提出 #76967541

---

ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;

// #define DEBUG

#define reps(i, a, n) for (ll i = (a); i < (ll)(n); ++i)
#define rep(i, n) reps(i, 0, n)
#define ALL(a)  (a).begin(),(a).end()
#define YesNo(cond) cout << ((cond) ? "Yes" : "No") << endl;
#ifdef DEBUG
#define debug(...) do { \
cerr << "\033[33m(line:" << __LINE__ << ") [" << #__VA_ARGS__ << "] = ["; \
auto _args = make_tuple(__VA_ARGS__); \
apply([](auto&&... v){ \
int _i = 0; \
((cerr << (_i++ ? ", " : "") << v), ...); \
}, _args); \
cerr << "]\033[m" << endl; \
} while(0)
#define debug_array(arr) \
cerr << "\033[33m(line:" << __LINE__ << ") " << #arr << ": "; \
for (const auto& elem : arr) { \
cerr << elem << " "; \
} \
cerr << "\033[m" << endl;
#define DEBUG_MATRIX_WIDTH 2
#define debug_matrix(mat) \
cerr << "\033[33m(line:" << __LINE__ << ") " << #mat << ":\n"; \
for (const auto& row : mat) { \
for (const auto& elem : row) { \
cerr << setw(DEBUG_MATRIX_WIDTH) << elem << " "; \
} \
cerr << endl; \
} \
cerr << "\033[m" << endl;
#else
#define debug(...) ;
#define debug_array(arr) ;
#define debug_matrix(mat) ;
#endif

using ll = long long;
ll infl = 1LL << 60;

ll max(ll a, ll b) {return a > b ? a : b;}
ll min(ll a, ll b) {return a < b ? a : b;}

int main() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    ll N, L, Q;
    cin >> N >> L >> Q;
    vector<vector<bool>> S(N, vector<bool>(L));

    rep(i, N) {
        rep(j, L) {
            char c;
            cin >> c;
            S[i][j] = (c == '1');
        }
    }

    while (Q--) {
        ll M;
        cin >> M;
        vector<bool> ans(L, false);
        while (M--) {
            ll c;
            cin >> c;
            c--;

            rep(j, L) {
                ans[j] = ans[j] || S[c][j];
            }

        }

        rep(j, L) {
            cout << (ans[j] ? '1' : '0');
        }
        cout << endl;
    }

    return 0;
}

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