NOI.AC
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #212748 | #3829. C | wushuyu | 0 | 62ms | 5856kb | C++11 | 423b | 2024-10-20 10:26:29 | 2024-10-20 12:41:01 |
answer
#include<bits/stdc++.h>
using namespace std;
vector <long long > tree[100001];
long long n,ma;
void sss(long long n)
{
if(tree[n].size()==0)
return ;
if(n!=1)
ma+=tree[n].size()-1;
for(long long i=0;i<tree[n].size();i++)
sss(tree[n][i]);
return ;
}
int main()
{
cin>>n;
ma=n-1;
while(--n)
{
long long u,v;
cin>>u>>v;
tree[u].push_back(v);
}
sss(1);
cout<<ma;
return 0;
}
Details
小提示：点击横条可展开更详细的信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 10
Accepted
time: 0ms
memory: 3572kb
input:
5 3 1 1 5 2 4 5 4
output:
4
result:
ok 1 number(s): "4"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
5 5 1 1 4 4 2 2 3
output:
4
result:
ok 1 number(s): "4"
Test #3:
score: -10
Wrong Answer
time: 0ms
memory: 3584kb
input:
5 4 5 4 3 4 1 4 2
output:
4
result:
wrong answer 1st numbers differ - expected: '6', found: '4'
Subtask #2:
score: 0
Wrong Answer
Test #4:
score: 0
Wrong Answer
time: 0ms
memory: 3592kb
input:
100 63 38 17 33 44 12 9 66 21 98 2 49 68 67 75 42 78 25 92 6 67 17 90 19 48 51 83 9 20 94 68 4 64 58...
output:
99
result:
wrong answer 1st numbers differ - expected: '167', found: '99'
Subtask #3:
score: 0
Wrong Answer
Test #10:
score: 0
Wrong Answer
time: 0ms
memory: 3608kb
input:
1000 228 978 939 994 911 13 8 806 680 958 779 832 673 924 627 806 354 476 320 218 766 848 171 944 90...
output:
999
result:
wrong answer 1st numbers differ - expected: '1893', found: '999'
Subtask #4:
score: 0
Wrong Answer
Test #16:
score: 0
Wrong Answer
time: 61ms
memory: 5856kb
input:
100000 44881 88880 79640 18741 56510 31493 27649 50461 7015 98523 26337 91384 17594 52397 37312 3409...
output:
99999
result:
wrong answer 1st numbers differ - expected: '199052', found: '99999'
Subtask #5:
score: 0
Runtime Error
Test #22:
score: 0
Runtime Error
input:
1000000 198444 939986 569807 470692 847908 557044 739959 80274 772656 222835 832266 382872 267873 10...
