제출 #1107585

#제출 시각아이디문제언어결과실행 시간메모리
1107585adkjtKnapsack (NOI18_knapsack)C++14
37 / 100
1063 ms504 KiB
#include<bits/stdc++.h> using namespace std; #define f first #define s second vector<pair<long long,long long>> V[2222]; long long dp[2222]; pair<long long,pair<long long,long long>> a[111111];//v,w,k int main() { ios_base::sync_with_stdio(0); cin.tie(0); int s,n; cin>>s>>n; for(int i=1; i<=n; i++) { cin>>a[i].f>>a[i].s.f>>a[i].s.s; if(a[i].s.f>s) continue; V[a[i].s.f].push_back({-a[i].f,a[i].s.s}); } for(int i=1; i<=s; i++) dp[i]=-1; for(int i=1; i<=s; i++) sort(V[i].begin(),V[i].end()); for(int i=1; i<=s; i++) { if (V[i].empty()) continue; int j = 0; for(auto x:V[i])//v,k { re: for (int w = s; w - i >= 0; w--) { dp[w] = max(dp[w], dp[w - i] - x.f); } x.s--; if (x.s == 0) { continue; } else goto re; } } long long ans=0; for(int i=1; i<=s; i++) ans=max(ans,dp[i]); cout<<ans; }

컴파일 시 표준 에러 (stderr) 메시지

knapsack.cpp: In function 'int main()':
knapsack.cpp:26:13: warning: unused variable 'j' [-Wunused-variable]
   26 |         int j = 0;
      |             ^
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