44 lines
715 B
C
44 lines
715 B
C
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// 函数的指针数组
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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void fa(int a, int b)
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{
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printf("%d + %d = %d\n", a, b, a + b);
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}
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void fb(int a, int b)
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{
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printf("%d - %d = %d\n", a, b, a - b);
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}
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void fc(int a, int b)
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{
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printf("%d * %d = %d\n", a, b, a * b);
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}
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void fd(int a, int b)
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{
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printf("%d %% %d = %d\n", a, b, a % b);
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}
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int main()
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{
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// 创建一个函数指针数组
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// 函数声明: int func(int, int);
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void (*funcs[4])(int, int) = {fa, fb};
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funcs[2] = fc;
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funcs[3] = fd;
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srand(time(NULL));
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for (int i = 0; i < 4; i++)
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{
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int x, y;
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x = rand() % 100;
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y = rand() % 100;
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funcs[i](x, y);
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}
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return 0;
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}
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