oj.uz

Submission #105887

# Submission time Handle Problem Language Result Execution time Memory
105887 2019-04-15T14:32:36 Z Kepperoni Mergers (JOI19_mergers) C++14
100 / 100
 1345 ms 63452 KB 
#include <bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define all(x) x.begin(), x.end()

using namespace std;

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

const int MAXN = 5e5 + 10;

int n, kk;
int gr[MAXN];
int le[MAXN], ri[MAXN];
int fi[MAXN], se[MAXN];
int cmi[MAXN], cma[MAXN], cnt[MAXN], tr[MAXN];
vector<int> k[MAXN];

int leaf = 1;
int ccnt = 1;
void prep(int v, int p = 0){
	le[v] = ccnt;
	ri[v] = ccnt;
	fi[gr[v]] = min(fi[gr[v]], ccnt);
	se[gr[v]] = max(se[gr[v]], ccnt);
	ccnt++;

	for(auto x : k[v]){
		if(x != p){
			prep(x, v);
			ri[v] = ri[x];
		}
	}
}

void go(int v, int p = 0){
	cmi[v] = fi[gr[v]];
	cma[v] = se[gr[v]];
	for(auto x : k[v]){
		if(x != p){
			go(x, v);				
			cmi[v] = min(cmi[v], cmi[x]);
			cma[v] = max(cma[v], cma[x]);
			cnt[v] += cnt[x];
		}
	}

	if(cmi[v] >= le[v] && cma[v] <= ri[v]){
		if(cnt[v] == 0 && v != 1)
			leaf++;
		if(cnt[v] == 1 && v == 1)
			leaf++;

		cnt[v] = 1;
	}
}

int main(){
	scanf(" %d %d", &n, &kk);
	
	for(int i=0; i<n-1; i++){
		int ca, cb; scanf(" %d %d", &ca, &cb);
		k[ca].pb(cb);
		k[cb].pb(ca);
	}

	for(int i=1; i<=n; i++) scanf(" %d", &gr[i]);
	for(int i=1; i<=kk; i++) fi[i] = 1e6;

	prep(1);
	go(1);

	printf("%d\n", leaf/2);
}

Compilation message

mergers.cpp: In function 'int main()':
mergers.cpp:61:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf(" %d %d", &n, &kk);
  ~~~~~^~~~~~~~~~~~~~~~~~~
mergers.cpp:64:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int ca, cb; scanf(" %d %d", &ca, &cb);
               ~~~~~^~~~~~~~~~~~~~~~~~~~
mergers.cpp:69:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1; i<=n; i++) scanf(" %d", &gr[i]);
                          ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 12160 KB Output is correct
2 Correct 13 ms 12160 KB Output is correct
3 Correct 14 ms 12160 KB Output is correct
4 Correct 14 ms 12160 KB Output is correct
5 Correct 15 ms 12288 KB Output is correct
6 Correct 10 ms 12160 KB Output is correct
7 Correct 14 ms 12108 KB Output is correct
8 Correct 14 ms 12160 KB Output is correct
9 Correct 14 ms 12160 KB Output is correct
10 Correct 13 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 14 ms 12288 KB Output is correct
13 Correct 13 ms 12160 KB Output is correct
14 Correct 15 ms 12160 KB Output is correct
15 Correct 16 ms 12160 KB Output is correct
16 Correct 15 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 15 ms 12160 KB Output is correct
19 Correct 13 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 13 ms 12160 KB Output is correct
22 Correct 15 ms 12160 KB Output is correct
23 Correct 14 ms 12160 KB Output is correct
24 Correct 16 ms 12160 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 12160 KB Output is correct
2 Correct 13 ms 12160 KB Output is correct
3 Correct 14 ms 12160 KB Output is correct
4 Correct 14 ms 12160 KB Output is correct
5 Correct 15 ms 12288 KB Output is correct
6 Correct 10 ms 12160 KB Output is correct
7 Correct 14 ms 12108 KB Output is correct
8 Correct 14 ms 12160 KB Output is correct
9 Correct 14 ms 12160 KB Output is correct
10 Correct 13 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 14 ms 12288 KB Output is correct
13 Correct 13 ms 12160 KB Output is correct
14 Correct 15 ms 12160 KB Output is correct
15 Correct 16 ms 12160 KB Output is correct
16 Correct 15 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 15 ms 12160 KB Output is correct
19 Correct 13 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 13 ms 12160 KB Output is correct
22 Correct 15 ms 12160 KB Output is correct
23 Correct 14 ms 12160 KB Output is correct
24 Correct 16 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 17 ms 12288 KB Output is correct
27 Correct 17 ms 12420 KB Output is correct
28 Correct 16 ms 12536 KB Output is correct
29 Correct 17 ms 12416 KB Output is correct
30 Correct 16 ms 12288 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 16 ms 12416 KB Output is correct
33 Correct 17 ms 12160 KB Output is correct
34 Correct 17 ms 12288 KB Output is correct
35 Correct 19 ms 12288 KB Output is correct
36 Correct 19 ms 12288 KB Output is correct
37 Correct 17 ms 12288 KB Output is correct
38 Correct 13 ms 12160 KB Output is correct
39 Correct 16 ms 12160 KB Output is correct
40 Correct 17 ms 12288 KB Output is correct
41 Correct 17 ms 12288 KB Output is correct
42 Correct 15 ms 12288 KB Output is correct
43 Correct 19 ms 12416 KB Output is correct
44 Correct 16 ms 12160 KB Output is correct
45 Correct 16 ms 12288 KB Output is correct
46 Correct 15 ms 12288 KB Output is correct
47 Correct 14 ms 12160 KB Output is correct
48 Correct 15 ms 12288 KB Output is correct
49 Correct 13 ms 12288 KB Output is correct
50 Correct 19 ms 12288 KB Output is correct
51 Correct 16 ms 12288 KB Output is correct
52 Correct 15 ms 12288 KB Output is correct
53 Correct 15 ms 12288 KB Output is correct
54 Correct 14 ms 12288 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 12160 KB Output is correct
2 Correct 13 ms 12160 KB Output is correct
3 Correct 14 ms 12160 KB Output is correct
4 Correct 14 ms 12160 KB Output is correct
5 Correct 15 ms 12288 KB Output is correct
6 Correct 10 ms 12160 KB Output is correct
7 Correct 14 ms 12108 KB Output is correct
8 Correct 14 ms 12160 KB Output is correct
9 Correct 14 ms 12160 KB Output is correct
10 Correct 13 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 14 ms 12288 KB Output is correct
13 Correct 13 ms 12160 KB Output is correct
14 Correct 15 ms 12160 KB Output is correct
15 Correct 16 ms 12160 KB Output is correct
16 Correct 15 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 15 ms 12160 KB Output is correct
19 Correct 13 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 13 ms 12160 KB Output is correct
22 Correct 15 ms 12160 KB Output is correct
23 Correct 14 ms 12160 KB Output is correct
24 Correct 16 ms 12160 KB Output is correct
25 Correct 13 ms 12160 KB Output is correct
26 Correct 112 ms 17780 KB Output is correct
27 Correct 143 ms 17784 KB Output is correct
28 Correct 17 ms 12288 KB Output is correct
29 Correct 16 ms 12160 KB Output is correct
30 Correct 16 ms 12144 KB Output is correct
31 Correct 136 ms 17760 KB Output is correct
32 Correct 15 ms 12288 KB Output is correct
33 Correct 212 ms 23516 KB Output is correct
34 Correct 141 ms 17828 KB Output is correct
35 Correct 17 ms 12336 KB Output is correct
36 Correct 172 ms 18292 KB Output is correct
37 Correct 15 ms 12288 KB Output is correct
38 Correct 15 ms 12288 KB Output is correct
39 Correct 99 ms 17648 KB Output is correct
40 Correct 14 ms 12416 KB Output is correct
41 Correct 138 ms 17668 KB Output is correct
42 Correct 160 ms 19588 KB Output is correct
43 Correct 13 ms 12160 KB Output is correct
44 Correct 155 ms 23804 KB Output is correct
45 Correct 142 ms 20600 KB Output is correct
46 Correct 14 ms 12288 KB Output is correct
47 Correct 15 ms 12288 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 102 ms 17620 KB Output is correct
2 Correct 88 ms 18800 KB Output is correct
3 Correct 16 ms 12288 KB Output is correct
4 Correct 15 ms 12288 KB Output is correct
5 Correct 13 ms 12160 KB Output is correct
6 Correct 12 ms 12160 KB Output is correct
7 Correct 17 ms 12288 KB Output is correct
8 Correct 147 ms 18124 KB Output is correct
9 Correct 16 ms 12288 KB Output is correct
10 Correct 133 ms 17720 KB Output is correct
11 Correct 14 ms 12132 KB Output is correct
12 Correct 195 ms 17644 KB Output is correct
13 Correct 190 ms 18100 KB Output is correct
14 Correct 155 ms 18572 KB Output is correct
15 Correct 105 ms 17648 KB Output is correct
16 Correct 16 ms 12260 KB Output is correct
17 Correct 17 ms 12120 KB Output is correct
18 Correct 105 ms 18672 KB Output is correct
19 Correct 181 ms 21752 KB Output is correct
20 Correct 17 ms 12288 KB Output is correct
21 Correct 14 ms 12160 KB Output is correct
22 Correct 95 ms 18416 KB Output is correct
23 Correct 15 ms 12288 KB Output is correct
24 Correct 155 ms 17728 KB Output is correct
25 Correct 140 ms 20472 KB Output is correct
26 Correct 14 ms 12416 KB Output is correct
27 Correct 15 ms 12416 KB Output is correct
28 Correct 14 ms 12288 KB Output is correct
29 Correct 16 ms 12288 KB Output is correct
30 Correct 19 ms 12288 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 12160 KB Output is correct
2 Correct 13 ms 12160 KB Output is correct
3 Correct 14 ms 12160 KB Output is correct
4 Correct 14 ms 12160 KB Output is correct
5 Correct 15 ms 12288 KB Output is correct
6 Correct 10 ms 12160 KB Output is correct
7 Correct 14 ms 12108 KB Output is correct
8 Correct 14 ms 12160 KB Output is correct
9 Correct 14 ms 12160 KB Output is correct
10 Correct 13 ms 12160 KB Output is correct
11 Correct 15 ms 12160 KB Output is correct
12 Correct 14 ms 12288 KB Output is correct
13 Correct 13 ms 12160 KB Output is correct
14 Correct 15 ms 12160 KB Output is correct
15 Correct 16 ms 12160 KB Output is correct
16 Correct 15 ms 12160 KB Output is correct
17 Correct 15 ms 12160 KB Output is correct
18 Correct 15 ms 12160 KB Output is correct
19 Correct 13 ms 12160 KB Output is correct
20 Correct 15 ms 12160 KB Output is correct
21 Correct 13 ms 12160 KB Output is correct
22 Correct 15 ms 12160 KB Output is correct
23 Correct 14 ms 12160 KB Output is correct
24 Correct 16 ms 12160 KB Output is correct
25 Correct 14 ms 12160 KB Output is correct
26 Correct 17 ms 12288 KB Output is correct
27 Correct 17 ms 12420 KB Output is correct
28 Correct 16 ms 12536 KB Output is correct
29 Correct 17 ms 12416 KB Output is correct
30 Correct 16 ms 12288 KB Output is correct
31 Correct 15 ms 12160 KB Output is correct
32 Correct 16 ms 12416 KB Output is correct
33 Correct 17 ms 12160 KB Output is correct
34 Correct 17 ms 12288 KB Output is correct
35 Correct 19 ms 12288 KB Output is correct
36 Correct 19 ms 12288 KB Output is correct
37 Correct 17 ms 12288 KB Output is correct
38 Correct 13 ms 12160 KB Output is correct
39 Correct 16 ms 12160 KB Output is correct
40 Correct 17 ms 12288 KB Output is correct
41 Correct 17 ms 12288 KB Output is correct
42 Correct 15 ms 12288 KB Output is correct
43 Correct 19 ms 12416 KB Output is correct
44 Correct 16 ms 12160 KB Output is correct
45 Correct 16 ms 12288 KB Output is correct
46 Correct 15 ms 12288 KB Output is correct
47 Correct 14 ms 12160 KB Output is correct
48 Correct 15 ms 12288 KB Output is correct
49 Correct 13 ms 12288 KB Output is correct
50 Correct 19 ms 12288 KB Output is correct
51 Correct 16 ms 12288 KB Output is correct
52 Correct 15 ms 12288 KB Output is correct
53 Correct 15 ms 12288 KB Output is correct
54 Correct 14 ms 12288 KB Output is correct
55 Correct 13 ms 12160 KB Output is correct
56 Correct 112 ms 17780 KB Output is correct
57 Correct 143 ms 17784 KB Output is correct
58 Correct 17 ms 12288 KB Output is correct
59 Correct 16 ms 12160 KB Output is correct
60 Correct 16 ms 12144 KB Output is correct
61 Correct 136 ms 17760 KB Output is correct
62 Correct 15 ms 12288 KB Output is correct
63 Correct 212 ms 23516 KB Output is correct
64 Correct 141 ms 17828 KB Output is correct
65 Correct 17 ms 12336 KB Output is correct
66 Correct 172 ms 18292 KB Output is correct
67 Correct 15 ms 12288 KB Output is correct
68 Correct 15 ms 12288 KB Output is correct
69 Correct 99 ms 17648 KB Output is correct
70 Correct 14 ms 12416 KB Output is correct
71 Correct 138 ms 17668 KB Output is correct
72 Correct 160 ms 19588 KB Output is correct
73 Correct 13 ms 12160 KB Output is correct
74 Correct 155 ms 23804 KB Output is correct
75 Correct 142 ms 20600 KB Output is correct
76 Correct 14 ms 12288 KB Output is correct
77 Correct 15 ms 12288 KB Output is correct
78 Correct 102 ms 17620 KB Output is correct
79 Correct 88 ms 18800 KB Output is correct
80 Correct 16 ms 12288 KB Output is correct
81 Correct 15 ms 12288 KB Output is correct
82 Correct 13 ms 12160 KB Output is correct
83 Correct 12 ms 12160 KB Output is correct
84 Correct 17 ms 12288 KB Output is correct
85 Correct 147 ms 18124 KB Output is correct
86 Correct 16 ms 12288 KB Output is correct
87 Correct 133 ms 17720 KB Output is correct
88 Correct 14 ms 12132 KB Output is correct
89 Correct 195 ms 17644 KB Output is correct
90 Correct 190 ms 18100 KB Output is correct
91 Correct 155 ms 18572 KB Output is correct
92 Correct 105 ms 17648 KB Output is correct
93 Correct 16 ms 12260 KB Output is correct
94 Correct 17 ms 12120 KB Output is correct
95 Correct 105 ms 18672 KB Output is correct
96 Correct 181 ms 21752 KB Output is correct
97 Correct 17 ms 12288 KB Output is correct
98 Correct 14 ms 12160 KB Output is correct
99 Correct 95 ms 18416 KB Output is correct
100 Correct 15 ms 12288 KB Output is correct
101 Correct 155 ms 17728 KB Output is correct
102 Correct 140 ms 20472 KB Output is correct
103 Correct 14 ms 12416 KB Output is correct
104 Correct 15 ms 12416 KB Output is correct
105 Correct 14 ms 12288 KB Output is correct
106 Correct 16 ms 12288 KB Output is correct
107 Correct 19 ms 12288 KB Output is correct
108 Correct 625 ms 43020 KB Output is correct
109 Correct 1014 ms 54440 KB Output is correct
110 Correct 1079 ms 63452 KB Output is correct
111 Correct 1272 ms 62396 KB Output is correct
112 Correct 1345 ms 54388 KB Output is correct
113 Correct 790 ms 45016 KB Output is correct
114 Correct 908 ms 40136 KB Output is correct
115 Correct 935 ms 40124 KB Output is correct
116 Correct 1010 ms 40784 KB Output is correct
117 Correct 1099 ms 44152 KB Output is correct
118 Correct 868 ms 39680 KB Output is correct
119 Correct 1162 ms 44004 KB Output is correct
120 Correct 1124 ms 55104 KB Output is correct
121 Correct 1028 ms 44004 KB Output is correct
122 Correct 1012 ms 42372 KB Output is correct
123 Correct 708 ms 45352 KB Output is correct
124 Correct 1095 ms 43244 KB Output is correct