結果
問題 | No.1675 Strange Minimum Query |
ユーザー | srjywrdnprkt |
提出日時 | 2023-01-16 19:10:09 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,638 bytes |
コンパイル時間 | 1,279 ms |
コンパイル使用メモリ | 126,468 KB |
実行使用メモリ | 16,340 KB |
最終ジャッジ日時 | 2024-06-10 01:19:34 |
合計ジャッジ時間 | 13,049 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | WA | - |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | WA | - |
testcase_03 | AC | 235 ms
8,104 KB |
testcase_04 | AC | 216 ms
10,588 KB |
testcase_05 | AC | 20 ms
8,192 KB |
testcase_06 | AC | 278 ms
8,864 KB |
testcase_07 | AC | 305 ms
12,096 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
ソースコード
#include <iostream> #include <vector> #include <cmath> #include <map> #include <set> #include <iomanip> #include <queue> #include <algorithm> #include <numeric> #include <deque> #include <complex> //https://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=DSL_2_H using namespace std; template<class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F), F (*id)()>struct LazySegTree { vector<S> seg; vector<F> lazy; long long N = 1; LazySegTree (long long n) : LazySegTree(vector<S>(n, e())) {} LazySegTree (const vector<S> &v){ long long n = v.size(); while (N < n) N *= 2; seg.resize(N*2-1, e()); lazy.resize(N*2-1, id()); for (long long i=0; i<n; i++) seg[i+N-1] = v[i]; for (long long i=N-2; i>=0; i--){ seg[i] = op(seg[i*2+1], seg[i*2+2]); } } void eval (long long idx, long long bitl, long long bitr){ if (lazy[idx] != id()){ seg[idx] = mapping(lazy[idx], seg[idx]); if (bitl != bitr){ lazy[2*idx+1] = composition(lazy[idx], lazy[2*idx+1]); lazy[2*idx+2] = composition(lazy[idx], lazy[2*idx+2]); } lazy[idx] = id(); } } //a[i] -> f(a[i]) for l<=i<=r void set (long long l, long long r, F val){ _set(l, r, val, 0, 0, N-1); } void _set (long long l, long long r, F val, long long idx, long long bitl, long long bitr){ eval(idx, bitl, bitr); if (r < bitl || l > bitr) return; if (l <= bitl && bitr <= r){ lazy[idx] = composition(lazy[idx], val); eval(idx, bitl, bitr); } else{ long long bitm = (bitl+bitr)/2; _set(l, r, val, idx*2+1, bitl, bitm); _set(l, r, val, idx*2+2, bitm+1, bitr); seg[idx] = op(seg[idx*2+1], seg[idx*2+2]); } } //op(a[l], ..., a[r]) S prod (long long l, long long r) { return _prod(l, r, 0, 0, N-1); } S all_prod() const{ return seg[0]; } S _prod (long long l, long long r, long long idx, long long bitl, long long bitr) { if (r < bitl || l > bitr) return e(); eval(idx, bitl, bitr); if (l <= bitl && bitr <= r) return seg[idx]; long long bitm = (bitl+bitr)/2; return op(_prod(l, r, idx*2+1, bitl, bitm), _prod(l, r, idx*2+2, bitm+1, bitr)); } S get (long long i) const{ return seg[i+N-1]; } void show() const{ for (int i=0; i<N*2-1; i++) cout << seg[i] << " "; for (int i=0; i<N*2-1; i++) cout << lazy[i] << " "; } }; using S = long long; using F = long long; F ID = -1; S INF = (1LL<<31)-1; S op(S a, S b){return min(a, b);} S e() {return INF;} S mapping(F f, S x){ if (f == ID) return x; else return f; } F composition(F f, F g){ if (f == ID) return g; else return f; } F id() {return ID;} int main(){ long long N, Q, b, l, r; cin >> N >> Q; LazySegTree<S, op, e, F, mapping, composition, id> tree(N); vector<tuple<long long, long long, long long>> BLR(Q); for (int i=0; i<Q; i++){ cin >> l >> r >> b; l--; r--; BLR[i] = {b, l, r}; } sort(BLR.begin(), BLR.end()); for (int i=0; i<Q; i++){ tie(b, l, r) = BLR[i]; tree.set(l, r, b); } for (int i=0; i<Q; i++){ tie(b, l, r) = BLR[i]; if (tree.prod(l, r) != b){ cout << -1 << endl; return 0; } } for (int i=0; i<N; i++) cout << tree.prod(i, i) << " "; cout << endl; return 0; }