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14501.cpp
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47 lines (36 loc) · 723 Bytes
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//
// 14501.cpp
// algo
//
// Created by 박효정 on 2021/09/01.
//
#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;
int dp[17];
int main(){
cin.tie(0);
cout.tie(0);
std::ios::sync_with_stdio(false);
int n;
vector<pair<int, int>>v;
v.push_back({0,0});
cin>>n;
for(int i=1;i<=n;i++){
int t,p;
cin>>t>>p;
v.push_back({t,p});
}
int res=0;
for(int i=n;i>=1;i--){
if(v[i].first+i<=n+1){
dp[i]=max(dp[i+1],dp[i+v[i].first]+v[i].second);
}else{
dp[i]=max(dp[i+1],0);
}
res=max(res,dp[i]);
}
cout<<res<<"\n";
return 0;
}