Cod sursa(job #2021469)
Utilizator | Stefan Dascalescu stefdascalescu | Data | 13 septembrie 2017 19:04:09 |
---|---|---|---|
Problema | Nivele | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.51 kb |
#include<bits/stdc++.h>
using namespace std;
ifstream f("nivele.in");
ofstream g("nivele.out");
int t;
int n,v[50002];
int main()
{
f>>t;
for(;t;--t)
{
f>>n;
for(int i=1;i<=n;++i)
f>>v[i];
bool ok=1;
for(int i=1;i<n;++i)
if(v[i]==v[i+1]);
else
if(v[i+1]!=v[i+2])
ok=0;
if(ok==1)
g<<"DA"<<'\n';
else
g<<"NU"<<'\n';
}
return 0;
}