답안 #244696

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
244696	2020-07-04T15:48:13 Z	TheLorax	Political Development (BOI17_politicaldevelopment)	C++11	16 / 100	163 ms	4600 KB

politicaldevelopment

#include <bits/stdc++.h>

//#pragma GCC optimize ("O3")
//#pragma GCC optimize ("Ofast")

#define F first
#define S second
#define MT make_tuple
#define MP make_pair
#define SZ(a) ((int)(a).size())
#define PB push_back
#define LEFT(i) (2*(i))
#define RIGHT(i) (2*(i)+1)
#define PAR(i) ((i)/2)
#define ALL(a) (a).begin(), (a).end()
#define END(s) {cout << s;return;}

using namespace std;

typedef long long ll;
typedef pair<ll, ll> ii;

int n;
std::vector<std::vector<int> > e;

void rek(int a, int f, int s){
  for(auto x: e[a]){
    if(x==s){
      printf("3\n");
      exit(0);
    } if(x==f)
      continue;
    if(s==-1)
      rek(x, a, f);
  }
}

int main(){
  int k;
  scanf("%d %d", &n, &k);
  e.resize(n);
  for(int i=0; i<n; i++){
    int d; scanf("%d", &d);
    for(int j=0; j<d; j++){
      int t;
      scanf("%d", &t);
      e[i].PB(t);
    }
  }

  //k<=3
  for(int i=0; i<n; i++)
    rek(i, -1, -1);
  //k<=2
  for(int i=0; i<n; i++)
    if(SZ(e[i])){
      printf("2\n");
      return 0;
    }
  //k<=1
  printf("1\n");
}

Compilation message

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:40:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &n, &k);
   ~~~~~^~~~~~~~~~~~~~~~~
politicaldevelopment.cpp:43:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int d; scanf("%d", &d);
            ~~~~~^~~~~~~~~~
politicaldevelopment.cpp:46:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &t);
       ~~~~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	8 ms	640 KB	Output is correct
4	Correct	163 ms	716 KB	Output is correct
5	Correct	162 ms	640 KB	Output is correct
6	Correct	11 ms	640 KB	Output is correct
7	Correct	10 ms	640 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	8 ms	640 KB	Output is correct
4	Correct	163 ms	716 KB	Output is correct
5	Correct	162 ms	640 KB	Output is correct
6	Correct	11 ms	640 KB	Output is correct
7	Correct	10 ms	640 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct
11	Correct	146 ms	768 KB	Output is correct
12	Correct	148 ms	760 KB	Output is correct
13	Correct	5 ms	512 KB	Output is correct
14	Correct	155 ms	760 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	10 ms	640 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	10 ms	640 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	640 KB	Output is correct
21	Correct	7 ms	640 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	8 ms	640 KB	Output is correct
24	Correct	5 ms	512 KB	Output is correct
25	Correct	8 ms	640 KB	Output is correct
26	Correct	9 ms	640 KB	Output is correct
27	Correct	8 ms	640 KB	Output is correct
28	Correct	9 ms	640 KB	Output is correct
29	Correct	8 ms	640 KB	Output is correct
30	Correct	111 ms	640 KB	Output is correct
31	Correct	9 ms	640 KB	Output is correct
32	Correct	114 ms	736 KB	Output is correct
33	Correct	10 ms	640 KB	Output is correct
34	Correct	9 ms	640 KB	Output is correct
35	Correct	7 ms	512 KB	Output is correct
36	Correct	7 ms	512 KB	Output is correct
37	Correct	7 ms	512 KB	Output is correct
38	Correct	7 ms	384 KB	Output is correct
39	Correct	8 ms	384 KB	Output is correct
40	Correct	9 ms	768 KB	Output is correct
41	Correct	7 ms	384 KB	Output is correct
42	Correct	10 ms	768 KB	Output is correct
43	Correct	10 ms	768 KB	Output is correct

Subtask #3
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	5 ms	256 KB	Output is correct
4	Correct	6 ms	256 KB	Output is correct
5	Incorrect	5 ms	384 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #4
0 / 38.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	8 ms	640 KB	Output is correct
4	Correct	163 ms	716 KB	Output is correct
5	Correct	162 ms	640 KB	Output is correct
6	Correct	11 ms	640 KB	Output is correct
7	Correct	10 ms	640 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct
11	Correct	146 ms	768 KB	Output is correct
12	Correct	148 ms	760 KB	Output is correct
13	Correct	5 ms	512 KB	Output is correct
14	Correct	155 ms	760 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	10 ms	640 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	10 ms	640 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	640 KB	Output is correct
21	Correct	7 ms	640 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	8 ms	640 KB	Output is correct
24	Correct	5 ms	512 KB	Output is correct
25	Correct	8 ms	640 KB	Output is correct
26	Correct	9 ms	640 KB	Output is correct
27	Correct	8 ms	640 KB	Output is correct
28	Correct	9 ms	640 KB	Output is correct
29	Correct	8 ms	640 KB	Output is correct
30	Correct	111 ms	640 KB	Output is correct
31	Correct	9 ms	640 KB	Output is correct
32	Correct	114 ms	736 KB	Output is correct
33	Correct	10 ms	640 KB	Output is correct
34	Correct	9 ms	640 KB	Output is correct
35	Correct	7 ms	512 KB	Output is correct
36	Correct	7 ms	512 KB	Output is correct
37	Correct	7 ms	512 KB	Output is correct
38	Correct	7 ms	384 KB	Output is correct
39	Correct	8 ms	384 KB	Output is correct
40	Correct	9 ms	768 KB	Output is correct
41	Correct	7 ms	384 KB	Output is correct
42	Correct	10 ms	768 KB	Output is correct
43	Correct	10 ms	768 KB	Output is correct
44	Incorrect	13 ms	896 KB	Output isn't correct
45	Halted	0 ms	0 KB	-

Subtask #5
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	5 ms	256 KB	Output is correct
3	Correct	8 ms	640 KB	Output is correct
4	Correct	163 ms	716 KB	Output is correct
5	Correct	162 ms	640 KB	Output is correct
6	Correct	11 ms	640 KB	Output is correct
7	Correct	10 ms	640 KB	Output is correct
8	Correct	5 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	7 ms	384 KB	Output is correct
11	Correct	146 ms	768 KB	Output is correct
12	Correct	148 ms	760 KB	Output is correct
13	Correct	5 ms	512 KB	Output is correct
14	Correct	155 ms	760 KB	Output is correct
15	Correct	5 ms	256 KB	Output is correct
16	Correct	10 ms	640 KB	Output is correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	10 ms	640 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	6 ms	640 KB	Output is correct
21	Correct	7 ms	640 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	8 ms	640 KB	Output is correct
24	Correct	5 ms	512 KB	Output is correct
25	Correct	8 ms	640 KB	Output is correct
26	Correct	9 ms	640 KB	Output is correct
27	Correct	8 ms	640 KB	Output is correct
28	Correct	9 ms	640 KB	Output is correct
29	Correct	8 ms	640 KB	Output is correct
30	Correct	111 ms	640 KB	Output is correct
31	Correct	9 ms	640 KB	Output is correct
32	Correct	114 ms	736 KB	Output is correct
33	Correct	10 ms	640 KB	Output is correct
34	Correct	9 ms	640 KB	Output is correct
35	Correct	7 ms	512 KB	Output is correct
36	Correct	7 ms	512 KB	Output is correct
37	Correct	7 ms	512 KB	Output is correct
38	Correct	7 ms	384 KB	Output is correct
39	Correct	8 ms	384 KB	Output is correct
40	Correct	9 ms	768 KB	Output is correct
41	Correct	7 ms	384 KB	Output is correct
42	Correct	10 ms	768 KB	Output is correct
43	Correct	10 ms	768 KB	Output is correct
44	Correct	5 ms	384 KB	Output is correct
45	Incorrect	75 ms	4600 KB	Output isn't correct
46	Halted	0 ms	0 KB	-

답안 #244696

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 12.0 / 12.0

Subtask #3 0 / 23.0

Subtask #4 0 / 38.0

Subtask #5 0 / 23.0

Subtask #1
4.0 / 4.0

Subtask #2
12.0 / 12.0

Subtask #3
0 / 23.0

Subtask #4
0 / 38.0

Subtask #5
0 / 23.0