#include <bits/stdc++.h>
#include "ancient2.h"
using namespace std;
typedef long long ll;
#define int long long
#define vo vector
#define fi first
#define se second
#define pr(x) cerr << #x << " " << x << endl;
#define sz(x) x.size()
typedef vo<int> vi;
typedef pair<int, int> pii;
#define rep(i, a, b) for(ll i = (a); i<(b); i++)
ll const inf = LLONG_MAX, mxn = 51;
std::string Solve(int n){
string ans;
rep(i, 0, 1000){
int ret = Query(2, {0, 0}, {1, 1});
if(ret==0){
ans.pb('0');
}
else{
ans.pb('1');
}
}
return ans;
}
Compilation message
ancient2.cpp: In function 'std::string Solve(long long int)':
ancient2.cpp:23:17: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'pb'
23 | ans.pb('0');
| ^~
ancient2.cpp:26:17: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'pb'
26 | ans.pb('1');
| ^~