Submission #95725

#	Time	Username	Problem	Language	Result	Execution time	Memory
95725		tqbfjotld	Mechanical Doll (IOI18_doll)	C++14	0 / 100	45 ms	5176 KiB

doll

#include "doll.h"
#include <vector>
#include <utility>
using namespace std;
pair<int,int> ans2[100005];
int ans[100005];
using namespace std;
void create_circuit(int M, std::vector<int> A) {
    vector<int> X;
    vector<int> Y;
    for (int x = 0; x<M+1; x++){
        ans2[x].first = -x;
        ans2[x].second = -x;
    }
    for (int x = 0; x<A.size()-1; x++){
        if (ans2[A[x]].first == A[x]){
            ans2[A[x]].second = A[x+1];
        }
        else{
            ans2[A[x]].first = ans2[A[x]].second;
            ans2[A[x]].second = A[x+1];

        }
    }
    if (ans2[A[A.size()-1]].first == -A[A.size()-1]){
            ans2[A[A.size()-1]].second = 0;
        }
        else{
            ans2[A[A.size()-1]].first = ans2[A[A.size()-1]].second;
            ans2[A[A.size()-1]].second = 0;

        }
    vector<int> C;
    for (int x = 0; x<M+1; x++){
        C.push_back(-x);
        if (x==0) continue;
        X.push_back(ans2[x].first);
        Y.push_back(ans2[x].second);
    }

    C[0] = A[0];
    answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |     for (int x = 0; x<A.size()-1; x++){
      |                     ~^~~~~~~~~~~

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