Submission #1026803

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026803		nisanduu	Mechanical Doll (IOI18_doll)	C++14	0 / 100	0 ms	348 KiB

doll

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

using namespace std;
typedef long long ll;

void create_circuit(int M, std::vector<int> A) {
  int N = A.size();
  ll inf = 1e9; 
  std::vector<int> C(M + 1,inf);
  map<int,int> mp;
  vector<int> X,Y;
  vector<int> unused;
  int sz = A.size();
  int crMinus = -1;
  C[0] = crMinus;
  X.push_back(A[0]);
  Y.push_back(crMinus);
  crMinus--;
  vector<int> tmp = A;
  tmp.push_back(0);
  int ind = 1;
  for(int i=0;i<(tmp.size()-1);i++){
    if(mp[tmp[i]]){
        Y[mp[tmp[i]]] = tmp[i+1];
        C[tmp[i]] = tmp[i+1];
    }else{
        C[tmp[i]] = crMinus;
        X.push_back(tmp[i+1]);
        Y.push_back(crMinus);
        mp[tmp[i]] = ind;
        ind++;
        crMinus--;
    }
  }
  for(int i=0;i<(M+1);i++){
      if(C[i]==inf){
          unused.push_back(i);
      }
  }
  sz = unused.size();
  for(int i=0;i<(sz-1);i++){
      C[unused[i]] = unused[i+1];
  }
  
  if(sz>0){
      C[unused[sz-1]] = -1;
      X.push_back(0);
      Y.push_back(-1);
  }
  //std::vector<int> X(N), Y(N);
  answer(C, X, Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:23:16: 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=0;i<(tmp.size()-1);i++){
      |               ~^~~~~~~~~~~~~~~
doll.cpp:8:7: warning: unused variable 'N' [-Wunused-variable]
    8 |   int N = A.size();
      |       ^

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