标签:sizeof scanf others output sub ant bug lib tom
Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 2992 Accepted Submission(s): 1171
Here is a function f(x):
int f ( int x ) {
if ( x == 0 ) return 0;
return f ( x / 10 ) + x % 10;
}
1 #include <iostream> 2 #include <cstdio> 3 #include <cstdlib> 4 #include <cstring> 5 #include <algorithm> 6 #include <stack> 7 #include <queue> 8 #include <cmath> 9 #include <map> 10 #define ll __int64 11 #define dazhi 2147483647 12 #define bug() printf("!!!!!!!") 13 #define M 100005 14 using namespace std; 15 int bit[10]; 16 int dp[10][82][82][82]; 17 int n; 18 int functi(int pos,int mod,int xx ,int sum,bool flag) 19 { 20 if(pos==0) return (xx==sum&&mod%sum==0); 21 if(flag&&dp[pos][mod][xx][sum]!=-1) return dp[pos][mod][xx][sum]; 22 ll x=flag ? 9 : bit[pos]; 23 ll ans=0; 24 for(ll i=0;i<=x;i++) 25 ans+=functi(pos-1,(mod*10+i)%xx,xx,sum+i,flag||i<x); 26 if(flag) 27 dp[pos][mod][xx][sum]=ans; 28 return ans; 29 } 30 int fun(int x) 31 { 32 int len=0; 33 while(x) 34 { 35 bit[++len]=x%10; 36 x/=10; 37 } 38 ll re=0; 39 for(int i=1;i<=81;i++) 40 re+=functi(len,0,i,0,0); 41 return re; 42 } 43 int main() 44 { 45 int t; 46 int l,r; 47 while(scanf("%d",&t)!=EOF) 48 { 49 memset(dp,-1,sizeof(dp)); 50 for(int i=1;i<=t;i++) 51 { 52 scanf("%d %d",&l,&r); 53 int exm=fun(r); 54 printf("Case %d: %d\n",i,exm-fun(l-1)); 55 } 56 } 57 return 0; 58 }
标签:sizeof scanf others output sub ant bug lib tom
原文地址:http://www.cnblogs.com/hsd-/p/6597263.html