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

What is the test 2?
Posted by Anam 13 Feb 2014 17:05

#include<iostream>
using std::cout;
using std::cin;
using std:: endl;
int main(){
int res = 0;
int n1, n2, n3;
cin >> n1;
unsigned *arr1 = new unsigned[n1];

unsigned temp[100];
for(int i = 0; i < n1; ++i){
cin >> arr1[i];
}
cin >> n2;
unsigned *arr2 = new unsigned[n2];
for(int i = 0; i < n2; ++i){
cin >> arr2[i];
}
cin >> n3;
unsigned *arr3 = new unsigned[n3];
for(int i = 0; i < n3; ++i){
cin >> arr3[i];
}
int sum = 0;
for(int i = 0; i < n1; i++){
for(int j = 0; j < n2; ++j){
if(arr2[j] == arr1[i])
temp[i]= arr2[j];
sum++;
}
}
int sum1 = 0;
for(int i = 0; i < sum; i++){
for(int j = 0; j < n3; ++j){
if(arr3[j] == temp[i])
sum1++;
}
}
cout << sum1 << endl;
delete[]arr1;
delete[]arr2;
delete[]arr3;
system("PAUSE");
return 0;
}