http://codeforces.com/gym/100623/attachments H题

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<queue>
 4 #include<algorithm>
 5 #include<cmath>
 6 #include<ctime>
 7 #include<set>
 8 #include<map>
 9 #include<stack>
10 #include<cstring>
11 #define inf 2147483647
12 #define ls rt<<1
13 #define rs rt<<1|1
14 #define lson ls,nl,mid,l,r
15 #define rson rs,mid+1,nr,l,r
16 #define N 100010
17 #define For(i,a,b) for(long long i=a;i<=b;i++)
18 #define p(a) putchar(a)
19 #define g() getchar()
20 
21 using namespace std;
22 
23 long long n,m;
24 long long a[400],b[400000];
25 long long ans,cnt,now;
26 bool flag;
27 void in(long long &x){
28     long long y=1;
29     char c=g();x=0;
30     while(c<‘0‘||c>‘9‘){
31         if(c==‘-‘)y=-1;
32         c=g();
33     }
34     while(c<=‘9‘&&c>=‘0‘){
35         x=(x<<1)+(x<<3)+c-‘0‘;c=g();
36     }
37     x*=y;
38 }
39 void o(long long x){
40     if(x<0){
41         p(‘-‘);
42         x=-x;
43     }
44     if(x>9)o(x/10);
45     p(x%10+‘0‘);
46 }
47 int main(){
48     freopen("key.in","r",stdin);
49     freopen("key.out","w",stdout);
50     in(n);in(m);
51     For(i,1,n)
52         in(a[i]);
53     sort(a+1,a+n+1);
54     if(a[1]!=1){
55         b[++cnt]=1;
56         ans++;
57         m--;
58     }
59     // if(m>0)
60     //     For(i,1,n-1){
61     //         ans+=a[i];
62     //         if(ans<a[i+1]-1){
63     //             b[++cnt]=ans+1;
64     //             ans+=ans+1;
65     //             m--;
66     //         }
67     //         if(!m)
68     //             break;
69     //     }
70     now=1;
71     while(m>0){
72         if(ans<a[now]-1){
73             b[++cnt]=ans+1;
74              ans+=ans+1;
75             m--;
76         }
77         else{
78             ans+=a[now];
79             now++;
80         }
81         if(now>n)
82             break;
83     }
84     while(m>0){
85         b[++cnt]=ans+1;
86          ans+=ans+1;
87         m--;
88     }
89     For(i,1,cnt)
90         o(b[i]),p(‘ ‘);
91     return 0;
92 }