제출 #1038117

#제출 시각아이디문제언어결과실행 시간메모리
1038117pan서열 (APIO23_sequence)C++17
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> //#include "bits_stdc++.h" //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define endl '\n' #define f first #define s second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define input(x) scanf("%lld", &x); #define input2(x, y) scanf("%lld%lld", &x, &y); #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z); #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a); #define print(x, y) printf("%lld%c", x, y); #define show(x) cerr << #x << " is " << x << endl; #define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl; #define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl; #define all(x) x.begin(), x.end() #define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define FOR(i, x, n) for (ll i =x; i<=n; ++i) #define RFOR(i, x, n) for (ll i =x; i>=n; --i) using namespace std; mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count()); //using namespace __gnu_pbds; //#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> //#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef long long ll; typedef long double ld; typedef pair<ld, ll> pd; typedef pair<string, ll> psl; typedef pair<ll, ll> pi; typedef pair<ll, pi> pii; typedef pair<pi, pi> piii; // Condition for median: -c <= h - l <= c struct node { int s, e, m; ll minn, maxx; ll lazy; node *l, *r; node (int S, int E) { s = S, e = E, m = (s+e)/2; minn = s, maxx = e; lazy = 0; l=r=nullptr; } void create() { if(s != e && l==nullptr) { l = new node(s, m); r = new node(m+1, e); } } void propogate() { if (lazy==0) return; create(); minn+=lazy; maxx += lazy; if (s != e){ l->lazy+=lazy; r->lazy+=lazy; } lazy=0; } void update(int S, int E, ll V) { propogate(); if(s==S && e==E) lazy += V; else{ create(); if(E <= m) l->update(S, E, V); else if (m < S) r->update(S, E, V); else l->update(S, m, V),r->update(m+1, E, V); l->propogate(),r->propogate(); maxx = max(l->maxx, r->maxx); minn = min(l->minn, r->minn); } } pi query(int S, int E) { if (S> E) return mp(0LL, 0LL); propogate(); if(s == S && e == E) return mp(minn, maxx); create(); if(E <= m) return l->query(S, E); else if(S >= m+1) return r->query(S, E); else { pi a = l->query(S, m), b = r->query(m+1, E); return mp(min(a.f, b.f), max(a.s, b.s)); } } } *root; vector<ll> dis[500005]; int sequence(int N, std::vector<int> A) { ll n = N; ll ans = 0; for (ll i=0; i<n; ++i) dis[A[i]].pb(i+1); root = new node(0, n); for (ll i=1; i<=n; ++i) { for (ll u: dis[i]) root->update(u, n, -1); ll N = dis[i].size(); ll r = 0; for (ll l=0; l<N; ++l) { ll st = ((l==0)?0:dis[i][l-1]); while (r < N) { ll ee = ((r==N-1)?n:dis[i][r+1]-1); ll len = r-l+1; pi l1 = root->query(0, dis[i][l]-1), r1 = root->query(dis[i][r], n); ll maxx = r1.f - l1.s; ll minn = r1.s - l1.f; if #include <bits/stdc++.h> //#include "bits_stdc++.h" //#include <ext/pb_ds/assoc_container.hpp> //#include <ext/pb_ds/tree_policy.hpp> #define endl '\n' #define f first #define s second #define pb push_back #define mp make_pair #define lb lower_bound #define ub upper_bound #define input(x) scanf("%lld", &x); #define input2(x, y) scanf("%lld%lld", &x, &y); #define input3(x, y, z) scanf("%lld%lld%lld", &x, &y, &z); #define input4(x, y, z, a) scanf("%lld%lld%lld%lld", &x, &y, &z, &a); #define print(x, y) printf("%lld%c", x, y); #define show(x) cerr << #x << " is " << x << endl; #define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl; #define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl; #define all(x) x.begin(), x.end() #define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end()); #define FOR(i, x, n) for (ll i =x; i<=n; ++i) #define RFOR(i, x, n) for (ll i =x; i>=n; --i) using namespace std; mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count()); //using namespace __gnu_pbds; //#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> //#define ordered_multiset tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef long long ll; typedef long double ld; typedef pair<ld, ll> pd; typedef pair<string, ll> psl; typedef pair<ll, ll> pi; typedef pair<ll, pi> pii; typedef pair<pi, pi> piii; // Condition for median: -c <= h - l <= c struct node { int s, e, m; ll minn, maxx; ll lazy; node *l, *r; node (int S, int E) { s = S, e = E, m = (s+e)/2; minn = s, maxx = e; lazy = 0; l=r=nullptr; } void create() { if(s != e && l==nullptr) { l = new node(s, m); r = new node(m+1, e); } } void propogate() { if (lazy==0) return; create(); minn+=lazy; maxx += lazy; if (s != e){ l->lazy+=lazy; r->lazy+=lazy; } lazy=0; } void update(int S, int E, ll V) { propogate(); if(s==S && e==E) lazy += V; else{ create(); if(E <= m) l->update(S, E, V); else if (m < S) r->update(S, E, V); else l->update(S, m, V),r->update(m+1, E, V); l->propogate(),r->propogate(); maxx = max(l->maxx, r->maxx); minn = min(l->minn, r->minn); } } pi query(int S, int E) { if (S> E) return mp(0LL, 0LL); propogate(); if(s == S && e == E) return mp(minn, maxx); create(); if(E <= m) return l->query(S, E); else if(S >= m+1) return r->query(S, E); else { pi a = l->query(S, m), b = r->query(m+1, E); return mp(min(a.f, b.f), max(a.s, b.s)); } } } *root; vector<ll> dis[500005]; int sequence(int N, std::vector<int> A) { ll n = N; ll ans = 0; for (ll i=0; i<n; ++i) dis[A[i]].pb(i+1); root = new node(0, n); for (ll i=1; i<=n; ++i) { for (ll u: dis[i]) root->update(u, n, -1); ll N = dis[i].size(); ll r = 0; for (ll l=0; l<N; ++l) { ll st = ((l==0)?0:dis[i][l-1]); while (r < N) { ll ee = ((r==N-1)?n:dis[i][r+1]-1); ll len = r-l+1; pi l1 = root->query(st, dis[i][l]-1), r1 = root->query(dis[i][r], ee); ll maxx = r1.s - l1.f; ll minn = r1.f - l1.s; if (maxx <= len && minn >= -len) {ans = max(ans, len); r++;} else break; } } for (ll u: dis[i]) root->update(u, n, -1); } return ans; } {ans = max(ans, len); r++;} else break; } } for (ll u: dis[i]) root->update(u, n, -1); } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp:131:8: error: stray '#' in program
  131 |     if #include <bits/stdc++.h>
      |        ^
sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:131:9: error: expected '(' before 'include'
  131 |     if #include <bits/stdc++.h>
      |         ^~~~~~~
      |         (
sequence.cpp:241:1: error: a function-definition is not allowed here before '{' token
  241 | {
      | ^
sequence.cpp:270:5: error: 'else' without a previous 'if'
  270 |     else break;
      |     ^~~~
sequence.cpp:126:8: warning: unused variable 'ee' [-Wunused-variable]
  126 |     ll ee = ((r==N-1)?n:dis[i][r+1]-1);
      |        ^~
sequence.cpp:129:8: warning: unused variable 'maxx' [-Wunused-variable]
  129 |     ll maxx = r1.f - l1.s;
      |        ^~~~
sequence.cpp:130:8: warning: unused variable 'minn' [-Wunused-variable]
  130 |     ll minn = r1.s - l1.f;
      |        ^~~~
sequence.cpp:234:4: warning: unused variable 'root' [-Wunused-variable]
  234 | } *root;
      |    ^~~~
sequence.cpp:123:7: warning: unused variable 'st' [-Wunused-variable]
  123 |    ll st = ((l==0)?0:dis[i][l-1]);
      |       ^~