이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
// In the name of God
// Hope is last to die
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
// #pragma GCC optimize("avx2")
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define pb push_back
#define int long long
#define S second
#define F first
#define mp make_pair
#define smax(xyxy, yxy) (xyxy) = max((xyxy), (yxy))
#define smin(xyxy, yxy) (xyxy) = min((xyxy), (yxy))
#define all(xyxy) (xyxy).begin(), (xyxy).end()
#define len(xyxy) ((int)(xyxy).size())
const int maxn = 1e5 + 5, maxs = 2e3 + 5;
const int inf = 1e9 + 7;
int s, n, dp[maxs];
vector<int> vec[maxs];
int32_t main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> s >> n;
for(int i = 0; i < n; i++){
int v, w, k; cin >> v >> w >> k;
smin(k, s);
for(int i = 1; i <= k && i * w <= s; i++) vec[w].pb(v);
}
for(int i = 1; i <= s; i++){
sort(all(vec[i]));
reverse(all(vec[i]));
while((int)vec[i].size() * i > s) vec[i].pop_back();
for(auto v: vec[i]){
for(int j = s; j >= 1; j--){
if(j - i >= 0) smax(dp[j], v + dp[j - i]);
}
}
}
cout << dp[s] << '\n';
return 0;
}
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