Submission #1055267

#	Time	Username	Problem	Language	Result	Execution time	Memory
1055267		Ahmed57	Mechanical Doll (IOI18_doll)	C++17	0 / 100	17 ms	7480 KiB

doll

#include "bits/stdc++.h"
#include "doll.h"

using namespace std;
int S = -1;
vector<int> X,Y,C;
vector<int> dc(vector<int> lol){
    if(lol.size()==1)return lol;
    int sz = lol.size();
    int add = (sz+1)/2;
    vector<int> ret;
    for(int j = 0;j+add<sz;j++){
        ret.push_back(S--);
        X.push_back(lol[j]);
        Y.push_back(lol[j+add]);
    }
    if(sz%2){
        int x = sz-add;
        X.push_back(S);
        Y.push_back(lol[x]);
        ret.push_back(S--);
    }
    return ret;
}
void create_circuit(int M, vector<int> A){
    vector<int> adj[M+1];
    adj[0].push_back(A[0]);
    for(int i = 1;i<A.size();i++){
        adj[A[i-1]].push_back(A[i]);
    }
    adj[A[M-1]].push_back(0);
    for(int i = 0;i<=M;i++){
        if(adj[i].empty())adj[i].push_back(0);
        vector<int> x = dc(adj[i]);
        C.push_back(x[0]);
    }
    answer(C,X,Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:28:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i = 1;i<A.size();i++){
      |                   ~^~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56