/ SeriousOJ /

Record Detail

Wrong Answer


  
# Status Time Cost Memory Cost
#1 Accepted 2ms 540.0 KiB
#2 Accepted 2ms 492.0 KiB
#3 Accepted 2ms 332.0 KiB
#4 Wrong Answer 2ms 588.0 KiB
#5 Accepted 2ms 328.0 KiB
#6 Wrong Answer 2ms 736.0 KiB

Code

// #pragma GCC optimize("O3,unroll-loops,Ofast")
// #pragma GCC target("avx2")
#include<bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
#define int long long
#define endl '\n'

using namespace std;
using pii = pair<int, int>;
using tup = tuple<int, int, int>;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// template <class T> using ordered_set = tree<T, null_type,
//                          less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

const int inf = 1e18;
const int mod = 1000000007;
const double eps = 1e-9;
const int N = 500005;

void preprocess() {}

int pre[N], suf[N], a[N];

void solve(int tc) {
    int n, k;
    cin >> n >> k;

    for(int i=1; i<=n; i++) cin >> a[i];

    int i = 1, j = n;
    while(i < j and a[i] == i) i++;
    while(j > i and a[j] == j) j--;

    if(j-i+1 <= k) {
        cout << "YES" << endl;
        cout << i << ' ' << j << endl;
        return;
    }

    cout << "NO" << endl;
}   

int32_t main() {
    cin.tie(NULL)->sync_with_stdio(false);
    cout.precision(10);

    preprocess();

    int T = 1;
    // cin >> T;

    for (int i = 1; i <= T; i++) {  
        solve(i);
    }

    return 0;
}

Information

Submit By
Type
Submission
Problem
P1120 Stairway to the Skyline
Contest
Brain Booster #7
Language
C++17 (G++ 13.2.0)
Submit At
2024-11-05 14:53:19
Judged At
2024-11-05 14:53:19
Judged By
Score
9
Total Time
2ms
Peak Memory
736.0 KiB