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#include

#include

typedef bool(*_fun_ptr)(int*, int*, int, int);

void fun(int *a, int* b, int size, int x, _fun_ptr do_fun, char* format, ...)

{

va_list args;

va_start(args, format);

for (int i = 0; i < size; ++i)

{

if (do_fun(a, b, i, x))

{

vprintf(format, args);

}

}

va_end(args);

}

#define cmp_name(name) \

cmp_##name

#define _cmp_fun(name, return_type, code) \

return_type cmp_name(name)\

code

#define cmp_fun(name, code) \

_cmp_fun(name , bool, (int* a, int* b, int i, int x) code)

cmp_fun(larger_than_x, {

if (a[i] + a[i + 1] > x) { printf("%d + %d = %d\n", a[i], a[i + 1], b[i]); return 1; }

return 0;

})

cmp_fun(less_than_x, {

if (a[i] + a[i + 1] < x) { printf("%d + %d = %d\n", a[i], a[i + 1], b[i]); return 1; }

return 0;

})

cmp_fun(b1_less_than_b2, {

if (b[i] < b[i + 1]){ printf("%d+%d < %d+%d\n", a[i], a[i + 1], a[i + 1], a[i + 2]); return 1; }

return 0;

})

int main()

{

#define _SIZE (10)

int a[_SIZE], b[_SIZE - 1], x;

for (int i = 0; i < _SIZE; i++)

scanf("%d", &a[i]);

for (int i = 0; i < _SIZE - 1; ++i)

b[i] = a[i] + a[i + 1];

scanf("%d", &x);

fun(a, b, _SIZE - 1, x, cmp_name(larger_than_x), "larger than x\n");

fun(a, b, _SIZE - 1, x, cmp_name(less_than_x), "less than x\n");

fun(a, b, _SIZE - 2, x, cmp_name(b1_less_than_b2), "b1 less than b2\n");

return 0;

}

咯，无聊写了一下。