Submission #406020

#	Time	Username	Problem	Language	Result	Execution time	Memory
406020		urd05	Mechanical Doll (IOI18_doll)	C++14	Compilation error	0 ms	0 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> v;

void create_circuit(int m,vector<int> a) {
    n=a.size();
    vector<int> emp;
    v.resize(m+1);
    v[0]=a[0];
    for(int i=0;i+1<a.size();i++) {
        v[a[i]]=v[a[i+1]];
    }
    answer(v,emp,emp);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:8:5: error: 'n' was not declared in this scope
    8 |     n=a.size();
      |     ^
doll.cpp:12:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i=0;i+1<a.size();i++) {
      |                 ~~~^~~~~~~~~