抱歉，妳的代碼風格實在是讓我看不下去。這樣的代碼估計過幾天妳自己都看不懂了。函數命名和變量命名壹定要有意義，雖然不壹定簡潔，但可讀性壹定要好，這樣就算錯了調試也方便。我自己寫了壹個類似的程序，妳看看是不是妳想要的。上代碼(這網頁上的排版不會搞，妳復制到自己的編譯環境重新排版下吧)：
#include?"stdafx.h"?//這裏面啥也沒有，就作為壹個預編譯頭#include?<stdio.h>
#include?<stdlib.h>
#include?<Windows.h>
bool?IsLeapYear(UINT?uYear)
{
return?(0?==?uYear?%?4?&&?0?!=?uYear?%?100)?||?(0?==?uYear?%?400);
}
UINT?GetTotalDayOfMonth(UINT?uYear,?UINT?uMonth)
{
if?(uMonth?>?12?||?uMonth?<?1) { return?0; } UINT?uDays[12]?=?{31,?28,?31,?30,?31,?30,?31,?31,?30,?31,?30,?31}; return?uDays[uMonth?-?1]?+?(IsLeapYear(uYear)?&&?2?==?uMonth1?:?0);}
bool?IsCorrectInput(UINT?uYear,?UINT?uMonth,?UINT?uDay)
{
UINT?uTotalDayOfMonth?=?GetTotalDayOfMonth(uYear,?uMonth); return?(0?!=?uTotalDayOfMonth?&&?uDay?>?0?&&?uDay?<=?uTotalDayOfMonth);}
UINT?GetDaysOfYear(UINT?uYear,?UINT?uMonth,?UINT?uDay)
{
if?(0?==?uMonth?&&?0?==?uDay) { return?IsLeapYear(uYear)366?:?365; } UINT?uResult?=?0; if?(uMonth?>=?2?&&?IsLeapYear(uYear)) { ++uResult; } while?(uMonth?<=?12) { uResult?+=?GetTotalDayOfMonth(uYear,?uMonth); ++uMonth; } uResult?-=?uDay; return?uResult;}
int?main()
{
UINT?uBeginYear?=?0; UINT?uBeginMonth?=?0; UINT?uBeginDay?=?0; do? { printf("請輸入起始年?月?日："); scanf("%u%u%u",?&uBeginYear,?&uBeginMonth,?&uBeginDay); }?while?(!IsCorrectInput(uBeginYear,?uBeginMonth,?uBeginDay)); UINT?uEndYear?=?0; UINT?uEndMonth?=?0; UINT?uEndDay?=?0; do? { printf("請輸入終止年?月?日："); scanf("%u%u%u",?&uEndYear,?&uEndMonth,?&uEndDay); }?while?(!IsCorrectInput(uEndYear,?uEndMonth,?uEndDay)); LONG?lResult?=?0; UINT?uSmallYear?=?min(uBeginYear,?uEndYear); UINT?uBigYear?=?max(uBeginYear,?uEndYear); while?(uSmallYear?!=?uBigYear) { lResult?+=?(GetDaysOfYear(uSmallYear,?0,?0)); ++uSmallYear; } if?(uBeginYear?>?uEndYear) { lResult?*=?-1; } lResult?+=?(GetDaysOfYear(uBigYear,?uBeginMonth,?uBeginDay)?-?GetDaysOfYear(uBigYear,?uEndMonth,?uEndDay)); printf("相差天數為：%d",?lResult); system("pause"); return?0;}