更新了许多

输出星期几.cpp

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+#include <bits/stdc++.h>
+using namespace std;
+int main(){
+	int a;
+	cin >>a;
+	switch(a){
+		case 1:
+			cout <<"Monday";
+			break;
+			case 2:
+				cout <<"Tuesday";
+				break;
+				case 3:
+					cout <<"Wednesday";
+					break;
+					case 4:
+						cout <<"Thursday";
+						break;
+						case 5:
+							cout <<"Friday";
+							break;
+							case 6:
+								cout <<"Saturday";
+								break;
+								case 7:
+									cout <<"Sunday";
+									break;
+									default:
+										cout <<"No";
+									
+	}
+	return 0;
+}