| # | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 649259 | vladutpiele | Regions (IOI09_regions) | C++17 | 1882 ms | 33204 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int nmax = 200000;
const int block = 1000;
int n, r, q;
int region[nmax + 5], cntRegion[nmax + 5];
int bigRegion[nmax + 5], cntBigRegion, bigIdx[nmax + 5];
int smallRegion[nmax + 5], cntSmallRegion, smallIdx[nmax + 5];
int cntAbove[nmax + 5], sol[205][25005], sumePartiale[nmax + 5];
int precalc[205][25005];
int cntTimp;
pair<int, int> timp[nmax + 5];
vector<int> nodesFromRegion[nmax + 5];
vector<int> g[nmax + 5];
void dfs(int fiu, int tata)
{
timp[fiu].first = ++cntTimp;
/// cntAbove[i] -> numarul de noduri de regiunea i(care este o regiune de tip BIG), care sunt stramosi ai nodului curent
if(bigIdx[region[fiu]] != 0)
{
cntAbove[bigIdx[region[fiu]]] ++;
}
for(int i = 1; i <= cntBigRegion; i ++)
{
sol[bigIdx[bigRegion[i]]][region[fiu]] += cntAbove[bigIdx[region[fiu]]];
}
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