14 lines
182 B
C++
14 lines
182 B
C++
#include<iostream>
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using namespace std;
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int main(){
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int a,b,c;
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cin>>a>>b;
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cout<<a<<" "<<b<<" ";
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c=a;
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a=b;
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b=c;
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cout<<a<<" "<<b<<endl;
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return 0;
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}
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