUR == 2 || CUR == 5) need = 1;
            //printf("so far visited %d %d %d %d -> %d\n",sofar[0],sofar[1],sofar[2],sofar[3],need);
            if (need == -1 || y[need] == 0){
                return -1;
            }
            else return prv = need;
        }
        else{
            if (total == 0){
                sure = true;
                return -1;
            }
            if (total > 1){
                sure = true;
                if (y[0] == 0 || y[1] == 0){
                    return -1;
                }
                cur = prv^1;
                assert(y[cur]);
                return prv = cur;
            }
            else{
                sofar.push_back(cur);
                return prv = cur;
            }
        }
    }
}

Compilation message

Anthony.cpp: In function 'std::vector<int> Mark(int, int, int, int, std::vector<int>, std::vector<int>)':
Anthony.cpp:41:17: warning: unused variable 'd' [-Wunused-variable]
             int d = (dist[V[i]]-dist[U[i]]);
                 ^

Catherine.cpp: In function 'int Move(std::vector<int>)':
Catherine.cpp:92:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 15636 KB Output is correct
2 Correct 9 ms 784 KB Output is correct
3 Correct 48 ms 15164 KB Output is correct
4 Correct 67 ms 16652 KB Output is correct
5 Correct 69 ms 16812 KB Output is correct
6 Correct 55 ms 15368 KB Output is correct
7 Correct 53 ms 15356 KB Output is correct
8 Correct 62 ms 16240 KB Output is correct
9 Correct 61 ms 16168 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 15636 KB Output is correct
2 Correct 9 ms 784 KB Output is correct
3 Correct 48 ms 15164 KB Output is correct
4 Correct 67 ms 16652 KB Output is correct
5 Correct 69 ms 16812 KB Output is correct
6 Correct 55 ms 15368 KB Output is correct
7 Correct 53 ms 15356 KB Output is correct
8 Correct 62 ms 16240 KB Output is correct
9 Correct 61 ms 16168 KB Output is correct
10 Correct 49 ms 13492 KB Output is correct
11 Correct 54 ms 13484 KB Output is correct
12 Correct 51 ms 13744 KB Output is correct
13 Correct 51 ms 13504 KB Output is correct
14 Correct 52 ms 13688 KB Output is correct
15 Correct 59 ms 14048 KB Output is correct
16 Correct 63 ms 16292 KB Output is correct

Subtask #3
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 13200 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 44 ms 12828 KB Output is correct
4 Correct 63 ms 14616 KB Output is correct
5 Correct 65 ms 14640 KB Output is correct
6 Correct 53 ms 13196 KB Output is correct
7 Correct 50 ms 13184 KB Output is correct
8 Correct 59 ms 13940 KB Output is correct
9 Correct 59 ms 13952 KB Output is correct
10 Correct 55 ms 13724 KB Output is correct
11 Correct 56 ms 13736 KB Output is correct
12 Correct 62 ms 13716 KB Output is correct
13 Correct 55 ms 13724 KB Output is correct
14 Correct 57 ms 13980 KB Output is correct
15 Correct 59 ms 13976 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 13200 KB Output is correct
2 Correct 9 ms 780 KB Output is correct
3 Correct 44 ms 12828 KB Output is correct
4 Correct 63 ms 14616 KB Output is correct
5 Correct 65 ms 14640 KB Output is correct
6 Correct 53 ms 13196 KB Output is correct
7 Correct 50 ms 13184 KB Output is correct
8 Correct 59 ms 13940 KB Output is correct
9 Correct 59 ms 13952 KB Output is correct
10 Correct 55 ms 13724 KB Output is correct
11 Correct 56 ms 13736 KB Output is correct
12 Correct 62 ms 13716 KB Output is correct
13 Correct 55 ms 13724 KB Output is correct
14 Correct 57 ms 13980 KB Output is correct
15 Correct 59 ms 13976 KB Output is correct
16 Correct 46 ms 11732 KB Output is correct
17 Correct 47 ms 11752 KB Output is correct
18 Correct 49 ms 11588 KB Output is correct
19 Correct 48 ms 11512 KB Output is correct
20 Correct 55 ms 12532 KB Output is correct
21 Correct 51 ms 11984 KB Output is correct
22 Correct 55 ms 14096 KB Output is correct
23 Correct 49 ms 11688 KB Output is correct
24 Correct 53 ms 11512 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1260 KB Output is correct
2 Correct 9 ms 772 KB Output is correct
3 Correct 10 ms 1128 KB Output is correct
4 Correct 10 ms 1128 KB Output is correct
5 Correct 10 ms 1100 KB Output is correct
6 Correct 10 ms 1384 KB Output is correct
7 Correct 10 ms 1036 KB Output is correct
8 Correct 10 ms 1260 KB Output is correct
9 Correct 10 ms 1132 KB Output is correct
10 Correct 10 ms 1044 KB Output is correct
11 Correct 10 ms 1104 KB Output is correct
12 Correct 10 ms 912 KB Output is correct
13 Correct 10 ms 1040 KB Output is correct
14 Correct 10 ms 1232 KB Output is correct
15 Correct 10 ms 1040 KB Output is correct
16 Correct 10 ms 1128 KB Output is correct
17 Correct 10 ms 1124 KB Output is correct
18 Correct 10 ms 1104 KB Output is correct
19 Correct 12 ms 1040 KB Output is correct
20 Correct 10 ms 1132 KB Output is correct
21 Correct 10 ms 1252 KB Output is correct
22 Correct 10 ms 1144 KB Output is correct
23 Correct 10 ms 1124 KB Output is correct
24 Correct 10 ms 1040 KB Output is correct
25 Correct 10 ms 1128 KB Output is correct
26 Correct 10 ms 1124 KB Output is correct
27 Correct 12 ms 1128 KB Output is correct
28 Correct 10 ms 1268 KB Output is correct

Subtask #6
71.0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 11524 KB Output is correct
2 Correct 53 ms 11780 KB Output is correct
3 Correct 10 ms 772 KB Output is correct
4 Correct 43 ms 11264 KB Output is correct
5 Correct 62 ms 12532 KB Output is correct
6 Correct 57 ms 12540 KB Output is correct
7 Correct 52 ms 11772 KB Output is correct
8 Correct 56 ms 11772 KB Output is correct
9 Correct 66 ms 13012 KB Output is correct
10 Correct 59 ms 13088 KB Output is correct
11 Correct 61 ms 13160 KB Output is correct
12 Correct 59 ms 13228 KB Output is correct
13 Correct 57 ms 13100 KB Output is correct
14 Correct 59 ms 13080 KB Output is correct
15 Correct 59 ms 13216 KB Output is correct
16 Correct 61 ms 13076 KB Output is correct
17 Correct 55 ms 12840 KB Output is correct
18 Correct 56 ms 12628 KB Output is correct
19 Correct 57 ms 12800 KB Output is correct
20 Correct 55 ms 12832 KB Output is correct
21 Correct 59 ms 12836 KB Output is correct
22 Correct 56 ms 12748 KB Output is correct
23 Correct 51 ms 11904 KB Output is correct
24 Correct 57 ms 11912 KB Output is correct
25 Correct 50 ms 12044 KB Output is correct
26 Correct 51 ms 12040 KB Output is correct
27 Correct 54 ms 12564 KB Output is correct
28 Correct 55 ms 12568 KB Output is correct
29 Correct 56 ms 12500 KB Output is correct
30 Correct 55 ms 12320 KB Output is correct
31 Correct 50 ms 11920 KB Output is correct
32 Correct 48 ms 11916 KB Output is correct
33 Correct 49 ms 12012 KB Output is correct
34 Correct 50 ms 12024 KB Output is correct
35 Correct 54 ms 12284 KB Output is correct
36 Correct 54 ms 12440 KB Output is correct
37 Correct 54 ms 12436 KB Output is correct
38 Correct 54 ms 12432 KB Output is correct
39 Correct 54 ms 12432 KB Output is correct
40 Correct 55 ms 12440 KB Output is correct
41 Correct 57 ms 12716 KB Output is correct
42 Correct 55 ms 12708 KB Output is correct
43 Correct 57 ms 12612 KB Output is correct
44 Correct 59 ms 12692 KB Output is correct
45 Correct 55 ms 12708 KB Output is correct
46 Correct 55 ms 12704 KB Output is correct
47 Correct 53 ms 12300 KB Output is correct
48 Correct 52 ms 12304 KB Output is correct
49 Correct 52 ms 12172 KB Output is correct
50 Correct 53 ms 12432 KB Output is correct
51 Correct 49 ms 12184 KB Output is correct
52 Correct 51 ms 12180 KB Output is correct
53 Correct 50 ms 12160 KB Output is correct
54 Correct 49 ms 12236 KB Output is correct
55 Correct 49 ms 12180 KB Output is correct
56 Correct 50 ms 12280 KB Output is correct
57 Correct 49 ms 12180 KB Output is correct
58 Correct 52 ms 12180 KB Output is correct
59 Correct 50 ms 12196 KB Output is correct
60 Correct 50 ms 12168 KB Output is correct

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 49 ms 11512 KB Output is correct
2 Correct 52 ms 11772 KB Output is correct
3 Correct 8 ms 784 KB Output is correct
4 Correct 48 ms 11376 KB Output is correct
5 Correct 57 ms 12704 KB Output is correct
6 Correct 57 ms 12592 KB Output is correct
7 Correct 54 ms 11820 KB Output is correct
8 Correct 55 ms 11820 KB Output is correct
9 Correct 59 ms 12580 KB Output is correct
10 Correct 60 ms 12700 KB Output is correct
11 Correct 59 ms 13088 KB Output is correct
12 Correct 63 ms 13208 KB Output is correct
13 Correct 63 ms 13224 KB Output is correct
14 Correct 60 ms 13208 KB Output is correct
15 Correct 64 ms 13188 KB Output is correct
16 Correct 59 ms 13228 KB Output is correct
17 Correct 57 ms 12752 KB Output is correct
18 Correct 56 ms 12820 KB Output is correct
19 Correct 56 ms 12828 KB Output is correct
20 Correct 57 ms 12836 KB Output is correct
21 Correct 55 ms 12844 KB Output is correct
22 Correct 55 ms 12808 KB Output is correct
23 Correct 49 ms 11868 KB Output is correct
24 Correct 52 ms 11900 KB Output is correct
25 Correct 52 ms 12164 KB Output is correct
26 Correct 50 ms 12116 KB Output is correct
27 Correct 55 ms 12572 KB Output is correct
28 Correct 55 ms 12560 KB Output is correct
29 Correct 54 ms 12556 KB Output is correct
30 Correct 56 ms 12532 KB Output is correct
31 Correct 48 ms 11884 KB Output is correct
32 Correct 49 ms 11876 KB Output is correct
33 Correct 48 ms 12032 KB Output is correct
34 Correct 53 ms 12152 KB Output is correct
35 Correct 53 ms 12364 KB Output is correct
36 Correct 53 ms 12432 KB Output is correct
37 Correct 55 ms 12572 KB Output is correct
38 Correct 62 ms 12408 KB Output is correct
39 Correct 54 ms 12412 KB Output is correct
40 Correct 54 ms 12284 KB Output is correct
41 Correct 56 ms 12704 KB Output is correct
42 Correct 55 ms 12500 KB Output is correct
43 Correct 56 ms 12688 KB Output is correct
44 Correct 55 ms 12804 KB Output is correct
45 Correct 62 ms 12956 KB Output is correct
46 Correct 66 ms 12788 KB Output is correct
47 Correct 52 ms 12288 KB Output is correct
48 Correct 53 ms 12416 KB Output is correct
49 Correct 53 ms 12308 KB Output is correct
50 Correct 52 ms 12252 KB Output is correct
51 Correct 50 ms 12172 KB Output is correct
52 Correct 50 ms 12136 KB Output is correct
53 Correct 50 ms 12152 KB Output is correct
54 Correct 51 ms 12172 KB Output is correct
55 Correct 50 ms 12116 KB Output is correct
56 Correct 54 ms 12188 KB Output is correct
57 Correct 56 ms 12188 KB Output is correct
58 Correct 51 ms 12300 KB Output is correct
59 Correct 49 ms 12176 KB Output is correct
60 Correct 51 ms 12172 KB Output is correct