oj.uz

Submission #284130

# Submission time Handle Problem Language Result Execution time Memory
284130 2020-08-26T21:59:49 Z duality Village (BOI20_village) C++11
100 / 100
 177 ms 14584 KB 
#define DEBUG 0

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

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int N;
vi adjList[100000];
int size[100000],disc[100000],order[100000],num = 0;
int ans[100000],ans1 = 0;
LLI ans2 = 0;
int doDFS(int u,int p) {
    int i;
    size[u] = 1,disc[u] = num,order[num++] = u;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (v != p) size[u] += doDFS(v,u),ans2 += 2*min(size[v],N-size[v]);
    }
    if (ans[u] == u) ans1 += 2,swap(ans[u],ans[(p == -1) ? adjList[u][0]:p]);
    return size[u];
}
int main() {
    int i;
    int a,b;
    scanf("%d",&N);
    for (i = 0; i < N-1; i++) {
        scanf("%d %d",&a,&b);
        a--,b--;
        adjList[a].pb(b);
        adjList[b].pb(a);
    }

    for (i = 0; i < N; i++) ans[i] = i;
    doDFS(0,-1);
    printf("%d %lld\n",ans1,ans2);
    for (i = 0; i < N; i++) printf("%d ",ans[i]+1);
    printf("\n");
    for (i = 0; i < N; i++) printf("%d ",order[(disc[i]+N/2) % N]+1);
    printf("\n");

    return 0;
}

Compilation message

Village.cpp: In function 'int doDFS(int, int)':
Village.cpp:66:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 |     for (i = 0; i < adjList[u].size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~~~~~
Village.cpp: In function 'int main()':
Village.cpp:76:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   76 |     scanf("%d",&N);
      |     ~~~~~^~~~~~~~~
Village.cpp:78:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   78 |         scanf("%d %d",&a,&b);
      |         ~~~~~^~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 3 ms 2720 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 3 ms 2724 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 2 ms 2688 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 3 ms 2728 KB Output is correct

Subtask #2
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 3 ms 2688 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 3 ms 2688 KB Output is correct
5 Correct 3 ms 2792 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 3 ms 2816 KB Output is correct
8 Correct 3 ms 2688 KB Output is correct
9 Correct 3 ms 2688 KB Output is correct
10 Correct 4 ms 2720 KB Output is correct
11 Correct 3 ms 2792 KB Output is correct
12 Correct 3 ms 2688 KB Output is correct
13 Correct 3 ms 2688 KB Output is correct
14 Correct 4 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 3 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 3 ms 2688 KB Output is correct
19 Correct 4 ms 2832 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 3 ms 2688 KB Output is correct
22 Correct 2 ms 2688 KB Output is correct
23 Correct 3 ms 2688 KB Output is correct
24 Correct 3 ms 2724 KB Output is correct
25 Correct 2 ms 2688 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 2 ms 2688 KB Output is correct
28 Correct 3 ms 2688 KB Output is correct
29 Correct 3 ms 2688 KB Output is correct
30 Correct 3 ms 2688 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 3 ms 2720 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 3 ms 2724 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 2 ms 2688 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 3 ms 2728 KB Output is correct
18 Correct 2 ms 2688 KB Output is correct
19 Correct 3 ms 2688 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 3 ms 2688 KB Output is correct
22 Correct 3 ms 2792 KB Output is correct
23 Correct 3 ms 2688 KB Output is correct
24 Correct 3 ms 2816 KB Output is correct
25 Correct 3 ms 2688 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 4 ms 2720 KB Output is correct
28 Correct 3 ms 2792 KB Output is correct
29 Correct 3 ms 2688 KB Output is correct
30 Correct 3 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 3 ms 2688 KB Output is correct
33 Correct 3 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 3 ms 2688 KB Output is correct
36 Correct 4 ms 2832 KB Output is correct
37 Correct 3 ms 2688 KB Output is correct
38 Correct 3 ms 2688 KB Output is correct
39 Correct 2 ms 2688 KB Output is correct
40 Correct 3 ms 2688 KB Output is correct
41 Correct 3 ms 2724 KB Output is correct
42 Correct 2 ms 2688 KB Output is correct
43 Correct 3 ms 2688 KB Output is correct
44 Correct 2 ms 2688 KB Output is correct
45 Correct 3 ms 2688 KB Output is correct
46 Correct 3 ms 2688 KB Output is correct
47 Correct 3 ms 2688 KB Output is correct
48 Correct 98 ms 8424 KB Output is correct
49 Correct 100 ms 8960 KB Output is correct
50 Correct 109 ms 8952 KB Output is correct
51 Correct 107 ms 7548 KB Output is correct
52 Correct 128 ms 8820 KB Output is correct
53 Correct 103 ms 8260 KB Output is correct
54 Correct 59 ms 8612 KB Output is correct
55 Correct 134 ms 14584 KB Output is correct
56 Correct 177 ms 11384 KB Output is correct
57 Correct 129 ms 10600 KB Output is correct
58 Correct 124 ms 9772 KB Output is correct
59 Correct 103 ms 8952 KB Output is correct
60 Correct 79 ms 9200 KB Output is correct
61 Correct 100 ms 9180 KB Output is correct
62 Correct 87 ms 9460 KB Output is correct
63 Correct 87 ms 9080 KB Output is correct
64 Correct 104 ms 9324 KB Output is correct
65 Correct 95 ms 9468 KB Output is correct
66 Correct 81 ms 9056 KB Output is correct
67 Correct 58 ms 7716 KB Output is correct
68 Correct 93 ms 8440 KB Output is correct
69 Correct 120 ms 9464 KB Output is correct
70 Correct 90 ms 9080 KB Output is correct
71 Correct 58 ms 7444 KB Output is correct
72 Correct 70 ms 8048 KB Output is correct
73 Correct 90 ms 9464 KB Output is correct
74 Correct 79 ms 8696 KB Output is correct
75 Correct 101 ms 8564 KB Output is correct
76 Correct 104 ms 8592 KB Output is correct
77 Correct 90 ms 8792 KB Output is correct
78 Correct 62 ms 6708 KB Output is correct
79 Correct 80 ms 7360 KB Output is correct
80 Correct 107 ms 8584 KB Output is correct
81 Correct 110 ms 8912 KB Output is correct
82 Correct 91 ms 8952 KB Output is correct