#include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <complex>
#include <list>
#include <chrono>
#include <random>
#include <stack>
#include <iomanip>
#include <fstream>
using namespace std;
#define endl "\n"
// #define int long long
const int INF = 2 * 1e5 + 5;
const int MOD = 1e9 + 7;
int query(string s);
// int query(string s);
string guess(int n, int s){
bool pass = false;
string sol = "";
for(char i = 'a'; i < 'a'+s; i++){
string letter = string(n, i);
int amount = query(letter);
int initAmount = amount;
if(amount == 0) continue;
if(!pass){
sol += string(amount, i);
pass = true;
} else {
int len = sol.length();
vector<pair<int, int>> add;
for(int j = 0; j <= len; j++){
string curr = sol.substr(0, len-j) + string(n-(len-j), i);
amount = query(curr);
int pos = len - j;
int diff = amount - pos;
if(diff > 0){
add.push_back({pos, diff});
initAmount -= diff;
if(initAmount <= 0) break;
}
}
int k = 0;
for(auto &j : add){
sol.insert(j.first + k, string(j.second, i));
k+=j.second;
// cout << "{" << j.first << " " << j.second << "}" << endl;
}
// cout << "| " << temp << " |" << endl;
}
}
assert(sol.size()==n);
return sol;
}
Compilation message
password.cpp: In function 'std::string guess(int, int)':
password.cpp:64:22: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
64 | assert(sol.size()==n);
| ~~~~~~~~~~^~~
password.cpp:64:5: error: 'assert' was not declared in this scope
64 | assert(sol.size()==n);
| ^~~~~~
password.cpp:18:1: note: 'assert' is defined in header '<cassert>'; did you forget to '#include <cassert>'?
17 | #include <fstream>
+++ |+#include <cassert>
18 | using namespace std;