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徐洛山禾发表于2020年11月23日

#include <stdio.h>#include <stdlib.h> int leapYear(int year){ return(year%4==0&&year%100!=0||year%400==0)?1:0;} void displayOfMonth(int year,int month,int days){ int i; int sum; int temp; int sumOfDay(int year,int month); sum=sumOfDay(year,month); temp=sum%7; temp++; printf("*********%d\n",temp); printf("日\t一\t二\t三\t四\t五\t六\n"); if(temp==7){ temp=0;  } for(int j=1;j<=temp;printf("\t"),j++); if(temp==7){ printf("\r"); } for(i=1;i<=days;i++){     printf("%d\t",i); if((i+temp)%7==0){ printf("\n"); } } printf("\n");}int daysOfMonth(int year,int month){ int days; switch(month) { case 1: case 3: case 5: case 7: case 8: case 10: case 12:     days=31;     system("color f1"); break; case 4: case 6: case 9: case 11:     days=30;     system("color f2"); break; case 2: days=leapYear(year)?29:28; system("color f3"); } //displayOfMonth(days); return days;} int daysOfMonth(){ int year; int month; int days; scanf("%d-%d",&year,&month); if(month==1||month==3||month==5||month==7||month==8||month==10||month==12){ days=31; }else if(month==4||month==6||month==9||month==11){ days=30; }else if(month==2){ /*if(year%4==0&&year%100!=0||year%400==0){ days=29; }else{ days=28; }*/ days=leapYear(year)?29:28; } //displayOfMonth(days); return days;} int sumOfDay(int year,int month){ int sum=0; int monthofday[12]={31,28,31,30,31,30,31,31,30,31,30,31}; sum=sum+(year-1)*365; sum+=(year-1)/400*97; sum+=(year-1)%400/100*24; sum+=(year-1)%100/4; for(int i=1;i<=month-1;i++){ //sum+=daysOfMonth(year,i); sum+=monthofday[i-1]; } return sum;} int main(int argc,char *argv[]){ printf("输入你需要查询的月份\n"); system("color f5"); int year; int month; int days; scanf("%d-%d",&year,&month); displayOfMonth(year,month,daysOfMonth(year,month)); return 0;}

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