Submission #918697

#	Time	Username	Problem	Language	Result	Execution time	Memory
918697		nasir_bashirov	Password (RMI18_password)	C++17	Compilation error	0 ms	0 KiB

password

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

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

#define db long double
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define vi vector<int>
#define vl vector<ll>
#define vii vector<pii>
#define vll vector<pll>
// #define endl '\n'
#define all(x) x.begin(), x.end()
#define fastio\
    ios_base::sync_with_stdio(0);\
    cin.tie(0);\
    cout.tie(0)\

int query(string str);

#define pci pair<char, int>

map<pair<pci, pci>, bool> memo;
map<char, int> cnt;

bool comp(pair<char, int> a, pair<char, int> b){
    if(a.first == b.first){
        return a.second < b.second;
    }
    if(memo.count({a, b}))    return memo[{a, b}];  
    string s = "";
    for(int i = 1; i <= a.second; i++){
        s += a.first;
    }
    for(int i = 1; i <= cnt[b.first] - b.second + 1; i++){
        s += b.first;
    }
    return memo[{a, b}] = (query(s) == (int)s.size());
}

string guess(int n, int s){
    vector<pci> v;
    for(char c = 'a'; c <= char('a'+s-1); c++){
        string s1 = "";
        for(int j = 1; j <= n; j++){
            s1 += c;
        }
        cnt[c] = query(s1);
        for(int j = 1; j <= cnt[c]; j++){
            v.push_back({c, j});
        }
        // cout << c << " : " << cnt[c] << endl;
    }
    shuffle(all(v));
    sort(all(v), comp);
    string res = "";
    for(auto i : v){
        res += i.first;
    }
    return res;
}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:57:19: error: no matching function for call to 'shuffle(std::vector<std::pair<char, int> >::iterator, std::vector<std::pair<char, int> >::iterator)'
   57 |     shuffle(all(v));
      |                   ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from password.cpp:4:
/usr/include/c++/10/bits/stl_algo.h:3748:5: note: candidate: 'template<class _RAIter, class _UGenerator> void std::shuffle(_RAIter, _RAIter, _UGenerator&&)'
 3748 |     shuffle(_RandomAccessIterator __first, _RandomAccessIterator __last,
      |     ^~~~~~~
/usr/include/c++/10/bits/stl_algo.h:3748:5: note:   template argument deduction/substitution failed:
password.cpp:57:19: note:   candidate expects 3 arguments, 2 provided
   57 |     shuffle(all(v));
      |                   ^