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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#278261#6506. Chase Game 3ucup-team1321#WA 11ms3856kbC++231.5kb2023-12-07 14:23:542023-12-07 14:23:55

Judging History

你现在查看的是最新测评结果

  • [2023-12-07 14:23:55]
  • 评测
  • 测评结果:WA
  • 用时:11ms
  • 内存:3856kb
  • [2023-12-07 14:23:54]
  • 提交

answer

#include <bits/stdc++.h>
#ifndef LOCAL
#define debug(...) 42
#else
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#endif
#define rep1(a) for (auto i = 0; i < a; i++)
#define rep2(i, a) for (auto i = 0; i < a; i++)
#define rep3(i, a, b) for (auto i = a; i < b; i++)
#define rep4(i, a, b, c) for (auto i = a; i < b; i += c)
#define overload4(a, b, c, d, e, ...) e
#define rep(...) overload4(__VA_ARGS__, rep4, rep3, rep2, rep1)(__VA_ARGS__)

#define pb emplace_back
using namespace std;
template <typename T, typename T2> void cmin(T &x, const T2 &y) {
  x = x < y ? x : y;
}
template <typename T, typename T2> void cmax(T &x, const T2 &y) {
  x = x > y ? x : y;
}
using ll = long long;
using vi = vector<int>;
using pii = pair<int, int>;
template <class T> using vc = vector<T>;
template <class T> using pq = priority_queue<T>;
template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>;
mt19937 rng(time(NULL));
const int inf = 1000000000;
const ll lnf = 1000000000000000000;
#define sz(x) int((x).size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

void solve() {

  int n;
  cin >> n;
  vi a(n);

  rep(i, n) {
    cin >> a[i];
  }

  int bad = 0;
  rep(i, 1, n) {
    bad |= (abs(a[i] - a[i - 1]) > 2);
  }

  if (bad) {
    cout << "No\n";
  } else {
    cout << "Yes\n";
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int t = 1;
  cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3688kb

input:

5
2
1 2
3
2 3 1
4
1 4 3 2
5
1 5 2 3 4
6
1 2 3 4 5 6

output:

Yes
Yes
No
No
Yes

result:

ok 5 token(s): yes count is 3, no count is 2

Test #2:

score: 0
Accepted
time: 0ms
memory: 3856kb

input:

8
2
1 2
2
2 1
3
1 2 3
3
3 1 2
3
2 1 3
3
2 3 1
3
3 2 1
3
1 3 2

output:

Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes

result:

ok 8 token(s): yes count is 8, no count is 0

Test #3:

score: -100
Wrong Answer
time: 11ms
memory: 3764kb

input:

100000
4
4 1 3 2
4
3 2 4 1
4
3 2 1 4
4
2 4 3 1
4
1 2 3 4
4
2 3 1 4
4
1 3 4 2
4
3 4 1 2
4
1 3 2 4
4
1 4 3 2
4
3 4 2 1
4
3 2 4 1
4
4 2 3 1
4
3 2 4 1
4
4 1 2 3
4
3 2 1 4
4
4 1 3 2
4
1 3 4 2
4
1 4 2 3
4
2 4 3 1
4
2 3 1 4
4
4 2 3 1
4
2 1 3 4
4
3 1 2 4
4
1 2 3 4
4
4 3 2 1
4
3 4 1 2
4
1 3 2 4
4
4 2 1 3
4
3...

output:

No
No
No
Yes
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
No
No
Yes
No
Yes
No
Yes
Yes
Yes
Yes
Yes
No
Yes
Yes
No
Yes
Yes
Yes
No
Yes
No
No
Yes
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Yes
Yes
Yes
No
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
No
Yes
No
Yes
No
Yes
Yes
No
...

result:

wrong answer expected YES, found NO [1st token]