Submission #686636

#	Time	Username	Problem	Language	Result	Execution time	Memory
686636		QwertyPi	Present (RMI21_present)	C++14	29 / 100	749 ms	296 KiB

Main

#include <bits/stdc++.h>
 
using namespace std;
 
int g[65][65];
int B = 1;
bool ok(uint64_t b){
    for(int i = 1; i < B; i++){
        for(int j = i; j < B; j++){
            if((b & (1ULL << i)) && (b & (1ULL << j)) && !(b & (1ULL << g[i][j]))) return false;
        }
    }
    return true;
}
 
void out(uint64_t b){
    vector<int> v;
    for(int i = 0; i < 64; i++){
        if(b & (1ULL << i)) v.push_back(i + 1);
    }
    cout << v.size() << ' ';
    for(auto i : v) cout << i << ' ';
    cout << endl;
}

const int ST = 100000;
int a[11] = {0, 925799, 2372147, 3730271, 4916863, 6415551, 7643727, 9564415, 12028927, 14427903};
int main(){
    for(int i = 1; i <= 64; i++) for(int j = 1; j <= 64; j++) g[i - 1][j - 1] = __gcd(i, j) - 1;
    int cnt = 0;
    
    /*
    for(int i = 0;; i++){
        while(i >= (1ULL << B)) B++;
        if(ok(i)) { if(cnt % 100000 == 0) cout << i << ", "; cnt++; }
        if(cnt >= 1000000) break;
    }
    */
    int L; cin >> L;
    for(int i = 0; i < L; i++){
        int x, y = 0; cin >> x;
        B = 0;
        y = a[x / ST], x %= ST;
        for(; ; y++){
            while(y >= (1ULL << B)) B++;
            if(ok(y)) { if(x == 0) { out(y); break; } x--; }
        }
    }
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:45:21: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
   45 |             while(y >= (1ULL << B)) B++;
      |                   ~~^~~~~~~~~~~~~~
Main.cpp:30:9: warning: unused variable 'cnt' [-Wunused-variable]
   30 |     int cnt = 0;
      |         ^~~

• Subtask 1: 8 / 8
• Subtask 2: 21 / 21
• Subtask 3: 0 / 41
• Subtask 4: 0 / 14
• Subtask 5: 0 / 16