骚输入

Maximum GCD UVA - 11827

 1 #include <iostream>
 2 #include <cstring>
 3 #include <cstdio>
 4 using namespace std;
 5 int gcd(int a,int b){
 6     return b ? gcd(b,a%b) : a;
 7 }
 8 int main(){
 9     int t;
10     int a[105];
11     char c;
12     scanf("%d",&t);
13     while(getchar() != '
');
14     while(t--){
15         int cnt = 0;
16         while((c = getchar()) != '
'){
17             if(c >= '0' && c <= '9'){
18                 ungetc(c,stdin);
19                 scanf("%d",&a[cnt++]);
20             }
21         }
22         int maxx = 0;
23         for(int i = 0; i < cnt-1; i++){
24             for(int j = i+1; j < cnt; j++){
25                 int d = gcd(a[i],a[j]);
26                 if(d > maxx) maxx = d;
27             }
28         }
29         printf("%d
",maxx);
30     }
31     return 0;
32 }