Problem Details

#	When	Author	Problem	Language	CPU	Memory
20603	2024-05-21 23:57:36	iupc41	Sum Game II	C++ 17	1 ms	3388 kb	Wrong Answer - 4

#	CPU	Memory	Points
1	1 ms	3324 kb	1	Accepted

2	1 ms	3328 kb	1	Accepted

3	1 ms	3312 kb	1	Accepted

4	1 ms	3388 kb	0	Wrong Answer

5	0 ms	0 kb	0	Skipped
6	0 ms	0 kb	0	Skipped
7	0 ms	0 kb	0	Skipped

Code: (Toggle Highlighting) (Copy Source Code)

#include <iostream>
using namespace std;
int main() {
    
   int t;
   cin>>t;
   
   while(t--)
   {
       int n;
       cin>>n;
     
      int sum=n*(n-1)/2;
      
      cout<<sum<<"\n";
      
   }

    return 0;
}

#include <iostream>
using namespace std;
int main() {
 
   int t;
   cin>>t;
 
   while(t--)
   {
       int n;
       cin>>n;
 
      int sum=n*(n-1)/2;
 
      cout<<sum<<"\n";
 
   }
 
    return 0;
}