結果

問題 No.1097 Remainder Operation
ユーザー hedwig100
提出日時 2020-06-26 22:29:58
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 225 ms / 2,000 ms
コード長 2,838 bytes
コンパイル時間 1,507 ms
コンパイル使用メモリ 174,348 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-07-04 22:14:29
合計ジャッジ時間 5,787 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 21
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function 'int main()':
main.cpp:75:20: warning: 'size_of_loop' may be used uninitialized [-Wmaybe-uninitialized]
   75 |     ll before_loop,size_of_loop;
      |                    ^~~~~~~~~~~~
main.cpp:101:59: warning: 'before_loop' may be used uninitialized [-Wmaybe-uninitialized]
  101 |             if (K%size_of_loop > 0) ans += Xs[before_loop + K%size_of_loop];
      |                                               ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
main.cpp:75:8: note: 'before_loop' was declared here
   75 |     ll before_loop,size_of_loop;
      |        ^~~~~~~~~~~

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i ++)
using namespace std;
using ll = long long;
using PL = pair<ll,ll>;
using P = pair<int,int>;
constexpr int INF = 1000000000;
constexpr long long HINF = 1000000000000000;
constexpr long long MOD = 1000000007;
constexpr double EPS = 1e-4;
constexpr double PI = 3.14159265358979;
struct Debug {
    template<class T> static void print_value(T value,const char* name) {
        cout << name << ": " << value << '\n';
    }
    template<class T> static void print_vector(vector<T> &vec,const char* name) {
        for (int i = 0;i < vec.size();++i) {
            cout << "  " << name;
            printf("[%d]: ",i);
            cout << vec[i];
        }
        cout << '\n';
    }
    template<class T> static void print_2dvector(vector<vector<T>> &vec,const char* name) {
        for (int i = 0;i < vec.size();++i) {
            for (int j = 0;j < vec[i].size();++j) {
                cout << "  " << name;
                printf("[%d][%d]: ",i,j);
                cout << vec[i][j];
            }
            cout << '\n';
        }
    }
    template<class T> static void print_set(set<T> &st,const char* name) {
        int i = 0;
        for (auto itr = st.begin();itr != st.end(); ++itr,++i) {
            cout << "  " << name;
            printf("[%d]: ",i);
            cout << *itr;
        }
        cout << '\n';
    }
    template<class T1,class T2>
    static void print_map(map<T1,T2> &mp,const char* name) {
        for (auto p: mp) {
            cout << "  " << name << '[' << p.first << ']' << ": " << p.second;
        }
        cout << '\n';
    }
};
int main() {
    int N; cin >> N;
    vector<ll> A(N);
    rep(i,N) cin >> A[i];
    
    ll X = 0;
    vector<ll> Xs;
    Xs.push_back(0);
    vector<bool> remainder(N + 1,false);
    remainder[0] = true;
    
    X = A[X];
    while (!remainder[X%N]) {
        Xs.push_back(X);
        remainder[X%N] = true;
        X += A[X%N];
    }
    Xs.push_back(X);
    
    //Debug::print_vector(Xs,"Xs");
    ll before_loop,size_of_loop;
    for (int i = 0;i < Xs.size();++i) {
        if (Xs[i]%N == X%N) {
            before_loop = i;
            size_of_loop = Xs.size() - i - 1;
            break;
        }
    }
    for (ll i = before_loop + 1;i < Xs.size();++i) {
        Xs[i] -= Xs[before_loop];
    }
    
    //Debug::print_vector(Xs,"Xs");
    
    int Q; cin >> Q;
    int Xsize = Xs.size() - 1;
    rep(i,Q) {
        ll K; cin >> K;
        ll ans;
        if (K < before_loop) {
            ans = Xs[K];
        }
        else {
            ans = Xs[before_loop];
            K -= before_loop;
            ans += (ll)(K/size_of_loop) * Xs[Xsize];
            if (K%size_of_loop > 0) ans += Xs[before_loop + K%size_of_loop];
        }
        cout << ans << endl;
    }
    return 0;
}
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