Submission #308942

#	Time	Username	Problem	Language	Result	Execution time	Memory
308942		amunduzbaev	Unscrambling a Messy Bug (IOI16_messy)	C++14	Compilation error	0 ms	0 KiB

messy

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

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

vector<string>v;
int n1;

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

    while(s.size() < n1){
        s.push_back('0');
    }

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

void add(){
    string s(n,'0');
    s[0]='0';
    for(int i=1;i<n1;i++) s[i]='1';
    int last=1;
    for(int i=0;i<n1-1;i++){
        add_element(s);
        s[last]='0';
        last++;
    }
    //cout<<"worked\n";
}
int fun(int b){
    int a=1;
    while(b--) a*=2;
    return a;
}
void check(){
    int num=0;
    string s;
    int n2=fun(n1);
    for(int i=1;i<n2;i++){
        num++;
        s=(bin(num));
        if(check_element(s)) v.push_back(s);
    }
}
vector<int> restore_permutation(int N, int w, int r) {
    n1=N;

    add();
    compile_set();
    check();
    vector<int>ans(n1,0),a(n1,0);
    for(int i=0;i<v.size();i++){
        for(int j=0;j<n1;j++){
            a[j]+=(v[i][j]-'0');
        }
    }
    for(int i=0;i<n1;i++){
        ans[a[i]]=i;
    }
    //for(int i=0;i<n1;i++)
    //    cout<<a[i]<<" ";
    return ans;
}
/*

4
16 16
1 3 2 0

*/

Compilation message (stderr)

messy.cpp: In function 'std::string bin(int)':
messy.cpp:18:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |     while(s.size() < n1){
      |           ~~~~~~~~~^~~~
messy.cpp: In function 'void add()':
messy.cpp:27:14: error: 'n' was not declared in this scope
   27 |     string s(n,'0');
      |              ^
messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:60:18: 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]
   60 |     for(int i=0;i<v.size();i++){
      |                 ~^~~~~~~~~