#768010 (C++14) No.1964 sum = length

• 問題: No.1964 sum = length
• ユーザー: 👑 AngrySadEight
• 提出日時: 2022-06-03 22:12:27
• 言語: C++14 (gcc 13.3.0 + boost 1.87.0)
• 結果: WA
• 実行時間: -
• コード長: 3,556 bytes
• コンパイル時間: 1,805 ms
• コンパイル使用メモリ: 176,428 KB
• 実行使用メモリ: 263,936 KB
• 最終ジャッジ日時: 2024-09-21 02:47:47
• 合計ジャッジ時間: 13,560 ms
• ジャッジサーバーID （参考情報）: judge2 / judge4

ファイルパターン	結果
sample	AC * 3
other	AC * 38 WA * 2

ソースコード

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#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repr(i, n) for (int i = (int)(n); i >= 0; i--)
#define all(v) v.begin(), v.end()
#define mod1 1000000007
#define mod2 998244353
typedef long long ll;
ll my_pow(ll x, ll n, ll mod){
    //　繰り返し二乗法．x^nをmodで割った余り．
    ll ret;
    if (n == 0){
        ret = 1;
    }
    else if (n % 2 == 1){
        ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod;
    }
    else{
        ret = my_pow((x * x) % mod, n / 2, mod);
    }
    return ret;
}
int main(){
    ll n;
    cin >> n;
    vector<vector<vector<ll>>> dp(n + 1, vector<vector<ll>>(404, vector<ll>(404)));
    for (ll k = 0; k < 404; k++){
        dp[0][0][k] = 1;
    }
    for (ll i = 0; i < n; i++){
        for (ll j = 0; j < 404; j++){
            for (ll k = 1; k < 404; k++){
                if (i == n - 1){
                    if (j >= 1){
                        if (k <= 9){
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 1][k - 1]) % mod2;
                        }
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 1][k - 1] + mod2 - dp[i][j - 1][k - 10]) % mod2;
                        }
                    }
                    //長さ3
                    if (j >= 2){
                        if (k <= 9) continue;
                        else if (k <= 99){
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 2][k - 10]) % mod2;
                        }
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 2][k - 10] + mod2 - dp[i][j - 2][k - 100]) % mod2;
                        }
                    }
                    if (j >= 3){
                        if (k <= 99) continue;
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 3][k - 100]) % mod2;
                        }
                    }
                }
                else{
                    //長さ2
                    if (j >= 2){
                        if (k <= 9){
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 2][k - 1]) % mod2;
                        }
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 2][k - 1] + mod2 - dp[i][j - 2][k - 10]) % mod2;
                        }
                    }
                    //長さ3
                    if (j >= 3){
                        if (k <= 9) continue;
                        else if (k <= 99){
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 3][k - 10]) % mod2;
                        }
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 3][k - 10] + mod2 - dp[i][j - 3][k - 100]) % mod2;
                        }
                    }
                    if (j >= 4){
                        if (k <= 99) continue;
                        else{
                            dp[i + 1][j][k] = (dp[i + 1][j][k] + dp[i][j - 4][k - 100]) % mod2;
                        }
                    }
                }
            }
            for (ll k = 0; k < 403; k++){
                dp[i][j][k + 1] = (dp[i][j][k + 1] + dp[i][j][k]) % mod2;
            }
        }
    }
    ll ans = 0;
    for (ll j = 1; j <= 403; j++){
        ans = (ans + dp[n][j][j] + mod2 - dp[n][j][j - 1]) % mod2;
    }
    cout << ans << endl;
}
 
 
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