Submission #829893

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
829893	2023-08-18 15:38:18	Pajaraja	Two Currencies (JOI23_currencies)	C++17	100 / 100	2624 ms	66428 KiB

currencies

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#include <bits/stdc++.h>
#define MAXN 100007
#define MAXL 22
using namespace std;
long long bit[2][4*MAXN],y[MAXN],c[MAXN];
int in[2*MAXN],out[2*MAXN],vreme=1,u[MAXN],v[MAXN],p[MAXL][2*MAXN],f[MAXN],t[MAXN],x[MAXN],ans[MAXN],w,z[MAXN],n,m,q;
vector<int> g[2*MAXN],h[MAXN];
pair<int,int> pi[MAXN];
void upd(int k,int ind,long long s)
{
    while(ind<4*MAXN)
    {
        bit[k][ind]+=s;
        ind+=(ind&-ind);
    }
}
long long parc(int k,int ind)
{
    long long sum=0;
    while(ind)
    {
        sum+=bit[k][ind];
        ind-=(ind&-ind);
    }
    return sum;
}
long long range(int k, int l,int r) {return parc(k,r)-parc(k,l-1);}
void dfs(int s,int f)
{
    p[0][s]=f;
 
 
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Compilation message (stderr)

currencies.cpp: In function 'void dfs(int, int)':
currencies.cpp:32:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for(int i=0;i<g[s].size();i++) if(g[s][i]!=f) dfs(g[s][i],s);
      |                 ~^~~~~~~~~~~~
currencies.cpp: In function 'void answerqueries(int, int, std::vector<int>)':
currencies.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i=0;i<queries.size();i++)
      |                 ~^~~~~~~~~~~~~~~
currencies.cpp: In function 'int main()':
currencies.cpp:93:41: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |     for(int i=1;i<n;i++) for(int j=0;j+1<h[i].size();j++)
      |                                      ~~~^~~~~~~~~~~~

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