delete pics to save space

2023-08-03 09:22:52 +08:00
commit de60cd6ed4
1334 changed files with 66221 additions and 0 deletions
--- a/2.1393.cpp
+++ b/2.1393.cpp
@ -0,0 +1,32 @@
+#include<cstdio>
+#include<algorithm>
+using namespace std;
+int gcd[305][305];
+int GCD(int a,int b)
+{
+	return b==0?a:GCD(b,a%b);
+}
+int n,m;
+int a,b,c,res;
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	for(int i=0;i<=300;i++)
+		for(int j=0;j<=300;j++)
+			gcd[i][j]=GCD(i,j);
+	while(scanf("%d%d",&n,&m)==2&&n&&m)
+	{
+		res=0;
+		for(a=1;a<=m;a++)
+			for(b=1;b<=n;b++)
+				if(gcd[a][b]==1)
+				{
+					c=max(0,m-2*a)*max(0,n-2*b);
+					res+=(m-a)*(n-b)-c;
+				}
+		printf("%d\n",res*2);
+	}
+	return 0;
+}