제출 #1126892

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1126892		wood	Cloud Computing (CEOI18_clo)	C++20	0 / 100	8 ms	8264 KiB

clo

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<int,int> p32;
typedef pair<ll,ll> p64;
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define vi vector<int>
#define vp32 vector<p32>
#define fast_cin() ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define MOD %1000000007
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template <class T>
using Tree =
    tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//never guess
//never debug without reviewing code
//never try adding ones or substracting them
//only step by step debug when necessay



void solve(){
    int n; cin>>n;
    vector<tuple<int,int,int>> trans;
    for (int i = 0; i < n; ++i) {
        int c,f,v; cin>>c>>f>>v;
        trans.emplace_back(f,c,-v);
    }
    cin>>n;
    for (int i = 0; i < n; ++i) {
        int c,f,v; cin>>c>>f>>v;
        trans.emplace_back(f,-c,v);
    }
    sort(trans.begin(),trans.end(),greater<>());
    n = trans.size();
    int N = 1e6;
    ll dp[N]; fill(dp,dp+N,-1e12);
    dp[0] = 0;
    for(int i = 0; i<n; i++){
        int a,c,v; tie(a,c,v) = trans[i];
        if(c>0)
        for (int j = N-1; j>=0; j--) {
            if(j+c>=0&&j+c<N){
                dp[j+c] = max(dp[j+c],dp[j]+(ll)v);
            }
        }
        else
            for (int j = 0; j<N; j++) {
                if(j+c>=0&&j+c<N){
                    dp[j+c] = max(dp[j+c],dp[j]+(ll)v);
                }
            }
    }
    ll res = 0;
    for(int i = 0; i<N; i++){
        res = max(res,dp[i]);
    }
    cout<<res<<'\n';
}
int main()
{
    fast_cin();
    #ifndef ONLINE_JUDGE
        freopen("input.in", "r", stdin);
    #endif
        int t = 1;
    while(t--){
        solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

clo.cpp: In function 'int main()':
clo.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen("input.in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 18
• Subtask 3: 0 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10