結果
| 問題 | 
                            No.142 単なる配列の操作に関する実装問題
                             | 
                    
| コンテスト | |
| ユーザー | 
                             qwewe
                         | 
                    
| 提出日時 | 2025-05-14 13:20:22 | 
| 言語 | C++17  (gcc 13.3.0 + boost 1.87.0)  | 
                    
| 結果 | 
                             
                                TLE
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 2,081 bytes | 
| コンパイル時間 | 789 ms | 
| コンパイル使用メモリ | 72,548 KB | 
| 実行使用メモリ | 12,928 KB | 
| 最終ジャッジ日時 | 2025-05-14 13:21:16 | 
| 合計ジャッジ時間 | 11,214 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge1 / judge2 | 
(要ログイン)
| ファイルパターン | 結果 | 
|---|---|
| other | AC * 1 TLE * 1 -- * 3 | 
ソースコード
#include <iostream>
#include <vector>
#include <string>
// Fast I/O
void fast_io() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);
}
int main() {
    fast_io();
    int n;
    long long s_seed_ll, x_param_ll, y_param_ll, z_param_ll;
    std::cin >> n >> s_seed_ll >> x_param_ll >> y_param_ll >> z_param_ll;
    std::vector<char> parities(n); 
    long long current_a_val = s_seed_ll;
    // parities[i] stores parity of (i+1)-th element of A (A is 1-indexed)
    // current_a_val % 2 gives 0 for even, 1 for odd.
    // We store 1 if odd, 0 if even.
    parities[0] = (char)(current_a_val % 2 != 0); 
    for (int i = 1; i < n; ++i) {
        current_a_val = (x_param_ll * current_a_val + y_param_ll) % z_param_ll;
        parities[i] = (char)(current_a_val % 2 != 0);
    }
    int q_count;
    std::cin >> q_count;
    for (int k_query = 0; k_query < q_count; ++k_query) {
        int s_idx_1based, t_idx_1based, u_idx_1based, v_idx_1based;
        std::cin >> s_idx_1based >> t_idx_1based >> u_idx_1based >> v_idx_1based;
        // Adjust to 0-based indexing
        int s0 = s_idx_1based - 1;
        int u0 = u_idx_1based - 1;
        
        int len = t_idx_1based - s_idx_1based + 1;
        if (u0 > s0) { 
            // Destination start is to the right of source start.
            // Iterate backwards to use original source values if ranges overlap.
            for (int i = len - 1; i >= 0; --i) {
                parities[u0 + i] ^= parities[s0 + i];
            }
        } else { // u0 <= s0
            // Destination start is to the left of or same as source start.
            // Iterate forwards.
            for (int i = 0; i < len; ++i) {
                parities[u0 + i] ^= parities[s0 + i];
            }
        }
    }
    std::string result_str;
    result_str.reserve(n); 
    for (int i = 0; i < n; ++i) {
        if (parities[i] == 0) { // 0 means even
            result_str += 'E';
        } else { // 1 means odd
            result_str += 'O';
        }
    }
    std::cout << result_str << "\n";
    return 0;
}
            
            
            
        
            
qwewe