19 lines
237 B
C
19 lines
237 B
C
#include <stdio.h>
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#include <assert.h>
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void swap(int* a, int* b){
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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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int a, b, olda, oldb;
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scanf("%i %i", &a, &b);
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olda = a; oldb = b;
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swap(&a, &b);
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assert(a == oldb && b == olda);
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}
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