Submission #757713

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
757713	2023-06-13 15:35:48	ttamx	Two Currencies (JOI23_currencies)	C++14	100 / 100	1038 ms	130536 KiB

currencies

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const bool dbg=false;
const int N=1e5+5;
struct node{
    ll val;
    int freq;
    node *l,*r;
    node():val(0),freq(0),l(nullptr),r(nullptr){}
    node(int val,int freq):val(val),freq(freq),l(nullptr),r(nullptr){}
    node(int val,int freq,node *l,node *r):val(val),freq(freq),l(l),r(r){}
};
typedef node* nodeptr;
void build(int l,int r,nodeptr &t){
    t=new node();
    if(l==r)return;
    int m=(l+r)/2;
    build(l,m,t->l);
    build(m+1,r,t->r);
}
void update(int l,int r,nodeptr &t,nodeptr k,int x,ll val){
    t=new node(*k);
 
 
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Compilation message (stderr)

currencies.cpp: In function 'int query(int, int, std::vector<std::pair<node*, node*> >, ll)':
currencies.cpp:42:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   42 |         for(auto [tl,tr]:t)if(tr->val-tl->val<=val)res+=tr->freq-tl->freq;
      |                  ^
currencies.cpp:47:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   47 |     for(auto [tl,tr]:t)sum+=tr->l->val-tl->l->val;
      |              ^
currencies.cpp:49:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   49 |     for(auto [tl,tr]:t)freq+=tr->l->freq-tl->l->freq;
      |              ^
currencies.cpp:51:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   51 |         for(auto &[tl,tr]:t)tl=tl->r,tr=tr->r;
      |                   ^
currencies.cpp:54:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   54 |     for(auto &[tl,tr]:t)tl=tl->l,tr=tr->l;
      |               ^
currencies.cpp: In function 'int main()':
currencies.cpp:119:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  119 |         auto &[u,v]=edge[i];
      |               ^
currencies.cpp:128:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  128 |         auto [u,v]=edge[i];
      |              ^
currencies.cpp:133:15: warning: unused variable 'y' [-Wunused-variable]
  133 |         int x,y;
      |               ^
currencies.cpp:158:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  158 |         for(auto [l,r]:q1)res.emplace_back(rt[l-1],rt[r]);
      |                  ^
currencies.cpp:159:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  159 |         for(auto [l,r]:q2)res.emplace_back(rt[l-1],rt[r]);
      |                  ^
currencies.cpp:161:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
  161 |         for(auto [tl,tr]:res)all+=tr->freq-tl->freq;
      |                  ^

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32