uri 1437 solution in cpp
by ujjal roy
#include<bits/stdc++.h>
using namespace std;
main()
{
int n,i,c;
string s;
while(1)
{
c=0;
cin>>n;
if(n==0) break;
cin>>s;
for(i=0;i<s.size();i++)
{
if(s[i]=='D') c++;
else c--;
}
if(c>=0)
{
c=c%4;
if(c==0) cout<<"N"<<endl;
else if(c==1) cout<<"L"<<endl;
else if(c==2) cout<<"S"<<endl;
else if(c==3) cout<<"O"<<endl;
}
else
{
c=abs(c);
c=c%4;
if(c==0) cout<<"N"<<endl;
else if(c==1) cout<<"O"<<endl;
else if(c==2) cout<<"S"<<endl;
else if(c==3) cout<<"L"<<endl;
}
}
return 0;
}
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