Submission #853781

#	Time	Username	Problem	Language	Result	Execution time	Memory
853781		abcvuitunggio	Mechanical Doll (IOI18_doll)	C++17	18 / 100	25 ms	3692 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
void create_circuit(int M, vector<int> A) {
    int N=A.size()-1;
    vector <int> C(M+1),X,Y,ve;
    C[0]=1;
    if (!N){
        C[1]=0;
        answer(C,X,Y);
        return;
    }
    C[1]=-1;
    ve.push_back(1);
    for (int i=0;(1<<i)<=N;i++){
        ve.push_back(1<<i);
        N-=(1<<i);
    }
    for (int i=0;i<20;i++)
        if ((N>>i)&1)
            ve.push_back(1<<i);
    sort(ve.begin(),ve.end());
    for (int i=1;i<ve.size();i++){
        int sum=0;
        Y.push_back(-i-1);
        for (int j=i-1;j>=0;j--){
            sum+=ve[j];
            if (sum==ve[i]){
                X.push_back((j?-j:1));
                break;
            }
        }
    }
    Y[Y.size()-1]=0;
    answer(C,X,Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:23:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for (int i=1;i<ve.size();i++){
      |                  ~^~~~~~~~~~

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