제출 #1181425

#제출 시각아이디문제언어결과실행 시간메모리
1181425Kavelmydex메기 농장 (IOI22_fish)C++20
9 / 100
15 ms4936 KiB
/*

5 4
0 0 4
1 0 2
2 0 3
4 0 5
*/
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long 
#define vi vector<int>
#define sp ' '

const int N=3e5+10;

void cmx(ll &a,ll b){a=max(a,b);}

ll ans[N][2],wei[N];
ll max_weights(int N, int M, vi X, vi Y,vi W) {
  for(int i=0;i<M;++i){
    wei[X[i]]=W[i];
  }
  for(int i=1;i<N;++i){
    if(i==1){
      ans[i][1]=wei[0];
      ans[i][0]=wei[1];
    }else{
      ans[i][1]=max(wei[i-1]+ans[i-2][0],ans[i-1][0]);
      cmx(ans[i][1],ans[i-1][1]);
      ans[i][0]=max(wei[i]+ans[i-1][1],ans[i-1][0]);
    }
  }
  // for(int i=1;i<N;++i)cout<<ans[i][0]<<sp<<ans[i][1]<<endl;
  return max(ans[N-1][0],ans[N-1][1]); 
}
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