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## Discussion of Problem 1880. Psych Up's Eigenvalues

Why WA on test 10?
Posted by Николай 24 Sep 2013 17:47
#include<iostream>
#include<math.h>
using namespace std;

int main()
{int t=0;
int a,b,c;
int d=0;
long A[4001];
long B[4001];
long C[4001];
long D[4001]={0};
cin >> a;
if(a <1 || a > 4000)
exit(0);
for(int i=0;i<a;i++)
{
cin >> A[i];
if(A[i] < 0 || A[i] >1000000000)
exit(0);
}
cin >> b;
if(b < 1 || b > 4000)
exit(0);
for(int i=0;i<b;i++)
{
cin >> B[i];
if(A[i] < 0 || B[i] >1000000000)
exit(0);
}
cin >> c;
if(c < 1 || c > 4000)
exit(0);
for(int i=0;i<c;i++)
{
cin >> C[i];
if(A[i] < 0 || C[i] >1000000000)
exit(0);
}
for(int i=0;i<a;i++)
for(int j=0;j<b;j++)
if(A[i] == B[j])
{
D[i]=A[i];
B[j]=0;
t++;
break;
}
for(int i=0;i<t;i++)
for(int j=0;j<c;j++)
if(D[i] == C[j])
{
d++;
C[j]=0;
break;
}
cout << d;
system("pause");
return 0;
}