判断两个日期相差多少天

来源：互联网发布：sql两表关联查询编辑：程序博客网时间：2024/05/08 10:28

#include <iostream>using namespace std;#define ISYEAR(x) x%100!=0 && x%4==0 || x%400==0?1:0int dayOfMonth[13][2]={    0,0,    31,31,    28,29,    31,31,    30,30,    31,31,    30,30,    31,31,    31,31,    30,30,    31,31,    30,30,    31,31};struct Date{    int Day;    int Month;    int Year;    void nextDay(){        Day++;        if(Day>dayOfMonth[Month][ISYEAR(Year)]){            Day=1;            Month++;            if(Month>12){                Month=1;                Year++;            }        }    }};int buf[5001][13][32];int Abs(int x){    return x>0?x:-x;}int main(){    Date tmp;    int cnt=0;    tmp.Day=1;    tmp.Month=1;    tmp.Year=0;    while (tmp.Year!=5001) {        buf[tmp.Year][tmp.Month][tmp.Day]=cnt;        tmp.nextDay();        cnt++;    }    int d1,m1,y1;    int d2,m2,y2;    while (scanf("%4d%2d%2d",&y1,&m1,&d1)!=EOF) {        scanf("%4d%2d%2d",&y2,&m2,&d2);        cout<<Abs(buf[y2][m2][d2]-buf[y1][m1][d1]+1)<<endl;    }    return 0;}

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