結果
| 問題 |
No.1439 Let's Compare!!!!
|
| コンテスト | |
| ユーザー |
stoq
|
| 提出日時 | 2021-03-31 10:03:18 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 4,548 bytes |
| コンパイル時間 | 2,089 ms |
| コンパイル使用メモリ | 205,032 KB |
| 最終ジャッジ日時 | 2025-01-20 01:07:26 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 2 |
| other | AC * 15 WA * 2 |
ソースコード
#define MOD_TYPE 1
#pragma region Macros
#include <bits/stdc++.h>
using namespace std;
#if 0
#include <boost/multiprecision/cpp_int.hpp>
#include <boost/multiprecision/cpp_dec_float.hpp>
using Int = boost::multiprecision::cpp_int;
using lld = boost::multiprecision::cpp_dec_float_100;
#endif
#if 1
#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#endif
using ll = long long int;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using pld = pair<ld, ld>;
template <typename Q_type>
using smaller_queue = priority_queue<Q_type, vector<Q_type>, greater<Q_type>>;
constexpr ll MOD = (MOD_TYPE == 1 ? (ll)(1e9 + 7) : 998244353);
constexpr int INF = (int)1e9 + 10;
constexpr ll LINF = (ll)4e18;
constexpr ld PI = acos(-1.0);
constexpr ld EPS = 1e-9;
constexpr int Dx[] = {0, 0, -1, 1, -1, 1, -1, 1, 0};
constexpr int Dy[] = {1, -1, 0, 0, -1, -1, 1, 1, 0};
#define REP(i, m, n) for (ll i = m; i < (ll)(n); ++i)
#define rep(i, n) REP(i, 0, n)
#define REPI(i, m, n) for (int i = m; i < (int)(n); ++i)
#define repi(i, n) REPI(i, 0, n)
#define MP make_pair
#define MT make_tuple
#define YES(n) cout << ((n) ? "YES" : "NO") << "\n"
#define Yes(n) cout << ((n) ? "Yes" : "No") << "\n"
#define possible(n) cout << ((n) ? "possible" : "impossible") << "\n"
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << "\n"
#define all(v) v.begin(), v.end()
#define NP(v) next_permutation(all(v))
#define dbg(x) cerr << #x << ":" << x << "\n";
struct io_init
{
io_init()
{
cin.tie(0);
ios::sync_with_stdio(false);
cout << setprecision(30) << setiosflags(ios::fixed);
};
} io_init;
template <typename T>
inline bool chmin(T &a, T b)
{
if (a > b)
{
a = b;
return true;
}
return false;
}
template <typename T>
inline bool chmax(T &a, T b)
{
if (a < b)
{
a = b;
return true;
}
return false;
}
inline ll CEIL(ll a, ll b)
{
return (a + b - 1) / b;
}
template <typename A, size_t N, typename T>
inline void Fill(A (&array)[N], const T &val)
{
fill((T *)array, (T *)(array + N), val);
}
template <typename T, typename U>
constexpr istream &operator>>(istream &is, pair<T, U> &p) noexcept
{
is >> p.first >> p.second;
return is;
}
template <typename T, typename U>
constexpr ostream &operator<<(ostream &os, pair<T, U> &p) noexcept
{
os << p.first << " " << p.second;
return os;
}
#pragma endregion
// --------------------------------------
#define REP2(i, m, n) REP(i, m, n + 1)
#define rep2(i, n) REP(i, 1, n + 1)
template <typename T>
struct SegmentTree
{
using F = function<T(T, T)>;
int N;
vector<T> dat;
T ti;
F f;
SegmentTree() {}
SegmentTree(int n, F f, T ti) : f(f), ti(ti)
{
N = 1;
while (N < n)
N *= 2;
dat.assign(2 * N - 1, ti);
}
SegmentTree(const vector<T> &v, F f, T ti) : f(f), ti(ti)
{
N = 1;
int sz = v.size();
while (N < sz)
N *= 2;
dat.resize(2 * N - 1);
for (int i = 0; i < N; ++i)
dat[i + N - 1] = (i < sz ? v[i] : ti);
for (int i = N - 2; i >= 0; --i)
dat[i] = f(dat[i * 2 + 1], dat[i * 2 + 2]);
}
void update(int k, T a)
{
k += N - 1;
dat[k] = a;
while (k > 0)
{
k = (k - 1) / 2;
dat[k] = f(dat[k * 2 + 1], dat[k * 2 + 2]);
}
}
T get(int k) { return dat[k + N - 1]; }
T query(int a, int b, int k, int l, int r)
{
if (r <= a or b <= l)
return ti;
if (a <= l and r <= b)
return dat[k];
T vl = query(a, b, k * 2 + 1, l, (l + r) / 2);
T vr = query(a, b, k * 2 + 2, (l + r) / 2, r);
return f(vl, vr);
}
T query(int a, int b) { return query(a, b, 0, 0, N); }
T query_all() { return dat[0]; }
void display()
{
for (int i = 0; i < N; i++)
cerr << get(i) << " ";
cerr << "\n";
}
};
void solve()
{
int n, q;
string s, t;
cin >> n >> s >> t >> q;
auto f = [](int a, int b) {
if (a == 0)
return b;
else
return a;
};
vector<int> v(n);
rep(i, n)
{
if (s[i] < t[i])
v[i] = -1;
else if (s[i] > t[i])
v[i] = 1;
else
v[i] = 0;
}
SegmentTree<int> sg(v, f, -1);
rep(qi, q)
{
char c, y;
int x;
cin >> c >> x >> y;
x--;
if (c == 'S')
{
s[x] = y;
}
else
{
t[x] = y;
}
if (s[x] < t[x])
sg.update(x, -1);
else if (s[x] > t[x])
sg.update(x, 1);
else
sg.update(x, 0);
if (sg.query_all() == -1)
cout << "<\n";
else
cout << ">\n";
}
}
int main()
{
solve();
}
stoq