#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef basic_string<int> B;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}());
const ll mod=1000000007;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head
int cnt[30];
string guess(int n,int s) {
rep(i,0,s) {
cnt[i]=query(string(n,(char)('a'+i)));
}
string res="";
rep(i,0,n) {
VI f;
rep(j,0,26) if (cnt[j]>0) f.pb(j);
int c=f[0];
rep(j,1,SZ(f)) {
string str=res;
str+=(char)('a'+c);
rep(k,0,cnt[f[j]]) str+=(char)('a'+f[j]);
int qv=query(str);
if (qv!=cnt[f[j]]+SZ(res)+1) {
c=f[j];
}
}
res+=(char)('a'+c);
cnt[c]-=1;
}
return res;
}
Compilation message
password.cpp: In function 'std::string guess(int, int)':
password.cpp:28:10: error: 'query' was not declared in this scope
28 | cnt[i]=query(string(n,(char)('a'+i)));
| ^~~~~
password.cpp:39:11: error: 'query' was not declared in this scope
39 | int qv=query(str);
| ^~~~~
