답안 #5656

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
5656	2014-05-10T03:54:38 Z	baneling100	성질 급한 지학이 (IZhO13_crazy)	C++	100 / 100	12 ms	1096 KB

crazy

#include <stdio.h>

int T, N, P[1001], check[1001], ans;

void input(void)
{
    int i;

    scanf("%d",&N);
    for(i=1 ; i<=N ; i++)
        scanf("%d",&P[i]);
    ans=0;
}

void process(void)
{
    int i, j, now, ok;

    for(i=1 ; i<=N ; i++)
    {
        for(j=1 ; j<=N ; j++)
            check[j]=0;
        check[P[1]]=ok=1;
        now=0;
        for(j=2 ; j<=N && ok ; j++)
        {
            now++;
            if(now==i)
                now++;
            if(check[now])
            {
                if(now==P[j])
                    ok=0;
                else
                {
                    if(check[P[j]])
                        ok=0;
                    else
                        check[P[j]]=1;
                }
            }
            else
            {
                if(now==P[j])
                    check[now]=1;
                else
                    ok=0;
            }
        }
        if(ok)
        {
            if(ans)
            {
                ans=0;
                break;
            }
            else
                ans=i;
        }
    }
}

void output(void)
{
    printf("%d\n",ans);
}

int main(void)
{
    int i;

    scanf("%d",&T);
    for(i=1 ; i<=T ; i++)
    {
        input();
        process();
        output();
    }
    return 0;
}

Subtask #1

100.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1096 KB	Output is correct
2	Correct	0 ms	1096 KB	Output is correct
3	Correct	0 ms	1096 KB	Output is correct
4	Correct	0 ms	1096 KB	Output is correct
5	Correct	0 ms	1096 KB	Output is correct
6	Correct	0 ms	1096 KB	Output is correct
7	Correct	0 ms	1096 KB	Output is correct
8	Correct	0 ms	1096 KB	Output is correct
9	Correct	0 ms	1096 KB	Output is correct
10	Correct	0 ms	1096 KB	Output is correct
11	Correct	0 ms	1096 KB	Output is correct
12	Correct	0 ms	1096 KB	Output is correct
13	Correct	0 ms	1096 KB	Output is correct
14	Correct	4 ms	1096 KB	Output is correct
15	Correct	8 ms	1096 KB	Output is correct
16	Correct	8 ms	1096 KB	Output is correct
17	Correct	8 ms	1096 KB	Output is correct
18	Correct	12 ms	1096 KB	Output is correct
19	Correct	12 ms	1096 KB	Output is correct
20	Correct	12 ms	1096 KB	Output is correct