Submission #370630

#	Time	Username	Problem	Language	Result	Execution time	Memory
370630		arnold518	Zagonetka (COI18_zagonetka)	C++14	0 / 100	2 ms	364 KiB

zagonetka

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 100;

int N, A[MAXN+10], P[MAXN+10];

int query()
{
    printf("query ");
    for(int i=1; i<=N; i++) printf("%d ", P[i]);
    printf("\n");
    fflush(stdout);
    int t;
    scanf("%d", &t);
    return t;
}

int main()
{
    scanf("%d", &N);
    for(int i=1; i<=N; i++) scanf("%d", &A[i]);

    int a=-1, b=-1;
    for(int i=1; i<=N; i++)
    {
        for(int j=i+1; j<=N; j++)
        {
            for(int k=1; k<=N; k++) P[k]=A[k];
            swap(P[i], P[j]);
            if(!query())
            {
                a=i; b=j;
                break;
            }
            if(a!=-1) break;
        }
        if(a!=-1) break;
    }

    printf("end\n"); fflush(stdout);
    if(A[a]<A[b])
    {
        for(int i=1; i<=N; i++) printf("%d ", i);
        printf("\n");
    }
    else
    {
        for(int i=1; i<=N; i++)
        {
            if(i<a || b<i) printf("%d ", i);
            else if(i==a) printf("%d ", a+1);
            else if(i==b) printf("%d ", a);
            else printf("%d ", i+1);
        }
        printf("\n");
    }
    fflush(stdout);

    if(A[a]>A[b])
    {
        for(int i=1; i<=N; i++) printf("%d ", N-i+1);
        printf("\n");
    }
    else
    {
        for(int i=1; i<=N; i++)
        {
            if(i<a || b<i) printf("%d ", N-i+1);
            else if(i==a) printf("%d ", N-a);
            else if(i==b) printf("%d ", N-a+1);
            else printf("%d ", N-i);
        }
        printf("\n");
    }
    fflush(stdout);
}

Compilation message (stderr)

zagonetka.cpp: In function 'int query()':
zagonetka.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~
zagonetka.cpp: In function 'int main()':
zagonetka.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |     scanf("%d", &N);
      |     ~~~~~^~~~~~~~~~
zagonetka.cpp:26:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |     for(int i=1; i<=N; i++) scanf("%d", &A[i]);
      |                             ~~~~~^~~~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 18
• Subtask 3: 0 / 22
• Subtask 4: 0 / 51