Submission #238859

#	Time	Username	Problem	Language	Result	Execution time	Memory
238859		Sorting	Secret Permutation (RMI19_permutation)	C++14	0 / 100	17 ms	256 KiB

permutation

#include <bits/stdc++.h>
#include "permutation.h"

using namespace std;

int query(int v[]);
int query(vector<int> v);
void answer(int v[]);
void answer(vector<int> v);

void solve(int n){
    vector<int> v;
    for(int i = 1; i <= n; ++i)
        v.push_back(i);

    do{
        if(query(v) == n - 1){
            vector<int> p(n);
            for(int i = 0; i < n; ++i)
                p[v[i]] = i + 1;

            answer(v);
            return;
        }
    }
    while(next_permutation(v.begin(), v.end()));
}

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