#include <stdio.h>
void exchange(float* x, float* y); //b
int evaluate(int x, int* (poly)(int a)); // d
int main(void)
{
// 7.5
}
void exchange(float* x, float* y) // a
{
}
int evaluate(int x, int* (poly)(int a)) // c
{
}
I2luY2x1ZGUgPHN0ZGlvLmg+CnZvaWQgZXhjaGFuZ2UoZmxvYXQqIHgsIGZsb2F0KiB5KTsgLy9iCmludCBldmFsdWF0ZShpbnQgeCwgaW50KiAocG9seSkoaW50IGEpKTsgLy8gZAppbnQgbWFpbih2b2lkKQp7IAoJLy8gNy41CgoKCn0Kdm9pZCBleGNoYW5nZShmbG9hdCogeCwgZmxvYXQqIHkpIC8vIGEKewoKfQppbnQgZXZhbHVhdGUoaW50IHgsIGludCogKHBvbHkpKGludCBhKSkgLy8gYyAKewoKfQo=