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  1. #include <iostream>
  2. #include <cstdio>
  3. #include <limits>
  4. #include <cmath>
  5.  
  6. using namespace std;
  7.  
  8. long long upper_limit = pow(10, 18);
  9.  
  10. int main()
  11. {
  12.     int t;
  13.     unsigned int a;
  14.     long long b;
  15.  
  16.     numeric_limits<long long>::max();
  17.  
  18.     scanf("%d",&t);
  19.  
  20.     for(int i=1; i<=t; i++)
  21.     {
  22.         scanf("%d %lld",&a,&b);
  23.         if(1<=a && b<=upper_limit)
  24.             printf("Case %d: %lld\n",i,a*b);
  25.     }
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
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1
8 10000000000000000
stdout
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Case 1: 80000000000000000
https://ideone.com/qtCcCS
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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