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() != '\n'); 14 while(t--){ 15 int cnt = 0; 16 while((c = getchar()) != '\n'){ 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\n",maxx); 30 } 31 return 0; 32 }