Pagini recente » Cod sursa (job #3216229) | Cod sursa (job #2570639) | Cod sursa (job #727516) | Cod sursa (job #955231) | Cod sursa (job #2937936)
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("inv.in");
ofstream fout("inv.out");
const int N = 1e5, M = 9917;
int v[N + 1], aux[N + 1];
int interclasare(int v[], int st, int dr) {
int m = (st + dr) / 2, nrInv = 0, i = st, j = m + 1, k = st;
while(i <= m && j <= dr) {
if(v[i] <= v[j])
aux[k++] = v[i++];
else {
nrInv = (nrInv + m - i + 1) % M;
aux[k++] = v[j++];
}
}
while(i <= m)
aux[k++] = v[i++];
while(j <= dr)
aux[k++] = v[j++];
for(int i = st; i <= dr; i++)
v[i] = aux[i];
return nrInv;
}
int ms(int v[], int st, int dr) {
if(st == dr)
return 0;
int m = (st + dr) / 2, nrInv = 0;
nrInv += ms(v, st, m);
nrInv += ms(v, m + 1, dr);
nrInv += interclasare(v, st, dr);
return 0;
}
int main()
{
int n;
fin >> n;
for(int i = 1; i <= n; i++)
fin >> v[i];
ms(v, 1, n);
for(int i = 1; i <= n; i++)
fout << v[i] << ' ';
return 0;
}