Submission #259680

#	Time	Username	Problem	Language	Result	Execution time	Memory
259680		errorgorn	Secret Permutation (RMI19_permutation)	C++14	3 / 100	3739 ms	256 KiB

permutation

#include "permutation.h"

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ii pair<ll,ll>
#define iii pair<ii,ll>
#define fi first
#define se second
#define endl '\n'
#define debug(x) cout << #x << " is " << x << endl;
 
#define rep(x,start,end) for(auto x=(start)-((start)>(end));x!=(end)-((start)>(end));((start)<(end)?x++:x--))
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
 

void solve(int n) {
	vector<int> v,ans(n);
	rep(x,1,n+1) v.push_back(x);
	
	do{
		if (query(v)==n-1){
			rep(x,0,n) ans[v[x]-1]=x+1;
			//rep(x,0,n) cout<<ans[x]<<" "; cout<<endl;
			answer(ans);
			return;
		}
	} while (next_permutation(all(v)));
}

Compilation message (stderr)

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);
   ~~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 15
• Subtask 2: 0 / 35
• Subtask 3: 0 / 50