hdu4727 The Number Off of FFF

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=4727

#include <stdio.h>#define MAXN 100001int arr[MAXN];int main(){int i,n,test,index,cases=1;scanf("%d",&test);while(test--){scanf("%d",&n);for(i=1;i<=n;++i)scanf("%d",&arr[i]);index=1;for(i=2;i<=n;++i){if(arr[i]!=arr[i-1]+1){index=i;break;}}printf("Case #%d: %d\n",cases++,index);}return 0;}