Submission 4414

Submission

Id	When	Author	Problem	Language	CPU	Memory	Verdict
4414	2022-03-23 16:07:15	M_Hasan	Sum Game II	C++ 17	3 ms	3444 kb	Accepted

Test Cases

	CPU	Memory	Verdict
1	2 ms	3444 kb	Accepted

2	3 ms	3332 kb	Accepted

3	2 ms	3388 kb	Accepted

4	2 ms	3356 kb	Accepted

5	3 ms	3348 kb	Accepted

6	2 ms	3332 kb	Accepted

7	2 ms	3392 kb	Accepted

Source Code

program.cpp

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#include<bits/stdc++.h>
#define ll long long int
#define pb push_back
#define show(x) cout<<#x<<" : "<<x<<endl;
#define vec vector<int>
#define rall(x) x.rbegin(), x.rend()
#define all(x) x.begin(), x.end()
using namespace std;

void Solve(){
    ll n; cin>>n;
    cout<<(n*(n-1))/2<<endl;



}

int main(){
    int t = 1 ;
    cin>>t;
    while(t--)Solve();
}

#include<bits/stdc++.h>
#define ll long long int
#define pb push_back
#define show(x) cout<<#x<<" : "<<x<<endl;
#define vec vector<int>
#define rall(x) x.rbegin(), x.rend()
#define all(x) x.begin(), x.end()
using namespace std;
 
void Solve(){
    ll n; cin>>n;
    cout<<(n*(n-1))/2<<endl;
 
 
 
}
 
int main(){
    int t = 1 ;
    cin>>t;
    while(t--)Solve();
}