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#include <stdio.h>int main(void){ int
year1, month1, day1, midDay; int
year2, month2, day2; int
totalDate1; int
totalDate2; printf("请输入两个日期 年 月 日\n"); scanf("%d%d%d", &year1, &month1, &day1); printf("%d,%d,%d\n", year1, month1, day1); printf("\n"); scanf("%d%d%d", &year2, &month2, &day2); printf("%d,%d,%d\n", year2, month2, day2); switch(month1){ case
1:totalDate1=day1;break; case
2:totalDate1=31+day1;break; case
3:totalDate1=59+day1;break; case
4:totalDate1=90+day1;break; case
5:totalDate1=120+day1;break; case
6:totalDate1=151+day1;break; case
7:totalDate1=181+day1;break; case
8:totalDate1=212+day1;break; case
9:totalDate1=243+day1;break; case
10:totalDate1=273+day1;break; case
11:totalDate1=304+day1;break; case
12:totalDate1=334+day1;break; } switch(month2){ case
1:totalDate2=day2;break; case
2:totalDate2=31+day2;break; case
3:totalDate2=59+day2;break; case
4:totalDate2=90+day2;break; case
5:totalDate2=120+day2;break; case
6:totalDate2=151+day2;break; case
7:totalDate2=181+day2;break; case
8:totalDate2=212+day2;break; case
9:totalDate2=243+day2;break; case
10:totalDate2=273+day2;break; case
11:totalDate2=304+day2;break; case
12:totalDate2=334+day2;break; } if(year1%4==0&&year1%100!=0||year1%400==0){ //判断是否是闰年 if(month1>2){ totalDate1++; } } if(year2%4==0&&year2%100!=0||year2%400==0){ if(month2>2){ totalDate2++; } } <span style="color: rgb(255, 102, 0);">if(year1==year2){ midDay=totalDate2-totalDate1; //同一年就用这年的第几天天数互减 } else{ midDay=365-totalDate1+totalDate2+(year2-year1-1)*365;//先每年定为365统计相识的天数 int
i; for(i=year1;i<year2;i++){ if(i%4==0&&i%100!=0||i%400==0){ midDay++; //然后判断是否存在闰年 有了就再加一天 } } } </span> printf("我们相识%d天\n", midDay); } |
原文地址：http://www.cnblogs.com/u635883/p/3761983.html
