Submission #254344

#TimeUsernameProblemLanguageResultExecution timeMemory
254344amiratouTenis (COI19_tenis)C++14
100 / 100
300 ms32672 KiB
#pragma GCC optimize("O3") #include <bits/stdc++.h> using namespace std; #define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define rando mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()) #define fi first #define se second #define debug(x) cerr << " - " << #x << ": " << x << endl; #define debugs(x, y) cerr << " - " << #x << ": " << x << " " << #y << ": " << y << endl; #define debugii(x) cerr << " - " << #x << ": " << x.fi<<","<<x.se << endl; #define sep() cerr << "--------------------" << endl; #define all(x) (x).begin(),(x).end() #define sz(x) (ll)x.size() #define ld long double #define ll long long #define int ll #define ii pair<int,int> #define v vector<int> #define vii vector<ii> #define vv vector<vector<int> > #define mp make_pair #define INF 1000000000 #define pb push_back #define EPS 1e-9 const int MOD = 1000000007; // 998244353 int tab[3][100005],A[100005],st[400005],lazy[400005],pos[100005][3],arr[100005],n; multiset<int,greater<int> > lst[100005]; void build(int node,int l,int r){ if(l==r){ st[node]=A[l]; return; } int med=(l+r)>>1; build(node*2,l,med),build(node*2+1,med+1,r); st[node]=min(st[node*2],st[node*2+1]); } void prop(int node,int l,int r){ if(lazy[node]){ st[node]+=lazy[node]; if(l!=r){ lazy[node*2]+=lazy[node]; lazy[node*2+1]+=lazy[node]; } lazy[node]=0; } } void update(int node,int l,int r,int i,int j,int val){ prop(node,l,r); if(l>j||r<i) return; if(l>=i && r<=j){ st[node]+=val; if(l!=r){ lazy[node*2]+=val; lazy[node*2+1]+=val; } return ; } int med=(l+r)>>1; update(node*2,l,med,i,j,val),update(node*2+1,med+1,r,i,j,val); st[node]=min(st[node*2],st[node*2+1]); } int query(int node,int l,int r,int i){ prop(node,l,r); if(l>i ||r<i) return INF; if(l==r) return st[node]; int med=(l+r)>>1; return min(query(node*2,l,med,i),query(node*2+1,med+1,r,i)); } void update(int t,int a,int b){ update(1,0,n-1,*lst[b].begin(),n-1,1); update(1,0,n-1,*lst[a].begin(),n-1,1); lst[a].erase(lst[a].find(pos[a][t])); lst[b].erase(lst[b].find(pos[b][t])); swap(pos[a][t],pos[b][t]); lst[a].insert(pos[a][t]); lst[b].insert(pos[b][t]); update(1,0,n-1,*lst[b].begin(),n-1,-1); update(1,0,n-1,*lst[a].begin(),n-1,-1); } bool query(int x){ int l=0,r=n-1,node=1; prop(node,l,r); while(l!=r){ int med=(l+r)>>1; prop(node*2,l,med),prop(node*2+1,med+1,r); if(!st[node*2])r=med,node*=2; else l=med+1,node=node*2+1; } return (l>=(*lst[x].begin())); } int32_t main(){ boost; //freopen(".in","r",stdin); int q,cnt=1,t,x,a,b; cin>>n>>q; for (int i = 0; i < 3; ++i) for (int j = 0; j < n; ++j) cin>>tab[i][j],lst[tab[i][j]].insert(j),pos[tab[i][j]][i]=j; for (int i = 1; i <= n; ++i) arr[*lst[i].begin()]--; for (int i = 0; i < n; ++i) { if(i)arr[i]+=arr[i-1]; A[i]=cnt+arr[i]; cnt++; } build(1,0,n-1); while(q--){ cin>>t; if(t==1){ cin>>x; if(query(x))cout<<"DA\n"; else cout<<"NE\n"; } else{ cin>>x>>a>>b; x--; update(x,a,b); } } return 0; } //do smth instead of nothing and stay organized //long long //array bounds //special cases //binary search
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