제출 #808815

#제출 시각아이디문제언어결과실행 시간메모리
808815GoldLightKnapsack (NOI18_knapsack)C++17
29 / 100
2 ms240 KiB
#include <bits/stdc++.h> using namespace std; void fast(){ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);} const int N=2e3; long long dp[N+1]; int main(){ fast(); int s, n, v, w, k; cin>>s>>n; for(int i=1; i<=n; i++){ cin>>v>>w>>k; for(int j=s; j>=1; j--){ int ki=1, ka=k, ans=0; while(ki<=ka){ int mid=(ki+ka)/2; if(1ll*w*mid<=1ll*j){ dp[j]=max(dp[j], dp[j-w*mid]+v*mid); ki=mid+1; } else ka=mid-1; } } } cout<<dp[s]; }

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'int main()':
knapsack.cpp:13:29: warning: unused variable 'ans' [-Wunused-variable]
   13 |             int ki=1, ka=k, ans=0;
      |                             ^~~
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