提交记录 #96

编译情况：编译成功

code.c: In function ‘main’:
code.c:8:13: warning: unused variable ‘C’ [-Wunused-variable]
    8 |     int B=0,C=0,i=0;
      |             ^

固定测试点#1:

Accepted

0.000s

232 kB

固定测试点#2:

Accepted

0.000s

232 kB

固定测试点#3:

Accepted

0.000s

236 kB

额外测试点#3600:

Accepted

0.000s

496 kB

27【日期】黑色星期五——可以不用数组

#include <stdio.h>
int main()
{
    int y;
    scanf("%d",&y);
    int w;
    int m,d,M,Y;
    int B=0,C=0,i=0;
    int b[10]={0};
    for(m=1;m<=12;m++){
        if(m==1||m==2){
            Y=y;
            Y-=1;
            M=m;
            M+=12;
        }else{
            Y=y;
            M=m;
        }
        for(d=1;d<=13;d++){
            w= (d+2*M+3*(M+1)/5+Y+Y/4-Y/100+Y/400+1)%7;
            if(w==5&&d==13){
                b[B]=m;
                B++;
                i++;
            }
        }
    }if(i==1){
        printf("There is 1 Black Friday in year %d.\nIt is:\n",y);
        printf("%d/%d/13\n",y,b[0]);
    }else{
        printf("There are %d Black Fridays in year %d.\nThey are:\n",i,y);
            for(B=0;B<=2;B++){
                if(b[B]>0){
                    printf ("%d/%d/13\n",y,b[B]);
                }
            }
    }
    return 0;
 }