23 lines
387 B
C
23 lines
387 B
C
#include <stdio.h>
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int exchange(int *a, int *b)
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{
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int temp = *a;
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*a = *b;
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*b = temp;
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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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printf("输入第一个数字: ");
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scanf("%d", &a);
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printf("输入第二个数字: ");
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scanf("%d", &b);
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printf("交换前: a = %d, b = %d\n", a, b);
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exchange(&a, &b);
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printf("交换后: a = %d, b = %d\n", a, b);
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return 0;
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} |