星期几？

Time Limit: 1000/1000MS (C++/Others) Memory Limit: 65536/65536KB (C++/Others) Total Submissions: 276 Accepted Submissions: 104 Problem Description 今天是2007年11月17日，星期六。现在如果我告诉你一个日期，你能告诉它是星期几吗？

Input 输入有多组测试数据，每个测试数据占一行。每行有3个整数，分别表示：年(0 < year < 10000), 月(0 int y,m,d; int a[13]{0,31,28,31,30,31,30,31,31,30,31,30,31}; char s[7][10] = {"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"}; while(~scanf("%d %d %d",&y,&m,&d)) { if(m==0||d==0) { printf("illegal\n"); continue; } sumDay = 365*(y-1); for(int i =1;i sumDay += a[j]; if(j==2){ sumDay += isLeap(y); } } sumDay += (d-1); printf("%s\n",s[sumDay%7]); } return 0; }