Submission #576247

#	Time	Username	Problem	Language	Result	Execution time	Memory
576247		AugustinasJucas	Unscrambling a Messy Bug (IOI16_messy)	C++14	Compilation error	0 ms	0 KiB

messy

#include <bits/stdc++.h>
int n;
string nl;
vector<int> ans;
vector<int> nera(vector<int> a ) {
    vector<int> ret;
    set<int> setas;
    for(auto &x : a) setas.insert(x);
    for(int i = 0; i < n; i++) {
        if(setas.count(i) == 0) ret.push_back(i);
    }
    return ret;
}
string nr(vector<int> x ) {
    string ret = nl;
    for(auto &y : x) ret[y] = '1';
    return ret;
}
void darom(vector<int> mas) {
    if(mas.size() == 1) return ;
    vector<int> a, b;
    for(int i = 0; i < mas.size()/2; i++) {
        a.push_back(mas[i]);
        b.push_back(mas[i+mas.size()/2]);
    }
    string s = nr(nera(mas));
    for(auto &x : b) {
        s[x] = '1';
        add_element(s);
        s[x] = '0';
    }
    darom(a);
    darom(b);
}
int sk = 0;
void rask(vector<int> mas) {
    if(mas.size() == 1) {
        ans[mas[0]] = sk;
        return ;    
    }
    string s = nr(nera(mas));
    vector<int> a, b;
    for(auto &x : mas){
        s[x] = '1';
        if(check_element(s) == 1) {
            a.push_back(x);
        }else {
            b.push_back(x);
        }
        s[x] = '0';
    }
    sk = sk * 2 + 1;
    rask(a);
    sk--;
    rask(b);
    sk /= 2;
}
vector<int> restore_permutation(int N, int w, int r) {
/*    add_element("0");
    compile_set();
    check_element("0");
*/
    n = N;
    ans.resize(n);
    for(int i = 0; i < n; i++) nl.push_back('0');
    vector<int> ms;
    for(int i = 0; i < n; i++) ms.push_back(i);
    darom(ms);
    compile_set();
    rask(ms);
    return ans;
}

Compilation message (stderr)

messy.cpp:3:1: error: 'string' does not name a type; did you mean 'stdin'?
    3 | string nl;
      | ^~~~~~
      | stdin
messy.cpp:4:1: error: 'vector' does not name a type
    4 | vector<int> ans;
      | ^~~~~~
messy.cpp:5:1: error: 'vector' does not name a type
    5 | vector<int> nera(vector<int> a ) {
      | ^~~~~~
messy.cpp:14:1: error: 'string' does not name a type; did you mean 'stdin'?
   14 | string nr(vector<int> x ) {
      | ^~~~~~
      | stdin
messy.cpp:19:6: error: variable or field 'darom' declared void
   19 | void darom(vector<int> mas) {
      |      ^~~~~
messy.cpp:19:12: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
   19 | void darom(vector<int> mas) {
      |            ^~~~~~
      |            std::vector
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from messy.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
messy.cpp:19:19: error: expected primary-expression before 'int'
   19 | void darom(vector<int> mas) {
      |                   ^~~
messy.cpp:36:6: error: variable or field 'rask' declared void
   36 | void rask(vector<int> mas) {
      |      ^~~~
messy.cpp:36:11: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
   36 | void rask(vector<int> mas) {
      |           ^~~~~~
      |           std::vector
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
                 from messy.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
messy.cpp:36:18: error: expected primary-expression before 'int'
   36 | void rask(vector<int> mas) {
      |                  ^~~
messy.cpp:58:1: error: 'vector' does not name a type
   58 | vector<int> restore_permutation(int N, int w, int r) {
      | ^~~~~~