Submission #479927

#	Time	Username	Problem	Language	Result	Execution time	Memory
479927		tphuc2908	Cloud Computing (CEOI18_clo)	C++14	36 / 100	1959 ms	1988 KiB

clo

#include<bits/stdc++.h>

using namespace std;
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,fma")
//#pragma GCC optimization ("unroll-loops")
#define rep(i, x, y) for(int i = x; i <= y; ++i)
#define repi(i,x,y) for(int i = x; i >= y; --i)
#define ci(x) int x; cin>> x
#define TC(t) ci(t); while(t--)
#define fi first
#define se second
#define pb push_back
#define all(x) x.begin(), x.end()
#define cii(x, y) ci(x); ci(y)
#define ciii(x, y, z) ci(x); ci(y); ci(z)
#define mp make_pair
#define int long long
typedef long long ll;
typedef vector<int> vi;
const int N = 40 + 5;
const int mod = 1e9 + 7;
const int mod1 = 1e9 + 9;
const int pi = 31, pii = 29, piii = 41;
const int inf = 1e15 + 5;
const int block = 330;
const int dx[4] = {0, 0, 1, -1};
const int dy[4] = {1, -1, 0, 0};

void readfile(){
    #ifdef ONLINE_JUDGE
    #else
        freopen("text.inp", "r", stdin);
    #endif // ONLINE_JUDGE
//    freopen("mooriokart.in", "r", stdin);
//    freopen("mooriokart.out", "w", stdout);
}

int n, m;
struct info{
    int c, f, v;
} a[4005];

void inp(){
    cin >> n;
    rep(i,1,n){
        cin >> a[i].c >> a[i].f >> a[i].v;
        a[i].v *= -1;
    }
    cin >> m;
    rep(i,n+1,n+m){
        cin >> a[i].c >> a[i].f >> a[i].v;
        a[i].c *= -1;
    }
    sort(a + 1, a + n + m + 1, [](const info &x, const info &y){return x.f >= y.f;});
}

vector<ll> dp_before, dp_after;

void process(){
    dp_before.resize(100005, -inf);
    dp_after = dp_before;
    dp_before[0] = 0;
    rep(i,1,n+m){
        rep(j,0,100000){
            dp_after[j] = max(dp_after[j], dp_before[j]);
            if(j + a[i].c >= 0)
                dp_after[j + a[i].c] = max(dp_after[j + a[i].c], dp_before[j] + a[i].v);
        }
        dp_before = dp_after;
        dp_after.assign(100005, -inf);
    }
    cout << *max_element(all(dp_before));
}

 main() {
   // readfile();
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
//    TC(t){
        inp();
        process();
//    }
    return 0;
}

Compilation message (stderr)

clo.cpp:76:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   76 |  main() {
      |  ^~~~
clo.cpp: In function 'void readfile()':
clo.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen("text.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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