18 lines
185 B
C++
18 lines
185 B
C++
#include<cstdio>
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using namespace std;
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void swap(int &a,int &b)
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{
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int c=a;
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a=b;
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b=c;
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}
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int main()
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{
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int a,b;
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scanf("%d%d",&a,&b);
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swap(a,b);
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printf("%d %d\n",a,b);
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return 0;
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}
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