Submission #667405

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
667405	2022-12-01 09:32:09	Mahdi	Boat (APIO16_boat)	C++17	9 / 100	307 ms	7384 KiB

boat

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#include<bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
#define F first
#define S second
typedef long long ll;
typedef pair<int, int> pii;
const int N=505, M=1e9+7;
int n, m, a[N], b[N], dp[N][2*N], c[2*N][N], en[N][N], h[2*N][N];
vector<int>v;
int tav(int x, int p){
    int res=1;
    while(p){
        if(p&1)
            res=1LL*res*x%M;
        x=1LL*x*x%M;
        p>>=1;
    }
    return res;
}
void pre(){
    en[0][0]=1;
    for(int i=1;i<=n;++i){
        en[i][0]=1;
        for(int j=1;j<=i;++j){
            en[i][j]=en[i-1][j]+en[i-1][j-1];
            if(en[i][j]>=M)
                en[i][j]-=M;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 27
• Subtask 4: 0 / 42