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Discussion of Problem 1880. Psych Up's Eigenvalues

What is the test 32
Posted by Berol 31 Jul 2014 13:56

#include <iostream>
#include <math.h>
using namespace std;

int main()
{
int a,b,c,i,j,x=0, f=0, count=0;

cin>>a;  long long int mass[a];
for(i=0;i<a;i++) cin>>mass[i];
cin>>b; long long int mass1[b];
for(i=0;i<b;i++) cin>>mass1[i];
cin>>c; long long int mass2[c];
for(i=0;i<c;i++) cin>>mass2[i];

int y = min(min(a,b), min(b,c));

long long int mass3[y];
for(int u=0; u<y; u++) mass3[u]=-1;

long long int mass4[y];
for(int u=0; u<y; u++) mass4[u]=-1;

for(i=0;i<a;i++)
{
for(j=0;j<b;j++)
{
if(mass[i]==mass1[j])
{
mass3[x]=mass[i];
x++;
}
}
}

for(i=0;i<c;i++)
{
for(j=0;j<c;j++)
{
if(mass1[i]==mass2[j])
{
mass4[f]=mass1[i];
f++;
}
}
}

for(i=0;i<y;i++)
{
for(j=0;j<y;j++)
{
if(mass3[i]==mass4[j]&& mass3[i]!=-1 &&mass4[j]!=-1)
count++;
}
}

cout<<count;
return 0;

}