제출 #540282

#제출 시각아이디문제언어결과실행 시간메모리
540282UncoolAnonCloud Computing (CEOI18_clo)C++17
0 / 100
1 ms596 KiB
#include <bits/stdc++.h> #define int long long #define pb push_back #define sz(a) ((int)a.size()) using namespace std; const int N=51000,bal=20,inf=(1LL<<60); signed main(){ #ifndef ONLINE_JUDGE freopen("in.txt","r",stdin); freopen("out.txt","w",stdout); #endif int n; cin>>n; vector<int> c,f,v; vector<int> index; for(int i=0;i<n;i++){ int ci,fi,vi; cin>>ci>>fi>>vi; c.pb(ci); f.pb(fi); v.pb(vi*-1); index.push_back(i); } int m; cin>>m; for(int i=0;i<m;i++){ int ci,fi,vi; cin>>ci>>fi>>vi; index.push_back(sz(c)); c.pb(ci*-1);f.pb(fi); v.pb(vi); } sort(index.begin(),index.end(),[&](int a,int b){if(f[a]==f[b]) return c[a]>c[b]; return f[a]>f[b]; }); vector<int> dp(N,-inf); dp[0]=0; int answer=0; for(int i:index){ vector<int> ndp=dp; for(int value=0;value<N;value++) if(value-c[i]<N&&value-c[i]>=0) ndp[value]=max(dp[value-c[i]]+v[i],ndp[value]); dp=ndp; for(int value=0;value<N;value++) answer=max(answer,dp[value]); } cout<<answer; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

clo.cpp: In function 'int main()':
clo.cpp:10:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |   freopen("in.txt","r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~
clo.cpp:11:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   freopen("out.txt","w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
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