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Submission #45902

# Submission time Handle Problem Language Result Execution time Memory
45902 2018-04-16T12:31:38 Z gnoor Fireworks (APIO16_fireworks) C++17
100 / 100
 302 ms 122264 KB 
#include <cstdio>
#include <algorithm>
#include <queue>

using namespace std;

int par[300100];
int wgt[300100];

int mm[300100];
long long cc[300100];

priority_queue<long long> q[300100];


int main () {
	int n,m;
	scanf("%d%d",&n,&m);
	for (int i=2;i<=n+m;i++) {
		scanf("%d%d",&par[i],&wgt[i]);
	}
	//long long p,q;
	for (int i=n+m;i>=n+1;i--) {
		mm[i]=1;
		cc[i]=-wgt[i];	
		q[i].push(wgt[i]);
		q[i].push(wgt[i]);	
		
		if (q[i].size()>q[par[i]].size()) swap(q[i],q[par[i]]);
		while (q[i].size()) {
			q[par[i]].push(q[i].top());
			q[i].pop();
		}
		mm[par[i]]+=mm[i];
		cc[par[i]]+=cc[i];
	}
	
	long long aa,bb;
	for (int i=n;i>=2;i--) {
		while (mm[i]>1) {
			cc[i]+=q[i].top();
			q[i].pop();
			mm[i]--;
		}
		aa=q[i].top();
		q[i].pop();
		bb=q[i].top();
		q[i].pop();
		q[i].push(aa+wgt[i]);
		q[i].push(bb+wgt[i]);
		cc[i]-=wgt[i];

		if (q[i].size()>q[par[i]].size()) swap(q[i],q[par[i]]);
		while (q[i].size()) {
			q[par[i]].push(q[i].top());
			q[i].pop();
		}
		mm[par[i]]+=mm[i];
		cc[par[i]]+=cc[i];
	}

	while (mm[1]>0) {
		cc[1]+=q[1].top();
		q[1].pop();
		mm[1]--;
	}
	printf("%lld\n",cc[1]);

	return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
fireworks.cpp:20:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&par[i],&wgt[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Output is correct
2 Correct 9 ms 9832 KB Output is correct
3 Correct 9 ms 9900 KB Output is correct
4 Correct 9 ms 9900 KB Output is correct
5 Correct 9 ms 9908 KB Output is correct
6 Correct 9 ms 9908 KB Output is correct
7 Correct 9 ms 9908 KB Output is correct
8 Correct 9 ms 9908 KB Output is correct
9 Correct 9 ms 9908 KB Output is correct
10 Correct 9 ms 9952 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9952 KB Output is correct
2 Correct 9 ms 9956 KB Output is correct
3 Correct 9 ms 9956 KB Output is correct
4 Correct 11 ms 9956 KB Output is correct
5 Correct 9 ms 9956 KB Output is correct
6 Correct 10 ms 9956 KB Output is correct
7 Correct 9 ms 9956 KB Output is correct
8 Correct 9 ms 9956 KB Output is correct
9 Correct 9 ms 9956 KB Output is correct
10 Correct 10 ms 9964 KB Output is correct
11 Correct 9 ms 9980 KB Output is correct
12 Correct 9 ms 10108 KB Output is correct
13 Correct 11 ms 10108 KB Output is correct
14 Correct 8 ms 10108 KB Output is correct
15 Correct 9 ms 10108 KB Output is correct
16 Correct 9 ms 10108 KB Output is correct
17 Correct 9 ms 10108 KB Output is correct
18 Correct 10 ms 10108 KB Output is correct
19 Correct 9 ms 10108 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Output is correct
2 Correct 9 ms 9832 KB Output is correct
3 Correct 9 ms 9900 KB Output is correct
4 Correct 9 ms 9900 KB Output is correct
5 Correct 9 ms 9908 KB Output is correct
6 Correct 9 ms 9908 KB Output is correct
7 Correct 9 ms 9908 KB Output is correct
8 Correct 9 ms 9908 KB Output is correct
9 Correct 9 ms 9908 KB Output is correct
10 Correct 9 ms 9952 KB Output is correct
11 Correct 8 ms 9952 KB Output is correct
12 Correct 9 ms 9956 KB Output is correct
13 Correct 9 ms 9956 KB Output is correct
14 Correct 11 ms 9956 KB Output is correct
15 Correct 9 ms 9956 KB Output is correct
16 Correct 10 ms 9956 KB Output is correct
17 Correct 9 ms 9956 KB Output is correct
18 Correct 9 ms 9956 KB Output is correct
19 Correct 9 ms 9956 KB Output is correct
20 Correct 10 ms 9964 KB Output is correct
21 Correct 9 ms 9980 KB Output is correct
22 Correct 9 ms 10108 KB Output is correct
23 Correct 11 ms 10108 KB Output is correct
24 Correct 8 ms 10108 KB Output is correct
25 Correct 9 ms 10108 KB Output is correct
26 Correct 9 ms 10108 KB Output is correct
27 Correct 9 ms 10108 KB Output is correct
28 Correct 10 ms 10108 KB Output is correct
29 Correct 9 ms 10108 KB Output is correct
30 Correct 9 ms 10108 KB Output is correct
31 Correct 12 ms 10108 KB Output is correct
32 Correct 11 ms 10112 KB Output is correct
33 Correct 13 ms 10196 KB Output is correct
34 Correct 12 ms 10360 KB Output is correct
35 Correct 11 ms 10404 KB Output is correct
36 Correct 11 ms 10544 KB Output is correct
37 Correct 15 ms 10544 KB Output is correct
38 Correct 12 ms 10680 KB Output is correct
39 Correct 15 ms 10816 KB Output is correct
40 Correct 11 ms 10816 KB Output is correct
41 Correct 11 ms 10816 KB Output is correct
42 Correct 14 ms 10896 KB Output is correct
43 Correct 12 ms 11028 KB Output is correct
44 Correct 12 ms 11232 KB Output is correct
45 Correct 12 ms 11232 KB Output is correct
46 Correct 14 ms 11504 KB Output is correct
47 Correct 14 ms 11624 KB Output is correct
48 Correct 13 ms 11624 KB Output is correct
49 Correct 13 ms 11688 KB Output is correct
50 Correct 13 ms 11688 KB Output is correct
51 Correct 11 ms 11688 KB Output is correct
52 Correct 16 ms 11768 KB Output is correct
53 Correct 12 ms 11868 KB Output is correct
54 Correct 12 ms 11868 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 9720 KB Output is correct
2 Correct 9 ms 9832 KB Output is correct
3 Correct 9 ms 9900 KB Output is correct
4 Correct 9 ms 9900 KB Output is correct
5 Correct 9 ms 9908 KB Output is correct
6 Correct 9 ms 9908 KB Output is correct
7 Correct 9 ms 9908 KB Output is correct
8 Correct 9 ms 9908 KB Output is correct
9 Correct 9 ms 9908 KB Output is correct
10 Correct 9 ms 9952 KB Output is correct
11 Correct 8 ms 9952 KB Output is correct
12 Correct 9 ms 9956 KB Output is correct
13 Correct 9 ms 9956 KB Output is correct
14 Correct 11 ms 9956 KB Output is correct
15 Correct 9 ms 9956 KB Output is correct
16 Correct 10 ms 9956 KB Output is correct
17 Correct 9 ms 9956 KB Output is correct
18 Correct 9 ms 9956 KB Output is correct
19 Correct 9 ms 9956 KB Output is correct
20 Correct 10 ms 9964 KB Output is correct
21 Correct 9 ms 9980 KB Output is correct
22 Correct 9 ms 10108 KB Output is correct
23 Correct 11 ms 10108 KB Output is correct
24 Correct 8 ms 10108 KB Output is correct
25 Correct 9 ms 10108 KB Output is correct
26 Correct 9 ms 10108 KB Output is correct
27 Correct 9 ms 10108 KB Output is correct
28 Correct 10 ms 10108 KB Output is correct
29 Correct 9 ms 10108 KB Output is correct
30 Correct 9 ms 10108 KB Output is correct
31 Correct 12 ms 10108 KB Output is correct
32 Correct 11 ms 10112 KB Output is correct
33 Correct 13 ms 10196 KB Output is correct
34 Correct 12 ms 10360 KB Output is correct
35 Correct 11 ms 10404 KB Output is correct
36 Correct 11 ms 10544 KB Output is correct
37 Correct 15 ms 10544 KB Output is correct
38 Correct 12 ms 10680 KB Output is correct
39 Correct 15 ms 10816 KB Output is correct
40 Correct 11 ms 10816 KB Output is correct
41 Correct 11 ms 10816 KB Output is correct
42 Correct 14 ms 10896 KB Output is correct
43 Correct 12 ms 11028 KB Output is correct
44 Correct 12 ms 11232 KB Output is correct
45 Correct 12 ms 11232 KB Output is correct
46 Correct 14 ms 11504 KB Output is correct
47 Correct 14 ms 11624 KB Output is correct
48 Correct 13 ms 11624 KB Output is correct
49 Correct 13 ms 11688 KB Output is correct
50 Correct 13 ms 11688 KB Output is correct
51 Correct 11 ms 11688 KB Output is correct
52 Correct 16 ms 11768 KB Output is correct
53 Correct 12 ms 11868 KB Output is correct
54 Correct 12 ms 11868 KB Output is correct
55 Correct 17 ms 12420 KB Output is correct
56 Correct 40 ms 15428 KB Output is correct
57 Correct 90 ms 18580 KB Output is correct
58 Correct 80 ms 21712 KB Output is correct
59 Correct 140 ms 25656 KB Output is correct
60 Correct 172 ms 30296 KB Output is correct
61 Correct 161 ms 35244 KB Output is correct
62 Correct 170 ms 39800 KB Output is correct
63 Correct 211 ms 46504 KB Output is correct
64 Correct 216 ms 51512 KB Output is correct
65 Correct 103 ms 51512 KB Output is correct
66 Correct 101 ms 51512 KB Output is correct
67 Correct 100 ms 56248 KB Output is correct
68 Correct 174 ms 67820 KB Output is correct
69 Correct 200 ms 73296 KB Output is correct
70 Correct 210 ms 78088 KB Output is correct
71 Correct 302 ms 97716 KB Output is correct
72 Correct 242 ms 101976 KB Output is correct
73 Correct 221 ms 102652 KB Output is correct
74 Correct 218 ms 107180 KB Output is correct
75 Correct 211 ms 109632 KB Output is correct
76 Correct 217 ms 113432 KB Output is correct
77 Correct 227 ms 116760 KB Output is correct
78 Correct 229 ms 120556 KB Output is correct
79 Correct 218 ms 122264 KB Output is correct