oj.uz

답안 #55194

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
55194 2018-07-06T09:43:35 Z istlemin Calvinball championship (CEOI15_teams) C++14
70 / 100
 1000 ms 66560 KB 
#include<bits/stdc++.h>

using namespace std;

#define rep(i,a,b) for(int i = a; i<int(b);++i)
#define all(v) v.begin(),v.end()
#define sz(v) v.size()
#define trav(a,c) for(auto a: c)

typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> pii;

int main(){
	cin.sync_with_stdio(false);
    ll n;
    cin>>n;
    vi v(n);
    rep(i,0,n) cin>>v[i];

    vector<vi> dp(n+1,vi(n+1,1));

    ll mod = 1e6+7;

    rep(left,1,n+1)
		rep(numTeams,0,n)
			dp[left][numTeams] = (numTeams*dp[left-1][numTeams] + dp[left-1][numTeams+1])%mod;

    ll numTeams = 1;
    ll ans = 0;
    rep(i,0,n){
		ans = (ans + (v[i]-1)*dp[n-i-1][numTeams])%mod;
        numTeams = max(v[i],numTeams);
    }

    cout<<(ans+1)%mod<<endl;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 484 KB Output is correct
4 Correct 2 ms 484 KB Output is correct
5 Correct 2 ms 644 KB Output is correct
6 Correct 3 ms 660 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 660 KB Output is correct
2 Correct 2 ms 660 KB Output is correct
3 Correct 2 ms 660 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 660 KB Output is correct
2 Correct 3 ms 660 KB Output is correct
3 Correct 3 ms 660 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 660 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 660 KB Output is correct
2 Correct 2 ms 660 KB Output is correct
3 Correct 3 ms 660 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 2540 KB Output is correct
2 Correct 5 ms 2540 KB Output is correct
3 Correct 5 ms 2540 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 8432 KB Output is correct
2 Correct 14 ms 8432 KB Output is correct
3 Correct 14 ms 8432 KB Output is correct

Subtask #8
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 688 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 Execution timed out 1020 ms 66560 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 617 ms 66560 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -