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QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #586296 | #9310. Permutation Counting 4 | bobbyliuruiyu# | WA | 69ms | 3656kb | C++14 | 724b | 2024-09-24 10:34:04 | 2024-09-24 10:34:06 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
// #define int long long
#define endl "\n"
const int maxn=1e6+5;
bool vis[maxn];
void solve()
{
int n;
cin>>n;
for(int i=1;i<=n;i++) vis[i]=0;
int cnt=n;
for(int i=1;i<=n;i++)
{
int l,r;
cin>>l>>r;
if(l==r&&!vis[l])
{
vis[l]=1;
cnt--;
}
}
if(cnt&1) cout<<1<<endl;
else cout<<0<<endl;
}
signed main()
{
// freopen("a.in","r",stdin);
// freopen("a.out","w",stdout);
ios::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
int T;
cin>>T;
while(T--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3656kb
input:
4 5 1 2 1 5 1 2 1 2 2 2 5 1 1 2 4 2 3 5 5 3 4 5 3 5 1 2 3 4 3 5 3 3 5 1 5 1 4 4 5 5 5 1 2
output:
0 1 0 0
result:
ok 4 tokens
Test #2:
score: -100
Wrong Answer
time: 69ms
memory: 3648kb
input:
66725 14 7 7 4 6 7 8 8 13 2 13 6 13 6 10 14 14 1 10 9 11 7 9 3 8 4 12 5 12 12 2 6 3 6 7 11 2 5 1 1 6 12 8 12 2 3 7 9 7 8 1 10 1 4 10 4 8 4 4 6 10 9 10 2 3 2 7 1 3 3 4 2 2 3 10 20 3 12 10 14 19 20 19 20 1 9 7 9 13 16 17 17 16 18 2 11 5 19 6 17 11 17 3 6 3 11 7 20 8 17 3 18 10 15 9 20 16 5 10 2 10 2 1...
output:
0 1 0 1 1 1 1 0 1 0 0 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 1 0 0 1 1 1 0 1 1 0 0 1 1 0 1 1 0 0 0 0 1 0 0 1 1 0 1 1 1 1 0 0 1 1 0 1 0 1 1 0 1 1 1 0 0 0 1 1 0 0 0 1 0 0 1 1 1 0 1 0 1 0 0 1 0 0 1 1 1 1 1 1 1 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 1 1 0 1 0 0 0 1 1 0 1 1 1 0 0 0 0 1 1 0 0 1 1 1 1 0 0 1 0 1 1 1 1 1 0 0 ...
result:
wrong answer 1st words differ - expected: '1', found: '0'