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답안 #62525

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
62525 2018-07-28T23:55:31 Z MatheusLealV Calvinball championship (CEOI15_teams) C++17
0 / 100
 722 ms 66560 KB 
#include <bits/stdc++.h>
#define N 10005
using namespace std;
typedef long long ll;

ll n, k, v[N], tot, used[N], mod = 1000007;

int dp[N][N];

ll solve(ll i, ll k)
{
	if(i > n) return 1;

	if(dp[i][k] != -1) return dp[i][k];

	ll A = ((solve(i + 1, k) * k) % mod + solve(i + 1, k + 1) % mod)%mod;

	return dp[i][k] = A;
}

inline ll pos()
{
	set<ll> add;

	ll q;

	memset(dp, -1, sizeof dp);

	for(ll i = 1; i <= n; i++)
	{
		tot = (tot + solve(i + 1, add.size())*(v[i] - 1) )%mod;

		add.insert(v[i]);
	}

	return (tot + 1)%mod;
}

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

	cin>>n;

	ll s = 0;

	for(ll i = 1; i <= n; i++)
	{
		cin>>v[i];

		if(!used[v[i]]) k++;

		used[v[i]] = 1;

		s = (s + solve(n, i))%mod;
	}

	cout<<pos()<<"\n";
}

Compilation message

teams.cpp: In function 'll pos()':
teams.cpp:25:5: warning: unused variable 'q' [-Wunused-variable]
  ll q;
     ^

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 541 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 603 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 624 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 650 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #5
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 672 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 644 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 653 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 722 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)

Subtask #9
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 628 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 678 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -