Submission #217767

#	Time	Username	Problem	Language	Result	Execution time	Memory
217767		2fat2code	Secret Permutation (RMI19_permutation)	C++17	Compilation error	0 ms	0 KiB

permutation

#include "combo.h"
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define all(a) (a).begin(), (a).end()
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define sz() size()
#define fr first
#define sc second
#define pi pair<int,int>
#define pii pair<pair<int,int>,int>
#define mp make_pair
//#define int long long
#define rc(s) return cout<<s,0
#define rcc(s) cout<<s,exit(0)
using namespace std;

const int mod=1e9+7;
const int modp=1999999973;
const int modulo=998244353;

vector<char>ch;
vector<char>ch2;

string guess_sequence(int N) {
    ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
    srand(chrono::steady_clock::now().time_since_epoch().count());
    string tz;
    ch.push_back('A'); ch.push_back('B'); ch.push_back('X'); ch.push_back('Y');
    tz="A";
    if(press(tz)==1) goto next;
    tz="B";
    if(press(tz)==1) goto next;
    tz="X";
    if(press(tz)==1) goto next;
    tz="Y";
    next:;
    for(int i=0;i<ch.size();i++){
        if(ch[i]!=tz.back()) ch2.push_back(ch[i]);
    }
    for(int i=1;i<(N-1);i++){
        random_shuffle(all(ch2));
        cout << endl;
        string ask=(tz+ch2[0]+ch2[0]+tz+ch2[0]+ch2[1]+tz+ch2[0]+ch2[2]+tz+ch2[1]);
        int g=press(ask);
        if(g==(i+2)) tz.push_back(ch2[0]);
        else if(g==(i+1)) tz.push_back(ch2[1]);
        else tz.push_back(ch2[2]);
    }
    if(N>=2){
        tz+="A";
        if(press(tz)==N) goto next1;
        tz.pop_back();
        tz+="B";
        if(press(tz)==N) goto next1;
        tz.pop_back();
        tz+="X";
        if(press(tz)==N) goto next1;
        tz.pop_back();
        tz+="Y";
        next1:;
    }
    return tz;
}

Compilation message (stderr)

permutation.cpp:1:10: fatal error: combo.h: No such file or directory
 #include "combo.h"
          ^~~~~~~~~
compilation terminated.
stub.cpp: In function 'int query(int*)':
stub.cpp:15:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(stdin, "%d", &x);
   ~~~~~~^~~~~~~~~~~~~~~~~
stub.cpp: In function 'int main(int, char**)':
stub.cpp:48:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(stdin, "%d", &N);
   ~~~~~~^~~~~~~~~~~~~~~~~