Submission #363878

#	Time	Username	Problem	Language	Result	Execution time	Memory
363878		Fysty	Mechanical Doll (IOI18_doll)	C++17	Compilation error	0 ms	0 KiB

doll

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
#define MottoHayaku ios::sync_with_stdio(0);cin.tie(0);
#define rep1(i,n) for(int i=1;i<=n;i++)
#define rep(i,n) for(int i=0;i<n;i++)
#define F first
#define S second
#define pb push_back
//#define int ll
const int MOD=1e9+7;
const ll INF=1e16;
const int N=100005;
vector<int> ed[N];
ll t=-1,x[N<<1],y[N<<1];
void get_switch(vector<int> v,int par,bool side,vector<int> &c)
{
    if(v.size()==0) return;
    if(v.size()==1)
    {
        if(par>=0) c[par]=v[0];
        else
        {
            if(!side) x[-par]=v[0];
            else y[-par]=v[0];
        }
        return;
    }
    vector<int> l,r;
    rep(i,v.size())
    {
        if(i&1) r.pb(v[i]);
        else l.pb(v[i]);
    }
    if(par>=0)
    {
        c[par]=t;
    }
    else
    {
        t--;
    }
    int cur=t;
    get_switch(l,cur,0,c);
    get_switch(r,cur,1,c);
}
void create_circuit(int M,vector<int> A)
{
    vector<int> c(M+1);
    ll cur=0;
    A.pb(0);
    rep(i,A.size())
    {
        ed[cur].pb(A[i]);
        cur=A[i];
    }
    rep(i,M+1) get_switch(ed[i],i,0,c);
    vector<ll> X,Y;
    t=-t-1;
    rep1(i,t)
    {
        X.pb(x[i]);
        Y.pb(y[i]);
    }
    answer(c,X,Y);
}
/*int main()
{

}
*/

Compilation message (stderr)

doll.cpp: In function 'void get_switch(std::vector<int>, int, bool, std::vector<int>&)':
doll.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 | #define rep(i,n) for(int i=0;i<n;i++)
......
   31 |     rep(i,v.size())
      |         ~~~~~~~~~~             
doll.cpp:31:5: note: in expansion of macro 'rep'
   31 |     rep(i,v.size())
      |     ^~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:7:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 | #define rep(i,n) for(int i=0;i<n;i++)
......
   53 |     rep(i,A.size())
      |         ~~~~~~~~~~             
doll.cpp:53:5: note: in expansion of macro 'rep'
   53 |     rep(i,A.size())
      |     ^~~
doll.cpp:66:5: error: 'answer' was not declared in this scope
   66 |     answer(c,X,Y);
      |     ^~~~~~