每行的\n不要處理。
範例測資很怪,h後面有space,但r跟e後面就沒有……
我寫的AC code有補space。
/* ACM 490 Rotating Sentences * mythnc * 2011/11/14 19:22:42 * run time: 0.008 */ #include <stdio.h> #include <string.h> #define MAXLINE 100 #define MAXCHAR 105 int maxlen(char (*seq)[MAXCHAR], int n); int main(void) { char seq[MAXLINE][MAXCHAR]; int count, i, j; count = 0; while (fgets(seq[count], MAXCHAR, stdin)) count++; for (i = 0; i < maxlen(seq, count); i++, putchar('\n')) for (j = count - 1; j > -1; j--) if (i >= strlen(seq[j]) - 1) putchar(' '); else printf("%c", seq[j][i]); return 0; } /* maxlen: return max string length */ int maxlen(char (*seq)[MAXCHAR], int n) { int i, max; for (i = max = 0; i < n; i++) if (max < strlen(seq[i])) max = strlen(seq[i]); return max - 1; /* we don't need '\n' */ }
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