QOJ.ac
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 |
|---|---|---|---|---|---|---|---|---|---|
| #574394 | #9310. Permutation Counting 4 | tolerate | TL | 5ms | 11556kb | C++20 | 630b | 2024-09-18 21:56:26 | 2024-09-18 21:56:26 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N = 1e6 + 10;
void solve()
{
vector <int> f (N, 0);
int n;
cin >> n;
for (int i = 1; i <= n + 1; ++ i) {
f[i] = i;
}
auto find = [&] (auto find, int x) -> int {
return f[x] == x ? x : f[x] = find(find, f[x]);
};
bool flag = 1;
while (n --) {
int l, r;
cin >> l >> r;
if (find(find, l) == find(find, r + 1)) {
flag = 0;
}
f[find(find, l)] = find(find, r + 1);
}
cout << flag << endl;
}
signed main()
{
int T;
cin >> T;
while (T --) {
solve();
}
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 5ms
memory: 11556kb
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
Time Limit Exceeded
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:
1 1 0 0 1 0 1 1 0 1 1 0 0 0 0 0 1 0 1 0 0 1 0 0 0 1 0 1 0 0 0 0 1 0 1 1 1 1 1 0 1 0 1 1 1 1 1 1 1 1 0 1 1 0 0 0 0 0 0 1 0 1 1 0 1 1 1 0 1 0 1 0 0 0 1 1 1 0 0 1 1 1 1 0 1 1 1 1 1 1 1 0 1 0 0 1 1 0 0 1 1 0 0 1 1 1 1 1 1 0 0 1 1 1 0 0 1 1 0 0 1 0 1 0 1 0 1 0 0 0 0 0 0 0 0 1 1 1 1 1 0 0 0 1 0 0 1 0 1 1 ...