Submission #557442

#	Time	Username	Problem	Language	Result	Execution time	Memory
557442		FatihSolak	Password (RMI18_password)	C++17	Compilation error	0 ms	0 KiB

password

#include <bits/stdc++.h>
using namespace std;
int query(string str);
string password;
int query(string q) {
  int len = q.size();
  int i = 0, j = 0, plen = password.size();
  while (i < plen && j < len) {
    while ((i < plen) && (password[i] != q[j])) {
      i++;
    }
    if (i < plen) {
      i++;
      j++;
    }
  }
  return j;
}
int rem[30][30][5005];
int tot = 50000;
int myquery(string &s){
    assert(tot--);
    return query(s);
}
int ask(int a,int b,int c,int d){
    if(rem[a][b][c]  != -1)return rem[a][b][c];
    string tmp = "";
    for(int i = 0;i<c;i++)
        tmp += a + 'a';
    for(int i = 0;i<d;i++)
        tmp += b + 'a';
    return rem[a][b][c] = myquery(tmp);
}
mt19937 rng(31);
string guess(int n, int s){
    for(int i = 0;i<30;i++){
        for(int j = 0;j<30;j++){
            for(int c = 0;c<5005;c++){
                rem[i][j][c] = -1;
            }
        }
    }
    vector<int> v;
    for(int i = 0;i<s;i++){
        v.push_back(i);
    }
    //shuffle(v.begin(),v.end(),rng);
    vector<int> cnt(s);
    vector<int> used(s);
    vector<int> init(s);
    for(int i = 0;i<s;i++){
        cnt[v[i]] = ask(v[i],0,n,0);
        init[v[i]] = cnt[v[i]];
    }
    string res = "";
    for(int x = n-1;x>=0;x--){
        int val = 0;
        while(cnt[v[val]] == 0)
            val++;
        for(int i = val+1;i<s;i++){
            if(cnt[v[i]] == 0)continue;
            if(ask(v[val],v[i],cnt[v[val]],init[v[i]]) >= cnt[v[val]] + used[v[i]] + 1){
                val = i;
            }
        }
        res += v[val] + 'a';
        used[v[val]]++;
        cnt[v[val]]--;
        vector<int> tmp;
        for(int i = 0;i<val;i++){
            tmp.push_back(v[i]);
        }
        for(int i = val+1;i<v.size();i++){
            tmp.push_back(v[i]);
        }
        tmp.push_back(v[val]);
        v = tmp;
        //cout << res << endl;
    }
    reverse(res.begin(),res.end());
    return res;
}
int main(){
    #ifdef Local
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    #endif
    int n,s;
    cin >> n >> s;
    cin >> password;
    guess(n,s);
}

Compilation message (stderr)

password.cpp: In function 'std::string guess(int, int)':
password.cpp:73:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |         for(int i = val+1;i<v.size();i++){
      |                           ~^~~~~~~~~
/usr/bin/ld: /tmp/ccCwWLer.o: in function `query(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)':
grader.cpp:(.text+0x80): multiple definition of `query(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >)'; /tmp/cc5i7pEn.o:password.cpp:(.text+0xc0): first defined here
/usr/bin/ld: /tmp/ccCwWLer.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc5i7pEn.o:password.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status