Submission #308938

#	Time	Username	Problem	Language	Result	Execution time	Memory
308938		amunduzbaev	Unscrambling a Messy Bug (IOI16_messy)	C++14	0 / 100	1 ms	384 KiB

messy

#include <bits/stdc++.h>
using namespace std;

#include "messy.h"
//#include "grader.cpp"

vector<string>v;
int n;

string bin(int a){
    string s;
    while(a){
        int d=a%2;
        s.push_back(d+'0');
        a/=2;
    }
    int ss=s.size();
    while(ss < n){
        s.push_back('0');
        ss=s.size();
    }

    reverse(s.begin(),s.end());
    return s;
}

void add(){
    string s;
    s[0]='0';
    for(int i=1;i<n;i++) s[i]='1';
    int last=1;
    for(int i=0;i<n-1;i++){
        add_element(s);
        s[last]='0';
        last++;
    }
}
int p(int b){
    int a=1;
    while(b--) a*=2;
    return a;
}
void check(){
    int num=0;
    string s;
    for(int i=1;i<p(n);i++){
        num++;
        s=(bin(num));
        if(check_element(s)) v.push_back(s);
    }
}
vector<int> restore_permutation(int N, int w, int r) {
    n=N;

    add();
    compile_set();
    check();
    vector<int>ans(n,0),a(n,0);
    for(int i=0;i<v.size();i++){
        for(int j=0;j<n;j++){
            a[j]+=(v[i][j]-'0');
        }
    }
    for(int i=0;i<n;i++){
        ans[a[i]]=i;
    }
    for(int i=0;i<n;i++)
        cout<<a[i]<<" ";
        return ans;
}
/*

4
16 16
1 3 2 0

*/

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~
messy.cpp:67:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   67 |     for(int i=0;i<n;i++)
      |     ^~~
messy.cpp:69:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   69 |         return ans;
      |         ^~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30