Submission #53661

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
536612018-06-30 16:07:11svenStar triangles (IZhO11_triangle)C++14
0 / 100
2 ms720 KiB
#include <bits/stdc++.h>
using namespace std;
long long h[100001LL];
long long v[100001LL];
int main()
{
long long nb;
cin>>nb;
long long tab[nb][2LL];
for (long long i=0LL;i<nb;i+=1LL)
{
cin>>tab[i][0LL]>>tab[i][1LL];
h[tab[i][0LL]]+=1LL;
v[tab[i][1LL]]+=1LL;
}
long long total=0LL;
for (long long i=0LL;i<nb;i+=1LL)
{
long long in=((h[tab[i][0LL]]-1LL)*(v[tab[i][1LL]]-1LL));
if (in>0LL)
total+=in;
}
cout<<total;
}
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
#Verdict Execution timeMemoryGrader output
Fetching results...