oj.uz

Submission #435779

# Submission time Handle Problem Language Result Execution time Memory
435779 2021-06-23T17:43:49 Z 2qbingxuan Two Dishes (JOI19_dishes) C++17
10 / 100
 10000 ms 26964 KB 
#include <bits/stdc++.h>
#ifdef local
#define safe std::cerr<<__PRETTY_FUNCTION__<<" line "<<__LINE__<<" safe\n"
#define debug(a...) qqbx(#a, a)
template <typename ...T> void qqbx(const char *s, T ...a) {
    int cnt = sizeof...(T);
    ((std::cerr << "(" << s << ") = (") , ... , (std::cerr << a << (--cnt ? ", " : ")\n")));
}
#else
#define debug(...) ((void)0)
#define safe ((void)0)
#endif // local
 
using namespace std;
const int maxn = 1000025;
template <typename T> using min_heap = priority_queue<T, vector<T>, greater<T>>;
 
struct Item {
    int t;
    int64_t ed;
    int val;
} v[maxn], u[maxn];
int64_t sumv[maxn], sumu[maxn];
int posv[maxn], posu[maxn];
int64_t dp[maxn], dif[maxn], lim[maxn];
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        cin >> v[i].t >> v[i].ed >> v[i].val;
    for (int i = 1; i <= m; i++)
        cin >> u[i].t >> u[i].ed >> u[i].val;
    /*
    // int T = time(0);
    // debug(T);
    // srand(T);
    srand(230);
    for (int i = 1; i <= n; i++)
        v[i].t = rand() % 10000, v[i].ed = rand() % (10000 * i), v[i].val = rand() % 100 - 50;
    for (int i = 1; i <= m; i++)
        u[i].t = rand() % 10000, u[i].ed = rand() % (10000 * i), u[i].val = rand() % 100 - 50;
    */
 
    for (int i = 1; i <= n; i++)
        sumv[i] = sumv[i-1] + v[i].t;
    for (int i = 1; i <= m; i++)
        sumu[i] = sumu[i-1] + u[i].t;
 
    for (int i = 1; i <= n; i++)
        posv[i] = upper_bound(sumu, sumu+m+1, v[i].ed - sumv[i]) - sumu - 1;
    for (int i = 1; i <= m; i++)
        posu[i] = upper_bound(sumv, sumv+n+1, u[i].ed - sumu[i]) - sumv - 1;
 
    for (int j = 1; j <= m; j++) dp[j] = dp[j-1] + (posu[j] >= 0 ? u[j].val : 0);
    for (int j = 1; j <= m; j++) lim[j] = dif[j] = (posu[j] >= 0 ? u[j].val : 0);
 
    /*
    cerr << "posu:\t";
    cerr << 0 << ' ';
    for (int i = 1; i <= m; i++) cerr << posu[i] << ' ';
    cerr << '\n';
    cerr << "u.val:\t";
    cerr << 0 << ' ';
    for (int i = 1; i <= m; i++) cerr << u[i].val << ' ';
    cerr << '\n';
    */
 
    set<int> st;
    min_heap<pair<int,int>> pq;
    for (int j = 1; j <= m; j++) if (posu[j] >= 0) pq.emplace(posu[j], -j);
    for (int j = 1; j <= m; j++)
        debug(j, posu[j], u[j].val);
 
    function<void(int,int,int64_t)> update = [&](int i, int j, int64_t val) {
        if (j == m+1) return;
        dif[j] -= val;
        debug(i, j, val);
        if (dif[j] <= lim[j]) {
            int64_t c = lim[j] - dif[j];
            dif[j] = lim[j];
            st.erase(j);
            auto it = st.lower_bound(j);
            if (it != st.end() && c)
                update(i, *it, c);
        } else {
            st.insert(j);
        }
        // int64_t c = max<int64_t>(0, (j != 0 && i <= posu[j] ? u[j].val : 0) - dif[j]);
    };
    for (int i = 1; i <= n; i++) {
        while (!pq.empty() && i > pq.top().first) {
            int j = -pq.top().second;
            pq.pop();
            lim[j] = 0;
            if (dif[j] > lim[j]) {
                st.insert(j);
            } else {
                debug(dif[j], lim[j]);
                update(i, j, 0);
                debug(dif[j], lim[j]);
            }
        }
 
        if (posv[i] >= 0)
            dif[0] += v[i].val, update(i, posv[i]+1, v[i].val);
 
 
        for (int j = 0; j <= posv[i]; j++) dp[j] += v[i].val;
        for (int j = 1; j <= m; j++) dp[j] = max(dp[j], dp[j-1] + (i <= posu[j] ? u[j].val : 0));
 
        /*
        cerr << posv[i] << ';' << v[i].val << ";\n";
        for (int j = 0; j <= m; j++) cerr << (dp[j] - (j ? dp[j-1] : 0)) << ' ';
        cerr << '\n';
        for (int j = 0; j <= m; j++) cerr << dif[j] << ' ';
        cerr << '\n';
        for (int j = 0; j <= m; j++) cerr << lim[j] << ' ';
        cerr << '\n';
        for (int j = 0; j <= m; j++)
            cerr << (i<=posu[j]?u[j].val:0)<<' ';
        cerr<<'\n';
        for (int j = 0; j <= m; j++) assert (dif[j] == dp[j] - (j ? dp[j-1] : 0));
        */
    }
    debug(dp[m]);
    int64_t sum = 0;
    for (int i = 0; i <= m; i++) sum += dif[i];
    cout << sum << '\n';
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10072 ms 26964 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 332 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 19 ms 588 KB Output is correct
18 Correct 20 ms 716 KB Output is correct
19 Correct 24 ms 588 KB Output is correct
20 Correct 18 ms 588 KB Output is correct
21 Correct 21 ms 708 KB Output is correct
22 Correct 20 ms 636 KB Output is correct
23 Correct 20 ms 588 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 19 ms 588 KB Output is correct
18 Correct 20 ms 716 KB Output is correct
19 Correct 24 ms 588 KB Output is correct
20 Correct 18 ms 588 KB Output is correct
21 Correct 21 ms 708 KB Output is correct
22 Correct 20 ms 636 KB Output is correct
23 Correct 20 ms 588 KB Output is correct
24 Execution timed out 10091 ms 25956 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 19 ms 588 KB Output is correct
18 Correct 20 ms 716 KB Output is correct
19 Correct 24 ms 588 KB Output is correct
20 Correct 18 ms 588 KB Output is correct
21 Correct 21 ms 708 KB Output is correct
22 Correct 20 ms 636 KB Output is correct
23 Correct 20 ms 588 KB Output is correct
24 Execution timed out 10091 ms 25956 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 320 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 320 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 19 ms 588 KB Output is correct
18 Correct 20 ms 716 KB Output is correct
19 Correct 24 ms 588 KB Output is correct
20 Correct 18 ms 588 KB Output is correct
21 Correct 21 ms 708 KB Output is correct
22 Correct 20 ms 636 KB Output is correct
23 Correct 20 ms 588 KB Output is correct
24 Execution timed out 10091 ms 25956 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10072 ms 26964 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 10072 ms 26964 KB Time limit exceeded
2 Halted 0 ms 0 KB -