Can you find it?
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Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/10000 K (Java/Others)
Total Submission(s): 17266 Accepted Submission(s): 4373Problem Description
Give you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find the three numbers Ai, Bj, Ck, which satisfy the formula Ai+Bj+Ck = X.
Input
There are many cases. Every data case is described as followed: In the first line there are three integers L, N, M, in the second line there are L integers represent the sequence A, in the third line there are N integers represent the sequences B, in the forth line there are M integers represent the sequence C. In the fifth line there is an integer S represents there are S integers X to be calculated. 1<=L, N, M<=500, 1<=S<=1000. all the integers are 32-integers.
Output
For each case, firstly you have to print the case number as the form "Case d:", then for the S queries, you calculate if the formula can be satisfied or not. If satisfied, you print "YES", otherwise print "NO".
Sample Input
3 3 31 2 31 2 31 2 331410
Sample Output
Case 1:NOYESNO
#include<stdio.h>#include<algorithm>using namespace std;int s[300000];int x[3][600];int find(int *s,int e,int r,int y){int mid;while(e<=r){ mid=(e+r)/2;if(y==s[mid])return 1; else if(y<s[mid]) r=mid-1;else if(y>s[mid])e=mid+1;}return 0;}int main(){int i,j,k,a,b,c,n;int f=0;while(scanf("%d%d%d",&a,&b,&c)!=EOF){for(i=0;i<a;i++)scanf("%d",&x[0][i]);for(i=0;i<b;i++)scanf("%d",&x[1][i]);for(i=0;i<a;i++)for(j=0;j<b;j++)s[i*b+j]=x[0][i]+x[1][j];for(i=0;i<c;i++)scanf("%d",&x[2][i]);scanf("%d",&n);sort(s,s+a*b);printf("Case %d:\n",++f);while(n--){int m;scanf("%d",&m);int p=0,t;for(i=0;i<c;i++){t=m-x[2][i];p=find(s,0,a*b,t);if(p)break;}if(p)printf("YES\n");else printf("NO\n");}}return 0;}
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