Submission #1081617

#TimeUsernameProblemLanguageResultExecution timeMemory
1081617modwweHoliday (IOI14_holiday)C++17
Compilation error
0 ms0 KiB
#pragma GCC optimize("Ofast,unroll-loops") #include<bits/stdc++.h> //#define int long long #define ll long long #define down cout<<'\n'; #define debug cout<<" cucuucucuuu",down #define NHP ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0); #define modwwe int t;cin>>t; while(t--) #define bit(i,j) (i>>j&1) #define sobit(a) __builtin_popcountll(a) #define task "test" #define fin(x) freopen(x".inp","r",stdin) #define fou(x) freopen(x".ans","w",stdout) #define pb push_back #define checktime cerr << (double)clock() / CLOCKS_PER_SEC * 1000 << " ms"; using namespace std; #define getchar_unlocked getchar inline int scan() { char c = getchar_unlocked(); int x = 0; while(c<'0'||c>'9') { c=getchar_unlocked(); } while(c>='0'&&c<='9') { x=(x<<1)+(x<<3)+c-'0'; c=getchar_unlocked(); } return x; } void phongbeo(); const int inf=1e9; const int mod2=1e9+9; const int mod1=998244353; struct icd { long double a; int b; }; struct ib { ll a; ll b; }; struct ic { int a,b,c; }; struct id { int a,b,c,d; }; struct ie { int a,b,c,d,e; }; ll n,m,s1,s2,s4,s3,sf,k,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,s33,dem3,dem4,l,r,mid,l2,r2; ll i,s10,s12; ll kk; ll el=29; ll a[100001]; vector<ll> v; struct IT { ib t[400001]; ib mer(ib a,ib b) { return{a.a+b.a,a.b+b.b}; } void upd(int node,int l,int r,int l1,ll x) { if(l==r) { t[node].b+=x; t[node].a=v[l-1]*t[node].b; return; } int mid=l+r>>1; if(l1<=mid) upd(node<<1,l,mid,l1,x); else upd(node<<1|1,mid+1,r,l1,x); t[node]=mer(t[node<<1],t[node<<1|1]); } ll walk(int node,int l,int r,ll x) { if(l==r) return l; int mid=l+r>>1; if(t[node<<1|1].b>=x) return walk(node<<1|1,mid+1,r,x); x-=t[node<<1|1].b; return walk(node<<1,l,mid,x); } ib get(int node,int l,int r,int l1,int r1) { if(l>r1||r<l1) return {0,0}; if(l>=l1&&r<=r1) return t[node]; int mid=l+r>>1; return mer(get(node<<1,l,mid,l1,r1),get(node<<1|1,mid+1,r,l1,r1)); } } st; void go(int x,int y) { while(l2<x) { st.upd(1,1,n,a[l2],-1); l2++; } while(l2>x) { l2--; st.upd(1,1,n,a[l2],1); } while(r2<y) { r2++; st.upd(1,1,n,a[r2],1); } while(r2>y) { st.upd(1,1,n,a[r2],-1); r2--; } } void solve_left(ll l,ll r,ll x,ll y) { if(l>r) return; ll mid=l+r>>1; ll mx_z=-1; ll pos=-1; for(int i=x; i<=y; i++) { go(mid,i); if(i!=k) s4=m-(i-mid+k-mid); else s4=m-(k-mid); s5=st.walk(1,1,n,s4); ib xx=st.get(1,1,n,s5+1,n); ib xx2=st.get(1,1,n,s5,s5); s3=xx.a+min(xx2.a,(s4-xx.b)*v[s5-1]); if(s3>mx_z) mx_z=s3,pos=i; } s9=max(s9,mx_z); solve_left(l,mid-1,x,pos); solve_left(mid+1,r,pos,y); } void solve_right(ll l,ll r,ll x,ll y) { if(l>r) return; ll mid=l+r>>1; ll mx_z=-1; ll pos=-1; for(int i=x; i<=y; i++) { go(i,mid); if(i!=k) s4=m-(mid-i+mid-k); else s4=m-(mid-k); s5=st.walk(1,1,n,s4); ib xx=st.get(1,1,n,s5+1,n); ib xx2=st.get(1,1,n,s5,s5); s3=xx.a+min(xx2.a,(s4-xx.b)*v[s5-1]); if(s3>mx_z) mx_z=s3,pos=i; } s9=max(s9,mx_z); solve_right(l,mid-1,x,pos); solve_right(mid+1,r,pos,y); } long long findMaxAttraction(int n, int g2, int g, vector<int> attraction) { for(int i=1; i<=n; i++) a[i]=attraction[i-1],v.pb(a[i]); sort(v.begin(),v.end()); v.erase(unique(v.begin(), v.end()), v.end()); for(int i=1; i<=n; i++) a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin()+1; l2=0; r2=0; m=g; k=g2; s7=n; n=v.size(); l2=1; k++; solve_right(k,s7,1,k); //assert(0); solve_left(1,k,k,s7); return s9; } /* main() { freopen("test.inp","r",stdin); freopen("test.ans","w",stdout); cin>>n>>k>>m; vector<int> b(n); for(int i=1;i<=n;i++) cin>>b[i-1]; cout<<findMaxAttraction(n,k,m,b); }*/

Compilation message (stderr)

holiday.cpp: In member function 'void IT::upd(int, int, int, int, long long int)':
holiday.cpp:84:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   84 |         int mid=l+r>>1;
      |                 ~^~
holiday.cpp: In member function 'long long int IT::walk(int, int, int, long long int)':
holiday.cpp:92:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   92 |         int mid=l+r>>1;
      |                 ~^~
holiday.cpp: In member function 'ib IT::get(int, int, int, int, int)':
holiday.cpp:101:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  101 |         int mid=l+r>>1;
      |                 ~^~
holiday.cpp: In function 'void solve_left(long long int, long long int, long long int, long long int)':
holiday.cpp:131:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  131 |     ll mid=l+r>>1;
      |            ~^~
holiday.cpp: In function 'void solve_right(long long int, long long int, long long int, long long int)':
holiday.cpp:153:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  153 |     ll mid=l+r>>1;
      |            ~^~
/usr/bin/ld: /tmp/ccUmatZX.o: in function `main':
grader.cpp:(.text.startup+0xaf): undefined reference to `findMaxAttraction(int, int, int, int*)'
collect2: error: ld returned 1 exit status