题目1052:找x
#include<stdio.h>
int data[201];
int main(int argc, char *argv[])
{
int n;
int i;
for(i=0;i<201;++i)
data[i]=-2;
while(scanf("%d",&n)!=EOF)
{
int tmp;
for(i=0;i<n;++i){
scanf("%d",&tmp);
data[tmp]=i;
}
scanf("%d",&tmp);
if(data[tmp]!=-2)
printf("%d\n",data[tmp]);
else
printf("-1\n");
}
return 0;
}
/**************************************************************
Problem: 1052
User: kirchhoff
Language: C
Result: Accepted
Time:0 ms
Memory:916 kb
****************************************************************/