delete pics to save space

1.3353.cpp

@@ -0,0 +1,20 @@
+// luogu-judger-enable-o2
+#include<cstdio>
+#include<algorithm>
+using namespace std;
+int n,m,w,x,y,ans,a[100010],s[100010];
+int main()
+{
+    scanf("%d%d",&n,&w);
+    for(int i=1;i<=n;i++)
+    {
+        scanf("%d%d",&x,&y);
+        a[x]=a[x]+y;
+        m=max(m,x);
+    }
+    for(int i=1;i<=m;i++) s[i]=s[i-1]+a[i];
+    for(int i=1;i<=m-w+1;i++)
+        ans=max(ans,s[i+w-1]-s[i-1]);
+    printf("%d",ans);
+    return 0;
+}