This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
#define itn long long
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int l[N],r[N];
int dp[N];
signed main(){
int n;
cin>>n;
for(int i=1;i<=n;i++){
cin>>l[i]>>r[i];
l[i]=max(i-l[i],1LL);
r[i]=min(i+r[i],n);
}
int ans=0;
for(int i=1;i<=n;i++){
for(int j=0;j<l[i];j++){
dp[r[i]]=max(dp[r[i]],dp[j]+1);
ans=max(ans,dp[r[i]]);
}
}
cout<<ans;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |