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Submission #470497

# Submission time Handle Problem Language Result Execution time Memory
470497 2021-09-04T05:49:07 Z Cross_Ratio Mechanical Doll (IOI18_doll) C++14
0 / 100
 1 ms 204 KB 
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;

void create_circuit(int M, vector<int> A) {
    int sz;
    int i;
    int N = A.size();
    for(sz=1;sz<2*N;sz*=2) {}
    vector<int> C, X, Y;
    C.resize(M+1);
    fill(C.begin(),C.end(),-1);
    X.resize(sz);
    Y.resize(sz);
    for(i=1;i<sz/2;i++) {
        X[i] = -2*i;
        Y[i] = -2*i-1;
    }
    vector<bool> isX(sz, true);
    for(i=0;i<sz/2;i++) {
        int pt = 1;
        while(pt<sz/2) {
            if(isX[pt]) {
                isX[pt] = false;
                pt = 2*pt;
            }
            else {
                isX[pt] = true;
                pt = 2*pt + 1;
            }
        }
        bool isXp = 1 - pt % 2;
        pt /= 2;
        if(isXp) {
            if(i==sz/2-1) X[pt] = 0;
            else if(i < N) X[pt] = A[i];
            else X[pt] = -1;
        }
        else {
            if(i==sz/2-1) Y[pt] = 0;
            else if(i < N) Y[pt] = A[i];
            else Y[pt] = -1;
        }
    }
    for(i=0;i<X.size()-1;i++) {
        X[i] = X[i+1];
        Y[i] = Y[i+1];
    }
    X.pop_back();
    Y.pop_back();
    answer(C, X, Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:45:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |     for(i=0;i<X.size()-1;i++) {
      |             ~^~~~~~~~~~~

Subtask #1
0 / 2.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB wrong motion
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 56.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -