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yuawn

algo2017_week1_gcd

Oct 3rd, 2017
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C++ 0.26 KB | None | 0 0
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int gcd(int a,int b){
  5.     while((a%=b)&&(b%=a));
  6.     return a+b;
  7. }
  8.  
  9. int main(){
  10.     int a , b , t;
  11.     scanf("%d",&t);
  12.    
  13.     while( t-- ){
  14.         scanf("%d %d", &a , &b);
  15.         printf("%d\n", gcd( a , b ));
  16.     }
  17.     return 0;
  18. }
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