hdoj 5400 Arithmetic Sequence

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5400

水题

 #include<stdio.h>
 typedef long long LL;
 const int MAXN = 1e5;
 LL cnt( int x ){
         )/;
 }
 int main(){
     int n;
     int d1, d2;
     int flag;
     int ct;
     long long ans;
     int a[MAXN];
     while(~scanf("%d %d %d",&n,&d1,&d2)){
         ; i < n; ++i){
             scanf("%d",&a[i]);
         }
         flag = ;
         ans = n;
         ct = ;
         ; i < n; ++i){
             ])== d1 ){
                 ){
                     flag = ;
                     ans += cnt(ct);
                     ct = ;
                 }
                 else
                     ct++;
             }
             ])==d2){
                 flag = ;
                 ct++;
             }
             else{
                 ans += cnt(ct);
                 ct = ;
             }
         }
         if(ct)
             ans += cnt(ct);
         printf("%I64d\n",ans);
     }
 }