看看这段代码能不能符合限制:
#include <stdio.h>
#include <stdlib.h>
#define LENGTH 30
struct LinkedArray{
struct LinkedArray *next, *prev;
int array[LENGTH];
}head;
int main(){
unsigned power, tempPower, maxPower = LENGTH - 1;
int base;
struct LinkedArray *tempArray, *tail = &head;
unsigned i;
while(EOF != scanf("%d %d", &power, &base)){
for(tempPower = power, tempArray = &head; tempPower >= LENGTH; tempPower -= LENGTH, tempArray = tempArray->next){
if(tempArray->next == NULL){
tail = tempArray->next = (struct LinkedArray*)malloc(sizeof(struct LinkedArray));
tail->prev = tempArray; tail->next = NULL;
for(i = 0; i < LENGTH; i++) tail->array[i] = 0;
maxPower += LENGTH;
}
}
tempArray->array[tempPower] += base;
}
for(tempArray = tail; tempArray->prev != NULL; tempArray = tempArray->prev){
i = LENGTH;
do{
if(tempArray->array[--i] != 0) printf("%dx%d+", tempArray->array[i], maxPower);
--maxPower;
}while(i>0);
}
for(i = LENGTH - 1; i > 1; i--){
if(head.array[i] != 0) printf("%dx%d+", head.array[i], maxPower);
--maxPower;
}
if(head.array[1] != 0) printf("%dx+", head.array[1]);
if(head.array[0] != 0) printf("%d", head.array[0]);
else printf("\b \b");
return 0;
}