結果
問題 | No.1079 まお |
ユーザー | snuke |
提出日時 | 2020-06-12 22:22:35 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 1,537 ms / 2,000 ms |
コード長 | 4,452 bytes |
コンパイル時間 | 2,967 ms |
コンパイル使用メモリ | 225,896 KB |
実行使用メモリ | 38,248 KB |
最終ジャッジ日時 | 2024-06-24 05:15:25 |
合計ジャッジ時間 | 32,180 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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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 | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 5 ms
5,376 KB |
testcase_05 | AC | 14 ms
5,376 KB |
testcase_06 | AC | 14 ms
5,376 KB |
testcase_07 | AC | 42 ms
5,376 KB |
testcase_08 | AC | 41 ms
5,376 KB |
testcase_09 | AC | 43 ms
5,376 KB |
testcase_10 | AC | 43 ms
5,376 KB |
testcase_11 | AC | 41 ms
5,376 KB |
testcase_12 | AC | 723 ms
14,928 KB |
testcase_13 | AC | 843 ms
17,272 KB |
testcase_14 | AC | 1,024 ms
19,684 KB |
testcase_15 | AC | 1,164 ms
22,068 KB |
testcase_16 | AC | 1,302 ms
24,388 KB |
testcase_17 | AC | 1,466 ms
24,296 KB |
testcase_18 | AC | 1,411 ms
24,424 KB |
testcase_19 | AC | 1,503 ms
24,420 KB |
testcase_20 | AC | 1,484 ms
24,420 KB |
testcase_21 | AC | 1,440 ms
24,424 KB |
testcase_22 | AC | 1,486 ms
27,492 KB |
testcase_23 | AC | 1,481 ms
27,496 KB |
testcase_24 | AC | 1,491 ms
27,496 KB |
testcase_25 | AC | 1,523 ms
27,496 KB |
testcase_26 | AC | 1,537 ms
27,236 KB |
testcase_27 | AC | 1,347 ms
17,768 KB |
testcase_28 | AC | 1,370 ms
25,572 KB |
testcase_29 | AC | 1,366 ms
38,248 KB |
testcase_30 | AC | 1,360 ms
27,368 KB |
testcase_31 | AC | 1,340 ms
18,276 KB |
ソースコード
#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define maxs(x,y) (x = max(x,y)) #define mins(x,y) (x = min(x,y)) #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cout<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; inline int getInt() { int x; scanf("%d",&x); return x;} template<typename T>inline istream& operator>>(istream&i,v(T)&v) {rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const v(T)&v) {stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);} template<typename T>inline ostream& operator<<(ostream&o,const v(T)&v) {if(sz(v))o<<join(v);return o;} template<typename T1,typename T2>inline istream& operator>>(istream&i,pair<T1,T2>&v) {return i>>v.fi>>v.se;} template<typename T1,typename T2>inline ostream& operator<<(ostream&o,const pair<T1,T2>&v) {return o<<v.fi<<","<<v.se;} template<typename T>inline ll suma(const v(T)& a) { ll res(0); for (auto&& x : a) res += x; return res;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("Yes");}else{puts("No");} const int MX = 200005; typedef v(vl) vvl; // coordinate compression struct X { typedef int T; vector<T> d; X() {} X(vector<T>& a): d(a) { init(); for (T& na : a) na = (*this)(na); } void add(const T& x) { d.pb(x);} void init() { sort(rng(d)); d.erase(unique(rng(d)), d.end()); } int size() const { return sz(d);} T operator[](int i) const { return d[i];} int operator()(const T& x) const { return upper_bound(rng(d),x)-d.begin()-1;} int get(int x) { int i = upper_bound(rng(d),x)-d.begin()-1; if (i == sz(d)) return -1; if (d[i] != x) return -1; return i; } } xs; // // sparse table int bsr(uint x) { return 31^__builtin_clz(x);} struct Sparse { typedef P Int; int n; vv(Int) x; Sparse(int n=0):n(n),x(1,v(Int)(n)) {} Sparse(v(Int)& a):n(sz(a)),x(1,a) { init();} void init() { int i = 0; for (int w = 2; w <= n; w <<= 1) { x.pb(v(Int)(n-w+1)); rep(j,sz(x.back())) { x.back()[j] = min(x[i][j], x[i][j+(w>>1)]); } ++i; } } Int get(int l, int r) { if (l >= r) return P(INF,l); // INF!! int i = bsr(r-l); return min(x[i][l], x[i][r-(1<<i)]); } } s; vvi is; vvl iss; typedef pair<int,ll> LP; LP get(int x, int r) { int i = lower_bound(rng(is[x]), r) - is[x].begin(); return LP(i,iss[x][i]); } LP get(int x, int l, int r) { LP a = get(x,l); LP b = get(x,r); return LP(b.fi-a.fi, b.se-a.se); } int n; int k; vi a; ll ans; void dfs(int l, int r) { if (l == r) return; int c = s.get(l,r).se; int rc = s.get(c+1,r).se; if (c+1 == r || rc == r || a[c] != a[rc]) rc = r; if (c-l < rc-c) { srep(i,l,c+1) { int ni = xs.get(k-xs[a[i]]); if (ni == -1) continue; LP p = get(ni,c,rc); ans += p.se; ans -= ll(i-1)*p.fi; } } else { srep(i,c,rc) { int ni = xs.get(k-xs[a[i]]); if (ni == -1) continue; LP p = get(ni,l,c+1); ans += ll(i+1)*p.fi; ans -= p.se; } } cerr<<l<<" "<<r<<" "<<c<<" "<<rc<<" "<<ans<<endl; dfs(l,c); dfs(c+1,r); } int main() { scanf("%d%d",&n,&k); a = vi(n); cin>>a; xs = X(a); s = Sparse(n); rep(i,n) s.x[0][i] = P(a[i],i); is = vvi(sz(xs)); iss = vvl(sz(xs),vl(1)); rep(i,n) is[a[i]].pb(i); rep(i,n) iss[a[i]].pb(i); rep(i,sz(xs)) { rep(j,sz(iss[i])-1) iss[i][j+1] += iss[i][j]; } s.init(); dfs(0,n); cout<<ans<<endl; return 0; }