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楼主 |
发表于 2020-11-29 22:23:25
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可以,我刚刚写了一个判断星期的
{
int D,M,Y,W;
printf("please input the data(DD,MM,YYYY):");
scanf("%d,%d,%d",&D,&M,&Y);
W= (D+2*M+3*(M+1)/5+Y+Y/4-Y/100+Y/400) % 7;//by Kim larsen calculation formula.
if(W==1){printf("it's Monday");}
else if(W==2){printf("it's Tuesday");}
else if(W==3){printf("it's Wednesday");}
else if(W==4){printf("it's Thursday");}
else if(W==5){printf("it's Friday");}
else if(W==6){printf("it's Saturday");}
else if(W==7){printf("it's Sunday");}
else{printf("please input a right data");}
return 0;
} |
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