更新了许多

小鱼的航程.cpp

@@ -0,0 +1,23 @@
+#include <iostream>
+#include <iomanip>
+#include <cstring>
+#include <cstdio>
+#include <ctime>
+#include <cmath>
+using namespace std;
+int main(){
+	int a,b,sum=0;
+	cin >>a>>b;
+	int c=a;
+	for(int i=a;i<=a+b-1;i++){
+		if(c>=7){
+			c=1;
+		}
+		if(c>=1 && c<=5){
+			sum+=250;
+		}
+		c++;
+	}
+	cout <<sum;
+	return 0;
+}