delete pics to save space

history_source/信息学奥赛一本通/2.3.8.cpp

@@ -0,0 +1,23 @@
+#include<cstdio>
+inline int abs(int a){return a<0?-a:a;}
+int k,n,a[10003][150],x,i,j;
+int main()
+{
+	scanf("%d%d%d",&n,&k,&x);
+	x%=k;
+	a[1][x]=1;
+	for(i=2;i<=n;i++)
+	{
+		scanf("%d",&x);
+		x%=k;
+		for(j=0;j<k;j++)
+			if(a[i-1][j])
+			{
+				a[i][abs(j+x)%k]=1;
+				a[i][abs(j-x)%k]=1;
+			}
+	}
+	if(a[n][0]) printf("YES\n");
+	else printf("NO\n");
+	return 0;
+}