oj.uz

답안 #183939

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
183939 2020-01-10T08:27:55 Z Ruxandra985 Political Development (BOI17_politicaldevelopment) C++14
100 / 100
 538 ms 55280 KB 
#include <bits/stdc++.h>
#define DIMN 50010
using namespace std;
map <int,int> mp[DIMN];
vector <int> v[DIMN];
int grad[DIMN] , f[DIMN] , l[DIMN];
pair <int,int> dp[DIMN];
priority_queue <pair <int,int> > h;
int main()
{
    FILE *fin = stdin;
    FILE *fout = stdout;
    int n , k , i, elem , nod , vecin , x , ok , ok2 , i2 , j , sol , val , conf;
    fscanf (fin,"%d%d",&n,&k);
    for (i=0;i<n;i++){
        fscanf (fin,"%d",&elem);
        for (j=1;j<=elem;j++){
            fscanf (fin,"%d",&x);
            mp[i][x] = 1;
            v[i].push_back(x);
        }
        grad[i] = elem;
        h.push(make_pair(-grad[i] , i));
    }
    sol = 1;
    while (!h.empty()){
        nod = h.top().second;
        val = -h.top().first;
        h.pop();
        if (grad[nod] != val)
            continue;
        f[nod] = 1;
        /// ok acum avem nodul cu cel mai mic grad
        /// vrei sa vezi daca poate apartine unui graf complet
        elem = 0;
        for (i=0;i<v[nod].size();i++){
            vecin = v[nod][i];
            if (!f[vecin]) /// nu are rost sa faci heapul mai mare decat e nevoie
                l[++elem] = vecin;
        }
 
        /// din graful complet curent face parte nod si un subset din l
        ok = 0;
        dp[++ok] = make_pair(0 , 1); /// doar nod
 
        for (i = 1 ; i <= elem ; i++){
 
            ok2 = ok;
            for (j = 1 ; j <= ok2 ; j ++){
                /// adaugi l[i] la configuratia dp[j].first
                x = l[i];
                conf = dp[j].first;
                for (i2 = 0 ; i2 <= k ; i2++){
                    if ( (conf & (1 << i2)) && !mp[x][l[i2+1]] )
                        break;
                }
                if (i2 > k){
                    dp[++ok] = make_pair(conf + (1 << (i-1)) , dp[j].second + 1);
                    sol = max(sol , dp[j].second + 1);
                }
            }
 
        }
 
        /// il eliminam
        for (i=0;i<v[nod].size();i++){
            vecin = v[nod][i];
            grad[vecin]--;
            if (!f[vecin]) /// nu are rost sa faci heapul mai mare decat e nevoie
                h.push(make_pair(-grad[vecin] , vecin));
        }
    }
    fprintf (fout,"%d",sol);
    return 0;
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:36:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i=0;i<v[nod].size();i++){
                  ~^~~~~~~~~~~~~~
politicaldevelopment.cpp:66:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i=0;i<v[nod].size();i++){
                  ~^~~~~~~~~~~~~~
politicaldevelopment.cpp:14:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     fscanf (fin,"%d%d",&n,&k);
     ~~~~~~~^~~~~~~~~~~~~~~~~~
politicaldevelopment.cpp:16:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         fscanf (fin,"%d",&elem);
         ~~~~~~~^~~~~~~~~~~~~~~~
politicaldevelopment.cpp:18:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             fscanf (fin,"%d",&x);
             ~~~~~~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3832 KB Output is correct
2 Correct 6 ms 3836 KB Output is correct
3 Correct 12 ms 4600 KB Output is correct
4 Correct 11 ms 4600 KB Output is correct
5 Correct 12 ms 4728 KB Output is correct
6 Correct 12 ms 4600 KB Output is correct
7 Correct 11 ms 4600 KB Output is correct
8 Correct 8 ms 3960 KB Output is correct
9 Correct 6 ms 3920 KB Output is correct
10 Correct 6 ms 3960 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3832 KB Output is correct
2 Correct 6 ms 3836 KB Output is correct
3 Correct 12 ms 4600 KB Output is correct
4 Correct 11 ms 4600 KB Output is correct
5 Correct 12 ms 4728 KB Output is correct
6 Correct 12 ms 4600 KB Output is correct
7 Correct 11 ms 4600 KB Output is correct
8 Correct 8 ms 3960 KB Output is correct
9 Correct 6 ms 3920 KB Output is correct
10 Correct 6 ms 3960 KB Output is correct
11 Correct 12 ms 4600 KB Output is correct
12 Correct 10 ms 4600 KB Output is correct
13 Correct 7 ms 3832 KB Output is correct
14 Correct 11 ms 4600 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 13 ms 4856 KB Output is correct
17 Correct 5 ms 3960 KB Output is correct
18 Correct 10 ms 4600 KB Output is correct
19 Correct 7 ms 3960 KB Output is correct
20 Correct 8 ms 4344 KB Output is correct
21 Correct 8 ms 4444 KB Output is correct
22 Correct 6 ms 3960 KB Output is correct
23 Correct 13 ms 4780 KB Output is correct
24 Correct 6 ms 3960 KB Output is correct
25 Correct 15 ms 4856 KB Output is correct
26 Correct 12 ms 4728 KB Output is correct
27 Correct 11 ms 4600 KB Output is correct
28 Correct 12 ms 4728 KB Output is correct
29 Correct 12 ms 4576 KB Output is correct
30 Correct 16 ms 4856 KB Output is correct
31 Correct 13 ms 4856 KB Output is correct
32 Correct 13 ms 4856 KB Output is correct
33 Correct 13 ms 4856 KB Output is correct
34 Correct 14 ms 4856 KB Output is correct
35 Correct 9 ms 4344 KB Output is correct
36 Correct 9 ms 4344 KB Output is correct
37 Correct 9 ms 4344 KB Output is correct
38 Correct 8 ms 4216 KB Output is correct
39 Correct 8 ms 4188 KB Output is correct
40 Correct 17 ms 5496 KB Output is correct
41 Correct 8 ms 4216 KB Output is correct
42 Correct 17 ms 5496 KB Output is correct
43 Correct 18 ms 5404 KB Output is correct

Subtask #3
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 4088 KB Output is correct
2 Correct 5 ms 3832 KB Output is correct
3 Correct 5 ms 3832 KB Output is correct
4 Correct 5 ms 3704 KB Output is correct
5 Correct 5 ms 3832 KB Output is correct
6 Correct 5 ms 3832 KB Output is correct
7 Correct 6 ms 3832 KB Output is correct
8 Correct 5 ms 3892 KB Output is correct
9 Correct 5 ms 3832 KB Output is correct
10 Correct 5 ms 3832 KB Output is correct
11 Correct 534 ms 55144 KB Output is correct
12 Correct 5 ms 3832 KB Output is correct
13 Correct 537 ms 55280 KB Output is correct
14 Correct 6 ms 3832 KB Output is correct
15 Correct 513 ms 55112 KB Output is correct
16 Correct 507 ms 55016 KB Output is correct
17 Correct 538 ms 54996 KB Output is correct
18 Correct 510 ms 55012 KB Output is correct

Subtask #4
38.0 / 38.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3832 KB Output is correct
2 Correct 6 ms 3836 KB Output is correct
3 Correct 12 ms 4600 KB Output is correct
4 Correct 11 ms 4600 KB Output is correct
5 Correct 12 ms 4728 KB Output is correct
6 Correct 12 ms 4600 KB Output is correct
7 Correct 11 ms 4600 KB Output is correct
8 Correct 8 ms 3960 KB Output is correct
9 Correct 6 ms 3920 KB Output is correct
10 Correct 6 ms 3960 KB Output is correct
11 Correct 12 ms 4600 KB Output is correct
12 Correct 10 ms 4600 KB Output is correct
13 Correct 7 ms 3832 KB Output is correct
14 Correct 11 ms 4600 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 13 ms 4856 KB Output is correct
17 Correct 5 ms 3960 KB Output is correct
18 Correct 10 ms 4600 KB Output is correct
19 Correct 7 ms 3960 KB Output is correct
20 Correct 8 ms 4344 KB Output is correct
21 Correct 8 ms 4444 KB Output is correct
22 Correct 6 ms 3960 KB Output is correct
23 Correct 13 ms 4780 KB Output is correct
24 Correct 6 ms 3960 KB Output is correct
25 Correct 15 ms 4856 KB Output is correct
26 Correct 12 ms 4728 KB Output is correct
27 Correct 11 ms 4600 KB Output is correct
28 Correct 12 ms 4728 KB Output is correct
29 Correct 12 ms 4576 KB Output is correct
30 Correct 16 ms 4856 KB Output is correct
31 Correct 13 ms 4856 KB Output is correct
32 Correct 13 ms 4856 KB Output is correct
33 Correct 13 ms 4856 KB Output is correct
34 Correct 14 ms 4856 KB Output is correct
35 Correct 9 ms 4344 KB Output is correct
36 Correct 9 ms 4344 KB Output is correct
37 Correct 9 ms 4344 KB Output is correct
38 Correct 8 ms 4216 KB Output is correct
39 Correct 8 ms 4188 KB Output is correct
40 Correct 17 ms 5496 KB Output is correct
41 Correct 8 ms 4216 KB Output is correct
42 Correct 17 ms 5496 KB Output is correct
43 Correct 18 ms 5404 KB Output is correct
44 Correct 46 ms 6392 KB Output is correct
45 Correct 6 ms 3964 KB Output is correct
46 Correct 23 ms 5496 KB Output is correct
47 Correct 45 ms 7928 KB Output is correct
48 Correct 21 ms 5428 KB Output is correct
49 Correct 45 ms 7788 KB Output is correct
50 Correct 36 ms 7852 KB Output is correct
51 Correct 111 ms 15196 KB Output is correct
52 Correct 12 ms 4700 KB Output is correct
53 Correct 57 ms 9720 KB Output is correct
54 Correct 177 ms 17516 KB Output is correct
55 Correct 12 ms 4728 KB Output is correct
56 Correct 28 ms 4728 KB Output is correct
57 Correct 7 ms 3960 KB Output is correct
58 Correct 66 ms 9972 KB Output is correct
59 Correct 19 ms 5112 KB Output is correct
60 Correct 11 ms 4600 KB Output is correct
61 Correct 15 ms 5112 KB Output is correct
62 Correct 18 ms 5112 KB Output is correct
63 Correct 46 ms 6264 KB Output is correct
64 Correct 33 ms 6136 KB Output is correct
65 Correct 16 ms 5368 KB Output is correct
66 Correct 15 ms 5112 KB Output is correct
67 Correct 67 ms 8908 KB Output is correct
68 Correct 35 ms 6136 KB Output is correct
69 Correct 17 ms 5240 KB Output is correct
70 Correct 38 ms 7164 KB Output is correct
71 Correct 64 ms 8696 KB Output is correct
72 Correct 47 ms 8692 KB Output is correct
73 Correct 10 ms 4600 KB Output is correct
74 Correct 31 ms 7288 KB Output is correct
75 Correct 46 ms 8692 KB Output is correct
76 Correct 20 ms 6136 KB Output is correct
77 Correct 65 ms 11124 KB Output is correct
78 Correct 11 ms 4728 KB Output is correct
79 Correct 29 ms 7420 KB Output is correct
80 Correct 21 ms 6136 KB Output is correct
81 Correct 57 ms 11124 KB Output is correct
82 Correct 8 ms 4216 KB Output is correct
83 Correct 31 ms 7416 KB Output is correct
84 Correct 41 ms 8948 KB Output is correct
85 Correct 8 ms 4216 KB Output is correct
86 Correct 41 ms 8820 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 3832 KB Output is correct
2 Correct 6 ms 3836 KB Output is correct
3 Correct 12 ms 4600 KB Output is correct
4 Correct 11 ms 4600 KB Output is correct
5 Correct 12 ms 4728 KB Output is correct
6 Correct 12 ms 4600 KB Output is correct
7 Correct 11 ms 4600 KB Output is correct
8 Correct 8 ms 3960 KB Output is correct
9 Correct 6 ms 3920 KB Output is correct
10 Correct 6 ms 3960 KB Output is correct
11 Correct 12 ms 4600 KB Output is correct
12 Correct 10 ms 4600 KB Output is correct
13 Correct 7 ms 3832 KB Output is correct
14 Correct 11 ms 4600 KB Output is correct
15 Correct 5 ms 3832 KB Output is correct
16 Correct 13 ms 4856 KB Output is correct
17 Correct 5 ms 3960 KB Output is correct
18 Correct 10 ms 4600 KB Output is correct
19 Correct 7 ms 3960 KB Output is correct
20 Correct 8 ms 4344 KB Output is correct
21 Correct 8 ms 4444 KB Output is correct
22 Correct 6 ms 3960 KB Output is correct
23 Correct 13 ms 4780 KB Output is correct
24 Correct 6 ms 3960 KB Output is correct
25 Correct 15 ms 4856 KB Output is correct
26 Correct 12 ms 4728 KB Output is correct
27 Correct 11 ms 4600 KB Output is correct
28 Correct 12 ms 4728 KB Output is correct
29 Correct 12 ms 4576 KB Output is correct
30 Correct 16 ms 4856 KB Output is correct
31 Correct 13 ms 4856 KB Output is correct
32 Correct 13 ms 4856 KB Output is correct
33 Correct 13 ms 4856 KB Output is correct
34 Correct 14 ms 4856 KB Output is correct
35 Correct 9 ms 4344 KB Output is correct
36 Correct 9 ms 4344 KB Output is correct
37 Correct 9 ms 4344 KB Output is correct
38 Correct 8 ms 4216 KB Output is correct
39 Correct 8 ms 4188 KB Output is correct
40 Correct 17 ms 5496 KB Output is correct
41 Correct 8 ms 4216 KB Output is correct
42 Correct 17 ms 5496 KB Output is correct
43 Correct 18 ms 5404 KB Output is correct
44 Correct 5 ms 3832 KB Output is correct
45 Correct 273 ms 30740 KB Output is correct
46 Correct 117 ms 15156 KB Output is correct
47 Correct 288 ms 31136 KB Output is correct
48 Correct 265 ms 30824 KB Output is correct
49 Correct 70 ms 11848 KB Output is correct
50 Correct 255 ms 29788 KB Output is correct
51 Correct 278 ms 31128 KB Output is correct
52 Correct 63 ms 11848 KB Output is correct
53 Correct 71 ms 11836 KB Output is correct
54 Correct 17 ms 4856 KB Output is correct
55 Correct 256 ms 29764 KB Output is correct
56 Correct 43 ms 8912 KB Output is correct
57 Correct 63 ms 11760 KB Output is correct
58 Correct 94 ms 14160 KB Output is correct
59 Correct 51 ms 8944 KB Output is correct
60 Correct 44 ms 8944 KB Output is correct
61 Correct 110 ms 14268 KB Output is correct
62 Correct 80 ms 11548 KB Output is correct
63 Correct 144 ms 17592 KB Output is correct
64 Correct 44 ms 8940 KB Output is correct
65 Correct 192 ms 22264 KB Output is correct
66 Correct 70 ms 11628 KB Output is correct
67 Correct 142 ms 17608 KB Output is correct
68 Correct 181 ms 21316 KB Output is correct
69 Correct 191 ms 22356 KB Output is correct
70 Correct 69 ms 11648 KB Output is correct
71 Correct 183 ms 21408 KB Output is correct
72 Correct 131 ms 17028 KB Output is correct
73 Correct 224 ms 26188 KB Output is correct
74 Correct 70 ms 11652 KB Output is correct
75 Correct 79 ms 11784 KB Output is correct
76 Correct 137 ms 17076 KB Output is correct
77 Correct 221 ms 26124 KB Output is correct
78 Correct 109 ms 14968 KB Output is correct
79 Correct 81 ms 11716 KB Output is correct
80 Correct 37 ms 7728 KB Output is correct
81 Correct 108 ms 14960 KB Output is correct
82 Correct 159 ms 20148 KB Output is correct
83 Correct 38 ms 7832 KB Output is correct
84 Correct 160 ms 20028 KB Output is correct