計算某天是一年中的第幾天 很經典
阿新 • • 發佈:2019-02-12
很經典的題目:
當給你某個日期,讓你計算該日期在該年中時第幾天。
這裡可以巧用switch語句。
程式如下:
int t_nMon; int t_nDay; cout << "輸入月:"; cin >> t_nMon; cout << "輸入天:"; cin >> t_nDay; int s_ndays = 0; switch(t_nMon-1) { case 12:s_ndays += 31; case 11:s_ndays += 30; case 10:s_ndays += 31; case 9:s_ndays += 30; case 8:s_ndays += 31; case 7:s_ndays += 31; case 6:s_ndays += 30; case 5:s_ndays += 31; case 4:s_ndays += 30; case 3:s_ndays += 31; case 2:s_ndays += 28; case 1:s_ndays += 31; } s_ndays = s_ndays + t_nDay; cout << s_ndays <<endl;