Cod sursa(job #2778935)
Utilizator | Enal Gemaledin Blaugranas | Data | 2 octombrie 2021 13:28:17 |
---|---|---|---|
Problema | Farfurii | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.63 kb |
#include<fstream>
using namespace std;
ifstream F("farfurii.in");
ofstream G("farfurii.out");
int n,t,p[100001],r,l;
long long k,i;
int main()
{
F>>n>>k;
for(i=1;i<=n&&!r&&!l;++i)
if(i*(i-1)/2==k)
r=i;
else if(i*(i-1)/2<k&&k<i*(i+1)/2)
l=i;
if(r) {
for(i=1;i<=n-r;++i)
p[i]=i;
for(t=n,i=n-r+1;i<=n;++i)
p[i]=t--;
} else {
for(i=1;i<n-l;++i)
p[i]=i;
p[n-l]=n+k-l*(l+1)/2;
for(t=n,i=n-l+1;i<=n;p[i++]=t--)
if(t==p[n-l])
--t;
}
for(i=1;i<=n;++i)
G<<p[i]<<" ";
return 0;
}