oj.uz

Submission #883314

# Submission time Handle Problem Language Result Execution time Memory
883314 2023-12-05T06:52:00 Z phoenix0423 Skyscraper (JOI16_skyscraper) C++17
5 / 100
 2000 ms 464 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
// #pragma GCC optimize("Ofast")
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 0, n + 1)
#define SZ(x) (int)(x).size()
#define pb push_back
#define pf push_front
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
#define ckmin(a, b) a = min(a, b)
#define ckmax(a, b) a = max(a, b)
#define int long long
const int INF = 1e18;
const int maxn = 1000 + 5;
const int N = 1e9 + 7;
ll dp[105][105][2005][3];

signed main(void){
    fastio;
    int n, l;
    cin>>n>>l;
    vector<int> a(n);
    for(int i = 0; i < n; i++) cin>>a[i];
    sort(a.begin(), a.end());
    vector<int> p(n);
    for(int i = 0; i < n; i++) p[i] = i;
    int cnt = 0;
    int ttl = 0;
    do{
        ttl++;
        int dif = 0;
        for(int i = 0; i < n - 1; i++) dif += abs(a[p[i + 1]] - a[p[i]]);
        if(dif <= l) cnt++;
    }while(next_permutation(p.begin(), p.end()));
    cout<<cnt<<"\n";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 464 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2047 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 464 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Execution timed out 2047 ms 348 KB Time limit exceeded
12 Halted 0 ms 0 KB -