oj.uz

Submission #246585

# Submission time Handle Problem Language Result Execution time Memory
246585 2020-07-09T16:15:54 Z m3r8 Political Development (BOI17_politicaldevelopment) C++14
39 / 100
 3000 ms 313848 KB 
#include <stdio.h>
#include <vector>
#include <algorithm>
#include <set>
#include <bitset>
#include <utility>
#include <queue>

#define N 50100
#define ii std::pair<int,int>


std::vector<int> adj[N];
int k;
std::vector<std::bitset<N>> add(N);
std::queue<int> que;
std::vector<int> akt;
int used[N];


int clq(int idx){
  int erg = 0;
  for(int i = 0;i<(1<<akt.size());i++){
    std::bitset<N> tmp = add[idx];
    int cnt = 1;
    for(int j = 0;j<akt.size();j++){
      if(i & (1<<j)){
        cnt++;
        tmp &= add[akt[j]];
      };  
    };
    int pos = 1;
    for(int j = 0;j<akt.size();j++){
      if(i & (1<<j) && !tmp[akt[j]]){
        pos = 0;
        break;
      };  
    };
    if(pos){
      erg = std::max(erg,cnt);
    };
  };
  return erg;
};

int main(void){
  int n;  
  scanf("%d %d",&n,&k);
  int d;
  int x;
  int mx = 0;
  for(int i = 0;i<n;i++){
    mx = 1;
    add[i][i] = 1;
    scanf("%d",&d);
    for(int j = 0;j<d;j++){
      mx = 2;
      scanf("%d",&x);
      add[i][x] = 1;
      adj[i].push_back(x);
    };
  };
  for(int i = 0;i<n;i++){
    if(adj[i].size() < k){
      //printf("%d %d\n",i,adj[i].size());
      used[i] = 1;
      que.push(i);
    };  
  };
  while(que.size()){
    int ak = que.front();que.pop();  
    akt.clear();
    used[ak] = 2;
    for(auto i: adj[ak]){
      if(used[i] != 2){
        akt.push_back(i);
      };  
    };
    mx = std::max(mx,clq(ak));
    for(auto i: adj[ak]){
      if(!used[i]){
        add[i][ak] = 0;
        if(add[i].count() <= k){
          used[i] = 1;
          que.push(i);  
        };
      };  
    };
  };
  printf("%d\n",mx);
  return 0;
};

Compilation message

politicaldevelopment.cpp: In function 'int clq(int)':
politicaldevelopment.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0;j<akt.size();j++){
                   ~^~~~~~~~~~~
politicaldevelopment.cpp:33:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int j = 0;j<akt.size();j++){
                   ~^~~~~~~~~~~
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(adj[i].size() < k){
        ~~~~~~~~~~~~~~^~~
politicaldevelopment.cpp:83:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if(add[i].count() <= k){
            ~~~~~~~~~~~~~~~^~~~
politicaldevelopment.cpp:48:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&k);
   ~~~~~^~~~~~~~~~~~~~~
politicaldevelopment.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&d);
     ~~~~~^~~~~~~~~
politicaldevelopment.cpp:58:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d",&x);
       ~~~~~^~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 308600 KB Output is correct
2 Correct 160 ms 308612 KB Output is correct
3 Correct 188 ms 308856 KB Output is correct
4 Correct 175 ms 308856 KB Output is correct
5 Correct 176 ms 308856 KB Output is correct
6 Correct 176 ms 308856 KB Output is correct
7 Correct 177 ms 308856 KB Output is correct
8 Correct 155 ms 308472 KB Output is correct
9 Correct 156 ms 308600 KB Output is correct
10 Correct 159 ms 308728 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 308600 KB Output is correct
2 Correct 160 ms 308612 KB Output is correct
3 Correct 188 ms 308856 KB Output is correct
4 Correct 175 ms 308856 KB Output is correct
5 Correct 176 ms 308856 KB Output is correct
6 Correct 176 ms 308856 KB Output is correct
7 Correct 177 ms 308856 KB Output is correct
8 Correct 155 ms 308472 KB Output is correct
9 Correct 156 ms 308600 KB Output is correct
10 Correct 159 ms 308728 KB Output is correct
11 Correct 171 ms 308728 KB Output is correct
12 Correct 179 ms 308856 KB Output is correct
13 Correct 161 ms 308600 KB Output is correct
14 Correct 172 ms 308856 KB Output is correct
15 Correct 155 ms 308600 KB Output is correct
16 Correct 173 ms 308728 KB Output is correct
17 Correct 155 ms 308600 KB Output is correct
18 Correct 184 ms 308752 KB Output is correct
19 Correct 155 ms 308476 KB Output is correct
20 Correct 164 ms 308728 KB Output is correct
21 Correct 161 ms 308728 KB Output is correct
22 Correct 160 ms 308600 KB Output is correct
23 Correct 187 ms 308728 KB Output is correct
24 Correct 156 ms 308600 KB Output is correct
25 Correct 177 ms 308856 KB Output is correct
26 Correct 178 ms 308856 KB Output is correct
27 Correct 166 ms 308788 KB Output is correct
28 Correct 179 ms 308856 KB Output is correct
29 Correct 163 ms 308856 KB Output is correct
30 Correct 183 ms 308832 KB Output is correct
31 Correct 201 ms 308860 KB Output is correct
32 Correct 174 ms 308856 KB Output is correct
33 Correct 184 ms 308984 KB Output is correct
34 Correct 189 ms 308864 KB Output is correct
35 Correct 171 ms 308728 KB Output is correct
36 Correct 162 ms 308728 KB Output is correct
37 Correct 166 ms 308728 KB Output is correct
38 Correct 172 ms 308600 KB Output is correct
39 Correct 169 ms 308728 KB Output is correct
40 Correct 210 ms 308856 KB Output is correct
41 Correct 174 ms 308732 KB Output is correct
42 Correct 205 ms 308856 KB Output is correct
43 Correct 203 ms 308856 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 308600 KB Output is correct
2 Correct 161 ms 308600 KB Output is correct
3 Correct 159 ms 308600 KB Output is correct
4 Correct 158 ms 308776 KB Output is correct
5 Correct 151 ms 308600 KB Output is correct
6 Correct 157 ms 308600 KB Output is correct
7 Correct 150 ms 308600 KB Output is correct
8 Correct 158 ms 308728 KB Output is correct
9 Correct 152 ms 308600 KB Output is correct
10 Correct 151 ms 308600 KB Output is correct
11 Execution timed out 3108 ms 312952 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 308600 KB Output is correct
2 Correct 160 ms 308612 KB Output is correct
3 Correct 188 ms 308856 KB Output is correct
4 Correct 175 ms 308856 KB Output is correct
5 Correct 176 ms 308856 KB Output is correct
6 Correct 176 ms 308856 KB Output is correct
7 Correct 177 ms 308856 KB Output is correct
8 Correct 155 ms 308472 KB Output is correct
9 Correct 156 ms 308600 KB Output is correct
10 Correct 159 ms 308728 KB Output is correct
11 Correct 171 ms 308728 KB Output is correct
12 Correct 179 ms 308856 KB Output is correct
13 Correct 161 ms 308600 KB Output is correct
14 Correct 172 ms 308856 KB Output is correct
15 Correct 155 ms 308600 KB Output is correct
16 Correct 173 ms 308728 KB Output is correct
17 Correct 155 ms 308600 KB Output is correct
18 Correct 184 ms 308752 KB Output is correct
19 Correct 155 ms 308476 KB Output is correct
20 Correct 164 ms 308728 KB Output is correct
21 Correct 161 ms 308728 KB Output is correct
22 Correct 160 ms 308600 KB Output is correct
23 Correct 187 ms 308728 KB Output is correct
24 Correct 156 ms 308600 KB Output is correct
25 Correct 177 ms 308856 KB Output is correct
26 Correct 178 ms 308856 KB Output is correct
27 Correct 166 ms 308788 KB Output is correct
28 Correct 179 ms 308856 KB Output is correct
29 Correct 163 ms 308856 KB Output is correct
30 Correct 183 ms 308832 KB Output is correct
31 Correct 201 ms 308860 KB Output is correct
32 Correct 174 ms 308856 KB Output is correct
33 Correct 184 ms 308984 KB Output is correct
34 Correct 189 ms 308864 KB Output is correct
35 Correct 171 ms 308728 KB Output is correct
36 Correct 162 ms 308728 KB Output is correct
37 Correct 166 ms 308728 KB Output is correct
38 Correct 172 ms 308600 KB Output is correct
39 Correct 169 ms 308728 KB Output is correct
40 Correct 210 ms 308856 KB Output is correct
41 Correct 174 ms 308732 KB Output is correct
42 Correct 205 ms 308856 KB Output is correct
43 Correct 203 ms 308856 KB Output is correct
44 Correct 745 ms 308984 KB Output is correct
45 Correct 163 ms 308600 KB Output is correct
46 Correct 202 ms 308856 KB Output is correct
47 Correct 329 ms 309112 KB Output is correct
48 Correct 201 ms 308984 KB Output is correct
49 Correct 338 ms 309112 KB Output is correct
50 Correct 413 ms 309112 KB Output is correct
51 Execution timed out 3057 ms 309624 KB Time limit exceeded
52 Halted 0 ms 0 KB -

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 308600 KB Output is correct
2 Correct 160 ms 308612 KB Output is correct
3 Correct 188 ms 308856 KB Output is correct
4 Correct 175 ms 308856 KB Output is correct
5 Correct 176 ms 308856 KB Output is correct
6 Correct 176 ms 308856 KB Output is correct
7 Correct 177 ms 308856 KB Output is correct
8 Correct 155 ms 308472 KB Output is correct
9 Correct 156 ms 308600 KB Output is correct
10 Correct 159 ms 308728 KB Output is correct
11 Correct 171 ms 308728 KB Output is correct
12 Correct 179 ms 308856 KB Output is correct
13 Correct 161 ms 308600 KB Output is correct
14 Correct 172 ms 308856 KB Output is correct
15 Correct 155 ms 308600 KB Output is correct
16 Correct 173 ms 308728 KB Output is correct
17 Correct 155 ms 308600 KB Output is correct
18 Correct 184 ms 308752 KB Output is correct
19 Correct 155 ms 308476 KB Output is correct
20 Correct 164 ms 308728 KB Output is correct
21 Correct 161 ms 308728 KB Output is correct
22 Correct 160 ms 308600 KB Output is correct
23 Correct 187 ms 308728 KB Output is correct
24 Correct 156 ms 308600 KB Output is correct
25 Correct 177 ms 308856 KB Output is correct
26 Correct 178 ms 308856 KB Output is correct
27 Correct 166 ms 308788 KB Output is correct
28 Correct 179 ms 308856 KB Output is correct
29 Correct 163 ms 308856 KB Output is correct
30 Correct 183 ms 308832 KB Output is correct
31 Correct 201 ms 308860 KB Output is correct
32 Correct 174 ms 308856 KB Output is correct
33 Correct 184 ms 308984 KB Output is correct
34 Correct 189 ms 308864 KB Output is correct
35 Correct 171 ms 308728 KB Output is correct
36 Correct 162 ms 308728 KB Output is correct
37 Correct 166 ms 308728 KB Output is correct
38 Correct 172 ms 308600 KB Output is correct
39 Correct 169 ms 308728 KB Output is correct
40 Correct 210 ms 308856 KB Output is correct
41 Correct 174 ms 308732 KB Output is correct
42 Correct 205 ms 308856 KB Output is correct
43 Correct 203 ms 308856 KB Output is correct
44 Correct 159 ms 308600 KB Output is correct
45 Correct 1103 ms 312952 KB Output is correct
46 Correct 424 ms 311708 KB Output is correct
47 Correct 1077 ms 313208 KB Output is correct
48 Correct 1056 ms 312952 KB Output is correct
49 Correct 353 ms 311488 KB Output is correct
50 Correct 1665 ms 313848 KB Output is correct
51 Correct 1083 ms 313168 KB Output is correct
52 Correct 367 ms 311368 KB Output is correct
53 Correct 339 ms 311412 KB Output is correct
54 Correct 184 ms 309116 KB Output is correct
55 Correct 1663 ms 313716 KB Output is correct
56 Correct 225 ms 310856 KB Output is correct
57 Correct 361 ms 311416 KB Output is correct
58 Correct 456 ms 311672 KB Output is correct
59 Correct 229 ms 310904 KB Output is correct
60 Correct 233 ms 310952 KB Output is correct
61 Correct 396 ms 311544 KB Output is correct
62 Correct 293 ms 311160 KB Output is correct
63 Correct 528 ms 311672 KB Output is correct
64 Correct 232 ms 310904 KB Output is correct
65 Correct 728 ms 312356 KB Output is correct
66 Correct 290 ms 311160 KB Output is correct
67 Correct 524 ms 311672 KB Output is correct
68 Correct 659 ms 312056 KB Output is correct
69 Correct 732 ms 312440 KB Output is correct
70 Correct 301 ms 311368 KB Output is correct
71 Correct 676 ms 312220 KB Output is correct
72 Correct 488 ms 311816 KB Output is correct
73 Correct 892 ms 312568 KB Output is correct
74 Correct 323 ms 311160 KB Output is correct
75 Correct 369 ms 310136 KB Output is correct
76 Correct 497 ms 311800 KB Output is correct
77 Correct 871 ms 312440 KB Output is correct
78 Correct 521 ms 310520 KB Output is correct
79 Correct 375 ms 310136 KB Output is correct
80 Correct 259 ms 309368 KB Output is correct
81 Correct 520 ms 310520 KB Output is correct
82 Correct 585 ms 311800 KB Output is correct
83 Correct 262 ms 309608 KB Output is correct
84 Correct 599 ms 312008 KB Output is correct