結果
問題 | No.875 Range Mindex Query |
ユーザー | naoya_t |
提出日時 | 2020-01-03 03:40:34 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 199 ms / 2,000 ms |
コード長 | 6,481 bytes |
コンパイル時間 | 2,237 ms |
コンパイル使用メモリ | 184,348 KB |
実行使用メモリ | 12,260 KB |
最終ジャッジ日時 | 2024-11-22 18:53:50 |
合計ジャッジ時間 | 6,011 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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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
6,820 KB |
testcase_01 | AC | 3 ms
6,816 KB |
testcase_02 | AC | 3 ms
6,820 KB |
testcase_03 | AC | 2 ms
6,816 KB |
testcase_04 | AC | 3 ms
6,816 KB |
testcase_05 | AC | 2 ms
6,820 KB |
testcase_06 | AC | 3 ms
6,820 KB |
testcase_07 | AC | 2 ms
6,816 KB |
testcase_08 | AC | 2 ms
6,816 KB |
testcase_09 | AC | 3 ms
6,820 KB |
testcase_10 | AC | 3 ms
6,816 KB |
testcase_11 | AC | 185 ms
9,344 KB |
testcase_12 | AC | 142 ms
7,552 KB |
testcase_13 | AC | 153 ms
10,240 KB |
testcase_14 | AC | 144 ms
9,984 KB |
testcase_15 | AC | 199 ms
10,496 KB |
testcase_16 | AC | 127 ms
10,496 KB |
testcase_17 | AC | 141 ms
10,496 KB |
testcase_18 | AC | 134 ms
12,260 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define NDEBUG #include <cassert> typedef long long ll; typedef long double Double; typedef unsigned long long ull; typedef pair<int,int> ii; typedef pair<ll,ll> llll; typedef pair<double,double> dd; typedef vector<int> vi; typedef vector<vector<int>> vvi; typedef vector<ii> vii; typedef vector<vector<ii>> vvii; typedef vector<ll> vll; typedef vector<vector<ll>> vvll; typedef vector<llll> vllll; typedef vector<bool> vb; typedef vector<string> vs; typedef vector<double> vd; typedef vector<long double> vD; #define sz(a) int((a).size()) #define pb push_back #define eb emplace_back #define FOR(var,from,to) for(int var=(from);var<=(to);++var) #define rep(var,n) for(int var=0;var<(n);++var) #define rep1(var,n) for(int var=1;var<=(n);++var) #define repC2(vari,varj,n) for(int vari=0;vari<(n)-1;++vari)for(int varj=vari+1;varj<(n);++varj) #define repC3(vari,varj,vark,n) for(int vari=0;vari<(n)-2;++vari)for(int varj=vari+1;varj<(n)-1;++varj)for(int vark=varj+1;vark<(n);++vark) #define ALL(c) (c).begin(),(c).end() #define RALL(c) (c).rbegin(),(c).rend() #define tr(i,c) for(auto i=(c).begin(); i!=(c).end(); ++i) #define found(s,e) ((s).find(e)!=(s).end()) #define mset(arr,val) memset(arr,val,sizeof(arr)) #define mid(x,y) ((x)+((y)-(x))/2) #define IN(x,a,b) ((a)<=(x)&&(x)<=(b)) #define cons make_pair #define clamp(v,lo,hi) min(max(v,lo),hi) template<typename T1, typename T2> inline void amin(T1 & a, T2 const & b) { if (a>b) a=b; } template<typename T1, typename T2> inline void amax(T1 & a, T2 const & b) { if (a<b) a=b; } template<typename X, typename T> auto vectors(X x, T a) { return vector<T>(x, a); } template<typename X, typename Y, typename Z, typename... Zs> auto vectors(X x, Y y, Z z, Zs... zs) { auto cont = vectors(y, z, zs...); return vector<decltype(cont)>(x, cont); } inline ll square(ll x) { return x * x; } inline ll gcd(ll a, ll b) { while(a) swap(a, b%=a); return b; } template <typename T> inline T mod(T a, T b) { return ((a % b) + b) % b; } template <typename T> int find_left(vector<T>& v, T elem) { return (int)(upper_bound(v.begin(), v.end(), elem) - v.begin()) - 1; } template <typename T> int find_right(vector<T>& v, T elem) { return (int)(lower_bound(v.begin(), v.end(), elem) - v.begin()); } const ll MOD=1000000007LL; inline ll ADD(ll x, ll y) { return (x+y) % MOD; } inline ll SUB(ll x, ll y) { return (x-y+MOD) % MOD; } inline ll MUL(ll x, ll y) { return x*y % MOD; } inline ll POW(ll x, ll e) { ll v=1; for(; e; x=MUL(x,x), e>>=1) if (e&1) v = MUL(v,x); return v; } inline ll INV(ll y) { /*assert(y%MOD!=0);*/ return POW(y, MOD-2); } inline ll DIV(ll x, ll y) { return MUL(x, INV(y)); } #define INTSPACE 12 char _buf[INTSPACE*1000000 + 3]; int loadint() { if (fgets(_buf, INTSPACE+3, stdin)==NULL) return 0; return atoi(_buf); } int loadvec(vector<int>& v, int N=-1) { if (N == 0) { v.clear(); return 0; } if (N == -1) { N = loadint(); if (N==0) return 0; } int bufsize = INTSPACE*N + 3; if (fgets(_buf, bufsize, stdin)==NULL) return 0; v.resize(N); int i=0; bool last = false; for (char *p=&_buf[0]; ;) { char *q = p; while (*q > ' ') ++q; if (*q == 0x0D || *q == 0x0A) last = true; *q = 0; v[i++] = atoi(p); if (last || i == N) break; p = q+1; } return i; } void read_cr() { fgets(_buf, 256, stdin); } void horizontal(vector<int>& v) { int L = v.size(); for (int i=0; i<L; ++i) { printf("%d%c", v[i], (i==L-1)?'\n':' '); } } void horizontall(vector<long long>& v) { int L = v.size(); for (int i=0; i<L; ++i) { printf("%lld%c", v[i], (i==L-1)?'\n':' '); } } template <typename T> class SegmentTree { public: int N; vector<T> buf_; using MERGER = function<T(T,T)>; MERGER merge; T ident; int ceil2(int size) { int n = 1; while (n < size) n *= 2; return n; } SegmentTree(int size, MERGER merge, T ident) : merge(merge), ident(ident) { N = ceil2(size); buf_.assign(N*2, ident); } SegmentTree(vector<T> ar, MERGER merge, T ident) : merge(merge), ident(ident) { int size = ar.size(); N = ceil2(size); buf_.assign(N*2, ident); for (int i=0; i<size; ++i) update(i, ar[i]); } void reset(int i, T x) { i = N + i - 1; buf_[i] = x; while (i > 0) { i = (i - 1) / 2; buf_[i] = x; } } void update(int i, T x) { i = N + i - 1; if (merge(buf_[i], x) != x) return; buf_[i] = x; while (i > 0) { i = (i - 1) / 2; buf_[i] = merge(buf_[i*2+1], buf_[i*2+2]); } } T query(int lo, int hi) { return query(lo, hi, 0, 0, N); } T query(int a, int b, int k, int l, int r) { if (r <= a || b <= l) return ident; if (a <= l && r <= b) { return buf_[k]; } else { T lv = query(a, b, 2*k+1, l, (l+r)/2); T rb = query(a, b, 2*k+2, (l+r)/2, r); return merge(lv, rb); } } void dump() { } }; template <typename T> class MinSegmentTree : public SegmentTree<T> { public: MinSegmentTree(int size) : SegmentTree<T>(size, [](T a,T b){return min(a,b);}, numeric_limits<T>::max()) {} MinSegmentTree(vector<T> ar) : SegmentTree<T>(ar, [](T a,T b){return min(a,b);}, numeric_limits<T>::max()) {} }; int main() { int N, Q; scanf("%d %d%*c", &N, &Q); vi a(N); loadvec(a, N); map<int,int> where; rep(i,N) where[a[i]] = i; MinSegmentTree<int> st(a); auto q_swap = [&](int l, int r) { int lval = st.query(l, l+1); int rval = st.query(r, r+1); st.reset(l, INT_MAX); st.reset(r, INT_MAX); st.update(l, rval); st.update(r, lval); where[rval] = l; where[lval] = r; }; auto q_argmin = [&](int l, int r) -> int { int minval = st.query(l, r+1); return where[minval]; }; rep(i,Q){ vi b(3); loadvec(b, 3); int op = b[0], l = b[1]-1, r = b[2]-1; switch (b[0]) { case 1: q_swap(l, r); break; case 2: { int v = q_argmin(l, r); printf("%d\n", 1+v); } break; } } return 0; }