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Submission #284801

# Submission time Handle Problem Language Result Execution time Memory
284801 2020-08-28T03:57:24 Z limabeans Skyscraper (JOI16_skyscraper) C++17
5 / 100
 2000 ms 384 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl





using ll = long long;

const ll mod = 1e9+7;
const int maxn = 1e6 + 5;



int n, L;
vector<int> a;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>L;
    a.resize(n);
    for (int i=0; i<n; i++) {
	cin>>a[i];
    }

    sort(a.begin(), a.end());

    ll res = 0;

    do {
	ll cur = 0;
	for (int i=0; i+1<n; i++) {
	    cur += abs(a[i]-a[i+1]);
	}
	//watch(cur);
	if (cur <= L) res++;
    } while (next_permutation(a.begin(), a.end()));

    cout<<res<<endl;
    
    
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2099 ms 384 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 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Execution timed out 2099 ms 384 KB Time limit exceeded
12 Halted 0 ms 0 KB -