Submission #311588

#	Time	Username	Problem	Language	Result	Execution time	Memory
311588		amunduzbaev	Mechanical Doll (IOI18_doll)	C++14	Compilation error	0 ms	0 KiB

doll

//#include "grader.cpp"
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
const int N=1e5+5;
vector<int> ans, way[N], x, y, c(m+1,0);
int ind=1,in;
void solve(int l,int r,vector<int>v,char o){
    if(o=='l'){
        if(l!=r) x.push_back(-(ind+in));
        else {x.push_back(v[l]);
        return;}
    }else{
        if(l!=r) y.push_back(-(ind+in));
        else {y.push_back(v[l]);
        return;}
    }
    int m=(l+r)/2;
    o='l';
    in++;
    solve(l,m,v,o);
    o='r';
    in++;
    solve(m+1,r,v,o);
}
void fun(vector<int>v){
    in=1;
    int m=(v.size()-1)/2;
    solve(0,m,v,'l');
    in++;
    solve(m+1,v.size()-1,v,'r');
    ind=ind+in;
}
bool fnd(int i,int a){
    for(int j=0;j<way[i].size();j++)
        if(way[i][j]==a)
            return false;
    return true;
}
void create_circuit(int m, vector<int> a) {
    int n=a.size();

    way[0].push_back(a[0]);
    c[0]=a[0];
    for(int i=0;i<n-1;i++){
        if(way[a[i]].size()&&fnd(a[i],a[i+1]))
            ans.push_back(a[i]);
        way[a[i]].push_back(a[i+1]);
        c[a[i]]=a[i+1];
    }

    for(int i=0;i<ans.size();i++){
        c[ans[i]]=-ind;
        fun(way[ans[i]]);
    }
    answer(c,x,y);

}
/*

9 9
2 9 8 1 3 7 6 4 5

*/

Compilation message (stderr)

doll.cpp:6:34: error: 'm' was not declared in this scope
    6 | vector<int> ans, way[N], x, y, c(m+1,0);
      |                                  ^
doll.cpp: In function 'bool fnd(int, int)':
doll.cpp:35:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for(int j=0;j<way[i].size();j++)
      |                 ~^~~~~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:52:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for(int i=0;i<ans.size();i++){
      |                 ~^~~~~~~~~~~