結果
問題 | No.875 Range Mindex Query |
ユーザー | BSer |
提出日時 | 2020-01-08 23:52:10 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 292 ms / 2,000 ms |
コード長 | 4,724 bytes |
コンパイル時間 | 2,299 ms |
コンパイル使用メモリ | 186,872 KB |
実行使用メモリ | 10,496 KB |
最終ジャッジ日時 | 2024-11-23 03:31:08 |
合計ジャッジ時間 | 5,685 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
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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
5,248 KB |
testcase_01 | AC | 3 ms
5,248 KB |
testcase_02 | AC | 4 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 3 ms
5,248 KB |
testcase_06 | AC | 3 ms
5,248 KB |
testcase_07 | AC | 3 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 3 ms
5,248 KB |
testcase_10 | AC | 3 ms
5,248 KB |
testcase_11 | AC | 211 ms
9,752 KB |
testcase_12 | AC | 168 ms
7,040 KB |
testcase_13 | AC | 148 ms
10,368 KB |
testcase_14 | AC | 147 ms
10,112 KB |
testcase_15 | AC | 198 ms
10,228 KB |
testcase_16 | AC | 266 ms
10,368 KB |
testcase_17 | AC | 292 ms
10,352 KB |
testcase_18 | AC | 283 ms
10,496 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using Edge = int; using Graph = vector<vector<Edge>>; #define REP(i, n) for (int i = 0; i < (n); ++i) #define SORT(v) sort((v).begin(), (v).end()) #define RSORT(v) sort((v).rbegin(), (v).rend()) const ll MOD = 1000000007; const ll nmax = 8; const ll INF = 1e9; bool graph[nmax][nmax]; vector<vector<ll>> dist = vector<vector<ll>>(nmax, vector<ll>(nmax, INF)); struct SegmentTree { private: ll n; vector<pair<ll, ll>> node; public: SegmentTree(vector<pair<ll, ll>> v) { ll sz = v.size(); n = 1; while (n < sz) { n *= 2; } node.resize(2 * n - 1, make_pair(INF, -1)); for (ll i = 0; i < sz; i++) { node[i + n - 1] = v[i]; } for (ll i = n - 2; i >= 0; i--) { if (node[2 * i + 1] < node[2 * i + 2]) { node[i] = node[2 * i + 1]; } else { node[i] = node[2 * i + 2]; } } } void update(ll x, ll val) { x += (n - 1); val += (n - 1); ll tmp = node[x].first; node[x].first = node[val].first; node[val].first = tmp; while (x > 0) { x = (x - 1) / 2; node[x] = min(node[2 * x + 1], node[2 * x + 2]); } while (val > 0) { val = (val - 1) / 2; node[val] = min(node[2 * val + 1], node[2 * val + 2]); } } // findは半開区間で考える pair<ll, ll> find(ll a, ll b, ll k = 0, ll l = 0, ll r = -1) { if (r < 0) r = n; if (r <= a || b <= l) return make_pair(INF, -1); if (a <= l && r <= b) return node[k]; pair<ll, ll> vl = find(a, b, 2 * k + 1, l, (l + r) / 2); pair<ll, ll> vr = find(a, b, 2 * k + 2, (l + r) / 2, r); if (vl.first < vr.first) { return vl; } else { return vr; } } }; void warshall_floyd(ll n) { for (size_t i = 0; i < n; i++) { for (size_t j = 0; j < n; j++) { for (size_t k = 0; k < n; k++) { dist[j][k] = min(dist[j][k], dist[j][i] + dist[i][k]); } } } } class UnionFind { public: vector<ll> Parent; UnionFind(ll N) { Parent = vector<ll>(N, -1); } ll find(ll A) { if (Parent[A] < 0) return A; return Parent[A] = find(Parent[A]); } ll size(ll A) { return -Parent[find(A)]; } bool Union(ll A, ll B) { A = find(A); B = find(B); if (A == B) { return false; } if (size(A) < size(B)) swap(A, B); Parent[A] += Parent[B]; Parent[B] = A; return true; } }; ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b); } ll lcm(ll a, ll b) { ll g = gcd(a, b); return a / g * b; } ll mulMod(ll a, ll b) { return (((a % MOD) * (b % MOD)) % MOD); } ll powMod(ll a, ll p) { if (p == 0) { return 1; } else if (p % 2 == 0) { ll half = powMod(a, p / 2); return mulMod(half, half); } else { return mulMod(powMod(a, p - 1), a); } } ll ceil(ll a, ll b) { return (a + b - 1) / b; } vector<ll> tsort(Graph G) { ll N = G.size(); vector<ll> in(N); for (auto &&edges : G) { for (auto &&edge : edges) { in[edge]++; } } queue<int> que; for (int i = 0; i < N; i++) { if (in[i] == 0) { que.push(i); } } int cnt = 0; vector<ll> ans; while (!que.empty()) { int v = que.front(); que.pop(); ans.push_back(v); for (auto &&next : G[v]) { in[next]--; if (in[next] == 0) { que.push(next); } } } return ans; } void solve(long long N, std::vector<long long> a) { } int main() { int n, q; cin >> n >> q; vector<pair<ll, ll>> a(n); for (int i = 0; i < n; i++) { ll tmp; cin >> tmp; a[i] = make_pair(tmp, i + 1); } SegmentTree Seg(a); for (int i = 0; i < q; i++) { int comb, a, b; cin >> comb >> a >> b; --a; --b; if (comb == 1) { Seg.update(a, b); } else { cout << Seg.find(a, b + 1).second << endl; } } return 0; }