delete pics to save space

history_source/信息学奥赛一本通/1.6.1.2.cpp

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+#include<cstdio>
+using namespace std;
+int sum(int letter)
+{
+	int ans=letter/70;
+	if(letter%70!=0) ans++;
+	return ans;
+}
+int main()
+{
+	int n;
+	scanf("%d",&n);
+	int add=0,x;
+	for(int i=0;i<n;i++)
+	{
+		scanf("%d",&x);
+		add+=sum(x); 
+	}
+	printf("%.1lf\n",(double)add/10.0);
+	return 0;
+}
+