HDU 1562 Guess the number
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Guess the number
Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3823 Accepted Submission(s): 2859
Problem Description
Happy new year to everybody!
Now, I want you to guess a minimum number x betwwn 1000 and 9999 to let
(1) x % a = 0;
(2) (x+1) % b = 0;
(3) (x+2) % c = 0;
and a, b, c are integers between 1 and 100.
Given a,b,c, tell me what is the number of x ?
Now, I want you to guess a minimum number x betwwn 1000 and 9999 to let
(1) x % a = 0;
(2) (x+1) % b = 0;
(3) (x+2) % c = 0;
and a, b, c are integers between 1 and 100.
Given a,b,c, tell me what is the number of x ?
Input
The number of test cases c is in the first line of input, then c test cases followed.every test contains three integers a, b, c.
Output
For each test case your program should output one line with the minimal number x, you should remember that x is between 1000 and 9999. If there is no answer for x, output "Impossible".
Sample Input
244 38 4925 56 3
Sample Output
Impossible2575
Author
8600
Source
Happy 2007
#include<iostream>#include<cstdio>#include<cmath>#include<cstring>#include<string>#include<queue>#include<stack>#include<algorithm>using namespace std;#define rep(i,j,k)for(i=j;i<k;i++)#define per(i,j,k)for(i=j;i>k;i--)#define MS1(x,y) memset(x,y,sizeof(x))typedef long long LL;typedef __int64 L;const int INF=0x7FFFFFFF;const int low(int x){return x&-x;}int main(){ int t,a,b,c,i; cin>>t; while(t--) { cin>>a>>b>>c; rep(i,1000,9999+1) if(i%a==0&&(i+1)%b==0&&(i+2)%c==0) {cout<<i<<endl;break;} if(i>=10000)cout<<"Impossible"<<endl; } return 0;}
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