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답안 #956476

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
956476 2024-04-02T05:19:51 Z modwwe Magneti (COCI21_magneti) C++17
110 / 110
 132 ms 144796 KB 
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2")
#include<bits/stdc++.h>
#define int long long
#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int mod2=1e9+7;
const int  mod1=998244353;
struct ib
{
    int a;
    int b;
};
struct icd
{
    int a,b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
int n,m,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
//#ifndef ONLINE_JUDGE
    // fin(task),fou(task);
//#endif
    NHP
//modwwe
    //  cin>>res;
    phongbeo(),down
    checktime
}
int dp[51][51][10001], a[51],c[10055][55];
ll C(int n, int k){
    if(n == k || k == 0) return 1;
    if(k > n) return 0;
    if(c[n][k] != -1) return c[n][k];
    return c[n][k] = (C(n - 1, k) + C(n - 1, k - 1)) % mod2;
}
void phongbeo()
{
 cin>>n>>k;
 for(int i=1;i<=n;i++)
     cin>>a[i];
     sort(a+1,a+1+n);
     dp[1][1][1]=1;
         memset(c, -1, sizeof c);
for(int i=2;i<=n;i++)
    for(int j=1;j<=i;j++)
    for(int z=1;z<=k;z++)
        {
             dp[i][j][z]=(dp[i-1][j-1][z-1]*j)%mod2;
              if(z>=a[i]){
                 dp[i][j][z]+=dp[i-1][j][z-a[i]]*2*j%mod2,
                 dp[i][j][z]%=mod2;}
               if(z>=a[i]*2-1){
                    dp[i][j][z] += (dp[i - 1][j + 1][z- a[i] * 2 + 1] *  j % mod2)  % mod2,
                    dp[i][j][z]%=mod2;}

        }
s2=0;
    for(int i = 1; i <= k; ++i){
        s2 += dp[n][1][i] * C(k - i + n, n) % mod2;
        s2 %= mod2;
    }
    cout << s2;
}

Compilation message

Main.cpp:40:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   40 | main()
      | ^~~~
Main.cpp: In function 'void phongbeo()':
Main.cpp:61:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   61 |  for(int i=1;i<=n;i++)
      |  ^~~
Main.cpp:63:6: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   63 |      sort(a+1,a+1+n);
      |      ^~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 131 ms 142416 KB Output is correct
2 Correct 10 ms 64600 KB Output is correct
3 Correct 9 ms 33884 KB Output is correct
4 Correct 5 ms 19804 KB Output is correct
5 Correct 13 ms 56156 KB Output is correct
6 Correct 40 ms 73764 KB Output is correct
7 Correct 43 ms 103248 KB Output is correct
8 Correct 1 ms 8792 KB Output is correct
9 Correct 20 ms 78684 KB Output is correct
10 Correct 1 ms 9052 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 32092 KB Output is correct
2 Correct 4 ms 15196 KB Output is correct
3 Correct 9 ms 32092 KB Output is correct
4 Correct 4 ms 19600 KB Output is correct
5 Correct 8 ms 32092 KB Output is correct
6 Correct 4 ms 21340 KB Output is correct
7 Correct 8 ms 32348 KB Output is correct
8 Correct 4 ms 27228 KB Output is correct
9 Correct 3 ms 19380 KB Output is correct
10 Correct 2 ms 9052 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 61532 KB Output is correct
2 Correct 6 ms 49756 KB Output is correct
3 Correct 9 ms 63440 KB Output is correct
4 Correct 7 ms 53852 KB Output is correct
5 Correct 8 ms 63404 KB Output is correct
6 Correct 6 ms 45660 KB Output is correct
7 Correct 8 ms 61448 KB Output is correct
8 Correct 3 ms 27228 KB Output is correct
9 Correct 7 ms 53852 KB Output is correct
10 Correct 3 ms 27228 KB Output is correct

Subtask #4
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 131 ms 142416 KB Output is correct
2 Correct 10 ms 64600 KB Output is correct
3 Correct 9 ms 33884 KB Output is correct
4 Correct 5 ms 19804 KB Output is correct
5 Correct 13 ms 56156 KB Output is correct
6 Correct 40 ms 73764 KB Output is correct
7 Correct 43 ms 103248 KB Output is correct
8 Correct 1 ms 8792 KB Output is correct
9 Correct 20 ms 78684 KB Output is correct
10 Correct 1 ms 9052 KB Output is correct
11 Correct 8 ms 32092 KB Output is correct
12 Correct 4 ms 15196 KB Output is correct
13 Correct 9 ms 32092 KB Output is correct
14 Correct 4 ms 19600 KB Output is correct
15 Correct 8 ms 32092 KB Output is correct
16 Correct 4 ms 21340 KB Output is correct
17 Correct 8 ms 32348 KB Output is correct
18 Correct 4 ms 27228 KB Output is correct
19 Correct 3 ms 19380 KB Output is correct
20 Correct 2 ms 9052 KB Output is correct
21 Correct 9 ms 61532 KB Output is correct
22 Correct 6 ms 49756 KB Output is correct
23 Correct 9 ms 63440 KB Output is correct
24 Correct 7 ms 53852 KB Output is correct
25 Correct 8 ms 63404 KB Output is correct
26 Correct 6 ms 45660 KB Output is correct
27 Correct 8 ms 61448 KB Output is correct
28 Correct 3 ms 27228 KB Output is correct
29 Correct 7 ms 53852 KB Output is correct
30 Correct 3 ms 27228 KB Output is correct
31 Correct 132 ms 144636 KB Output is correct
32 Correct 79 ms 114256 KB Output is correct
33 Correct 125 ms 144592 KB Output is correct
34 Correct 32 ms 71508 KB Output is correct
35 Correct 129 ms 144796 KB Output is correct
36 Correct 10 ms 40024 KB Output is correct
37 Correct 125 ms 143128 KB Output is correct
38 Correct 27 ms 76368 KB Output is correct
39 Correct 124 ms 142928 KB Output is correct
40 Correct 44 ms 73908 KB Output is correct
41 Correct 127 ms 143124 KB Output is correct
42 Correct 4 ms 25432 KB Output is correct
43 Correct 126 ms 142364 KB Output is correct
44 Correct 15 ms 50396 KB Output is correct
45 Correct 130 ms 143096 KB Output is correct
46 Correct 3 ms 13660 KB Output is correct
47 Correct 23 ms 77144 KB Output is correct
48 Correct 15 ms 71004 KB Output is correct
49 Correct 4 ms 25688 KB Output is correct
50 Correct 4 ms 29276 KB Output is correct