結果
問題 | No.1439 Let's Compare!!!! |
ユーザー | tokusakurai |
提出日時 | 2021-03-26 21:34:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 61 ms / 2,000 ms |
コード長 | 3,699 bytes |
コンパイル時間 | 2,072 ms |
コンパイル使用メモリ | 206,892 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-05-06 22:15:06 |
合計ジャッジ時間 | 3,885 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,940 KB |
testcase_02 | AC | 1 ms
6,940 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 3 ms
6,940 KB |
testcase_08 | AC | 4 ms
6,940 KB |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | AC | 59 ms
6,940 KB |
testcase_11 | AC | 61 ms
6,944 KB |
testcase_12 | AC | 58 ms
6,940 KB |
testcase_13 | AC | 61 ms
6,944 KB |
testcase_14 | AC | 61 ms
6,944 KB |
testcase_15 | AC | 58 ms
6,944 KB |
testcase_16 | AC | 58 ms
6,940 KB |
testcase_17 | AC | 60 ms
6,940 KB |
testcase_18 | AC | 49 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for(int i = 0; i < n; i++) #define rep2(i, x, n) for(int i = x; i <= n; i++) #define rep3(i, x, n) for(int i = x; i >= n; i--) #define each(e, v) for(auto &e: v) #define pb push_back #define eb emplace_back #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define sz(x) (int)x.size() using ll = long long; using pii = pair<int, int>; using pil = pair<int, ll>; using pli = pair<ll, int>; using pll = pair<ll, ll>; const int MOD = 1000000007; //const int MOD = 998244353; const int inf = (1<<30)-1; const ll INF = (1LL<<60)-1; template<typename T> bool chmax(T &x, const T &y) {return (x < y)? (x = y, true) : false;}; template<typename T> bool chmin(T &x, const T &y) {return (x > y)? (x = y, true) : false;}; struct io_setup{ io_setup(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout << fixed << setprecision(15); } } io_setup; template<typename Monoid> struct Segment_Tree{ using F = function<Monoid(Monoid, Monoid)>; int n; vector<Monoid> seg; const F f; const Monoid e1; Segment_Tree(const vector<Monoid> &v, const F &f, const Monoid &e1) : f(f), e1(e1){ int m = v.size(); n = 1; while(n < m) n <<= 1; seg.assign(2*n, e1); copy(begin(v), end(v), begin(seg)+n); for(int i = n-1; i > 0; i--) seg[i] = f(seg[2*i], seg[2*i+1]); } void change(int i, const Monoid &x){ seg[i += n] = x; while(i >>= 1){ seg[i] = f(seg[2*i], seg[2*i+1]); } } Monoid query(int l, int r) const{ Monoid L = e1, R = e1; l += n, r += n; while(l < r){ if(l&1) L = f(L, seg[l++]); if(r&1) R = f(seg[--r], R); l >>= 1, r >>= 1; } return f(L, R); } Monoid operator [] (int i) const {return seg[n+i];} template<typename C> int find_subtree(int i, const C &check, const Monoid &x, Monoid &M, bool type) const{ while(i < n){ Monoid nxt = type? f(seg[2*i+type], M) : f(M, seg[2*i+type]); if(check(nxt, x)) i = 2*i+type; else M = nxt, i = 2*i+(type^1); } return i-n; } template<typename C> int find_first(int l, const C &check, const Monoid &x) const{ Monoid L = e1; int a = l+n, b = n+n; while(a < b){ if(a&1){ Monoid nxt = f(L, seg[a]); if(check(nxt, x)) return find_subtree(a, check, x, L, false); L = nxt, a++; } a >>= 1, b >>= 1; } return n; } template<typename C> int find_last(int r, const C &check, const Monoid &x) const{ Monoid R = e1; int a = n, b = r+n; while(a < b){ if(b&1 || a == 1){ Monoid nxt = f(seg[--b], R); if(check(nxt, x)) return find_subtree(b, check, x, R, true); R = nxt; } a >>= 1, b >>= 1; } return -1; } }; int main(){ int N; string S, T; cin >> N >> S >> T; vector<int> v(N); rep(i, N) v[i] = (S[i] == T[i]? 1 : 0); auto f = [](int a, int b) {return min(a, b);}; auto c = [](int a, int b) {return a <= b;}; Segment_Tree<int> seg(v, f, inf); int Q; cin >> Q; while(Q--){ char q; int x; char k; cin >> q >> x >> k; x--; if(q == 'S') S[x] = k; else T[x] = k; seg.change(x, S[x] == T[x]? 1 : 0); int p = seg.find_first(0, c, 0); if(p >= N) cout << "=\n"; else cout << (S[p] > T[p]? ">\n" : "<\n"); } }