Submission #1055338

#	Time	Username	Problem	Language	Result	Execution time	Memory
1055338		Ahmed57	Mechanical Doll (IOI18_doll)	C++17	47 / 100	42 ms	13736 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/2;
    vector<int> ret;
    for(int j = 0;j+add<sz;j++){
        if(lol[j]==-1e9&&lol[j+add]==-1e9){
            //ret.push_back(-1e9);
            continue;
        }
        if(lol[j]==-1e9)X.push_back(-1e9);
        else X.push_back(lol[j]);
        Y.push_back(lol[j+add]);
        ret.push_back(S--);
    }
    return dc(ret);
}
void create_circuit(int M, vector<int> A){
    S = -1;
    X.clear();
    Y.clear();
    C.clear();
    vector<int> adj[M+1];
    int N = A.size();
    vector<int> lo;
    for(int i = 1;i<N;i++){
        lo.push_back(A[i]);
    }
    lo.push_back(0);
    int rem = 1;
    while(rem<lo.size())rem*=2;
    vector<int> fin;
    while(rem>lo.size()){fin.push_back(-1e9);rem--;}
    for(auto i:lo)fin.push_back(i);
    vector<int> e = dc(fin);
    C.push_back(A[0]);
    for(int i = 0;i<X.size();i++){
        if(X[i]==-1e9)X[i] = e[0];
        if(Y[i]==-1e9)Y[i] = e[0];
    }
    for(int i = 1;i<=M;i++){
        if(rem==0)C.push_back(0);
        else C.push_back(e[0]);
    }
    answer(C,X,Y);
}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:37:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     while(rem<lo.size())rem*=2;
      |           ~~~^~~~~~~~~~
doll.cpp:39:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     while(rem>lo.size()){fin.push_back(-1e9);rem--;}
      |           ~~~^~~~~~~~~~
doll.cpp:43:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i = 0;i<X.size();i++){
      |                   ~^~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56