oj.uz

Submission #496282

# Submission time Handle Problem Language Result Execution time Memory
496282 2021-12-21T04:51:07 Z triplem5ds Password (RMI18_password) C++14
10 / 100
 2 ms 200 KB 
/// Zengy MANGA
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")

#include "bits/stdc++.h"

using namespace std;

#define pb push_back
#define F first
#define S second
#define f(i, a, b)  for(int i = a; i < b; i++)
#define all(a)  a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define sz(x) (int)(x).size()
#define mp(x,y) make_pair(x,y)
#define popCnt(x) (__builtin_popcountll(x))

using ll = long long;
using ii = pair<int,int>;
using ull = unsigned long long;
using db = long double;

const int N = 2e5+5, LG = 18, MOD = 998244353;
const long double PI = acos(-1);

int query(string s);

string guess(int n, int s) {
    string ans = "";
    int cur = 0;
    for(char c = 'a'; c < 'a'+s; c++) {
        for(int j = 0; j <= ans.size(); j++) {
            if(query(ans.substr(0,j)+string(1,c)+ans.substr(j)) > cur) {
                cur += 1;
                ans = ans.substr(0,j)+string(1,c)+ans.substr(j);
                break;
            }
        }
    }
    return ans;
}

Compilation message

password.cpp: In function 'std::string guess(int, int)':
password.cpp:34:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         for(int j = 0; j <= ans.size(); j++) {
      |                        ~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 62 queries.
2 Correct 2 ms 200 KB Guessed the password with 165 queries.

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Returned early from guess() after 3 queries.
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 200 KB Returned early from guess() after 14 queries.
2 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 62 queries.
2 Correct 2 ms 200 KB Guessed the password with 165 queries.
3 Incorrect 1 ms 200 KB Returned early from guess() after 3 queries.
4 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Guessed the password with 62 queries.
2 Correct 2 ms 200 KB Guessed the password with 165 queries.
3 Incorrect 1 ms 200 KB Returned early from guess() after 3 queries.
4 Halted 0 ms 0 KB -