这道题不怎么难，但要考虑周全
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #include <stdio.h> #define SIZE 100 int abs(int n) { return (n>=0) ? n : -n; } int main(int argc, char *argv[]) { int n; int a[SIZE+1]; int i; char sign; scanf("%d", &n); for (i=0; i<=n; i++) { scanf("%d", &a[i]); } for (i=0; i<=n; i++) { if (a[i]==0) continue; sign = (a[i]>0) ? '+' : '-'; if (i) putchar(sign); if (i==0 && a[0]<0) putchar('-'); if (i==n) { printf("%d", abs(a[n])); continue; } if (a[i]!=1 && a[i]!=-1) printf("%d", abs(a[i])); putchar('x'); if (i!=n-1) printf("^%d", n-i); } return 0; } |
