oj.uz

답안 #435780

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
435780 2021-06-23T17:44:39 Z 2qbingxuan Two Dishes (JOI19_dishes) C++17
74 / 100
 2751 ms 258976 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
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 305 ms 28796 KB Output is correct
2 Correct 277 ms 26728 KB Output is correct
3 Correct 213 ms 27072 KB Output is correct
4 Correct 272 ms 31336 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 313 ms 26112 KB Output is correct
7 Correct 112 ms 20024 KB Output is correct
8 Correct 101 ms 13108 KB Output is correct
9 Correct 219 ms 27016 KB Output is correct
10 Correct 224 ms 27116 KB Output is correct
11 Correct 177 ms 27072 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 1 ms 332 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 332 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 1 ms 332 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 332 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 3 ms 588 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 4 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 3 ms 588 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 1 ms 332 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 332 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 3 ms 588 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 4 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 3 ms 588 KB Output is correct
24 Correct 211 ms 20260 KB Output is correct
25 Correct 259 ms 35732 KB Output is correct
26 Correct 192 ms 25980 KB Output is correct
27 Correct 288 ms 35752 KB Output is correct
28 Correct 228 ms 27044 KB Output is correct
29 Correct 189 ms 26944 KB Output is correct
30 Correct 362 ms 27064 KB Output is correct
31 Correct 127 ms 22860 KB Output is correct
32 Correct 114 ms 11876 KB Output is correct
33 Correct 266 ms 25900 KB Output is correct
34 Correct 352 ms 29708 KB Output is correct
35 Correct 330 ms 24768 KB Output is correct
36 Correct 317 ms 25024 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 1 ms 332 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 332 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 3 ms 588 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 4 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 3 ms 588 KB Output is correct
24 Correct 211 ms 20260 KB Output is correct
25 Correct 259 ms 35732 KB Output is correct
26 Correct 192 ms 25980 KB Output is correct
27 Correct 288 ms 35752 KB Output is correct
28 Correct 228 ms 27044 KB Output is correct
29 Correct 189 ms 26944 KB Output is correct
30 Correct 362 ms 27064 KB Output is correct
31 Correct 127 ms 22860 KB Output is correct
32 Correct 114 ms 11876 KB Output is correct
33 Correct 266 ms 25900 KB Output is correct
34 Correct 352 ms 29708 KB Output is correct
35 Correct 330 ms 24768 KB Output is correct
36 Correct 317 ms 25024 KB Output is correct
37 Correct 267 ms 25968 KB Output is correct
38 Correct 285 ms 35896 KB Output is correct
39 Correct 348 ms 57660 KB Output is correct
40 Correct 239 ms 26948 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 422 ms 26956 KB Output is correct
43 Correct 308 ms 25796 KB Output is correct
44 Correct 372 ms 29616 KB Output is correct
45 Correct 365 ms 27172 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 388 KB Output is correct
3 Correct 1 ms 332 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 332 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 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 3 ms 588 KB Output is correct
19 Correct 3 ms 588 KB Output is correct
20 Correct 3 ms 460 KB Output is correct
21 Correct 4 ms 588 KB Output is correct
22 Correct 3 ms 588 KB Output is correct
23 Correct 3 ms 588 KB Output is correct
24 Correct 211 ms 20260 KB Output is correct
25 Correct 259 ms 35732 KB Output is correct
26 Correct 192 ms 25980 KB Output is correct
27 Correct 288 ms 35752 KB Output is correct
28 Correct 228 ms 27044 KB Output is correct
29 Correct 189 ms 26944 KB Output is correct
30 Correct 362 ms 27064 KB Output is correct
31 Correct 127 ms 22860 KB Output is correct
32 Correct 114 ms 11876 KB Output is correct
33 Correct 266 ms 25900 KB Output is correct
34 Correct 352 ms 29708 KB Output is correct
35 Correct 330 ms 24768 KB Output is correct
36 Correct 317 ms 25024 KB Output is correct
37 Correct 267 ms 25968 KB Output is correct
38 Correct 285 ms 35896 KB Output is correct
39 Correct 348 ms 57660 KB Output is correct
40 Correct 239 ms 26948 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 422 ms 26956 KB Output is correct
43 Correct 308 ms 25796 KB Output is correct
44 Correct 372 ms 29616 KB Output is correct
45 Correct 365 ms 27172 KB Output is correct
46 Correct 1131 ms 99564 KB Output is correct
47 Correct 1561 ms 150304 KB Output is correct
48 Correct 1884 ms 258976 KB Output is correct
49 Correct 1166 ms 103248 KB Output is correct
50 Correct 2751 ms 103560 KB Output is correct
51 Correct 1862 ms 97100 KB Output is correct
52 Correct 2394 ms 114740 KB Output is correct
53 Correct 2437 ms 103096 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 305 ms 28796 KB Output is correct
2 Correct 277 ms 26728 KB Output is correct
3 Correct 213 ms 27072 KB Output is correct
4 Correct 272 ms 31336 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 313 ms 26112 KB Output is correct
7 Correct 112 ms 20024 KB Output is correct
8 Correct 101 ms 13108 KB Output is correct
9 Correct 219 ms 27016 KB Output is correct
10 Correct 224 ms 27116 KB Output is correct
11 Correct 177 ms 27072 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 388 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 460 KB Output is correct
29 Correct 3 ms 588 KB Output is correct
30 Correct 3 ms 588 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 4 ms 588 KB Output is correct
33 Correct 3 ms 588 KB Output is correct
34 Correct 3 ms 588 KB Output is correct
35 Correct 211 ms 20260 KB Output is correct
36 Correct 259 ms 35732 KB Output is correct
37 Correct 192 ms 25980 KB Output is correct
38 Correct 288 ms 35752 KB Output is correct
39 Correct 228 ms 27044 KB Output is correct
40 Correct 189 ms 26944 KB Output is correct
41 Correct 362 ms 27064 KB Output is correct
42 Correct 127 ms 22860 KB Output is correct
43 Correct 114 ms 11876 KB Output is correct
44 Correct 266 ms 25900 KB Output is correct
45 Correct 352 ms 29708 KB Output is correct
46 Correct 330 ms 24768 KB Output is correct
47 Correct 317 ms 25024 KB Output is correct
48 Correct 267 ms 25968 KB Output is correct
49 Correct 285 ms 35896 KB Output is correct
50 Correct 348 ms 57660 KB Output is correct
51 Correct 239 ms 26948 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 422 ms 26956 KB Output is correct
54 Correct 308 ms 25796 KB Output is correct
55 Correct 372 ms 29616 KB Output is correct
56 Correct 365 ms 27172 KB Output is correct
57 Correct 295 ms 34744 KB Output is correct
58 Correct 247 ms 30084 KB Output is correct
59 Incorrect 235 ms 33336 KB Output isn't correct
60 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 305 ms 28796 KB Output is correct
2 Correct 277 ms 26728 KB Output is correct
3 Correct 213 ms 27072 KB Output is correct
4 Correct 272 ms 31336 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 313 ms 26112 KB Output is correct
7 Correct 112 ms 20024 KB Output is correct
8 Correct 101 ms 13108 KB Output is correct
9 Correct 219 ms 27016 KB Output is correct
10 Correct 224 ms 27116 KB Output is correct
11 Correct 177 ms 27072 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 388 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 2 ms 460 KB Output is correct
29 Correct 3 ms 588 KB Output is correct
30 Correct 3 ms 588 KB Output is correct
31 Correct 3 ms 460 KB Output is correct
32 Correct 4 ms 588 KB Output is correct
33 Correct 3 ms 588 KB Output is correct
34 Correct 3 ms 588 KB Output is correct
35 Correct 211 ms 20260 KB Output is correct
36 Correct 259 ms 35732 KB Output is correct
37 Correct 192 ms 25980 KB Output is correct
38 Correct 288 ms 35752 KB Output is correct
39 Correct 228 ms 27044 KB Output is correct
40 Correct 189 ms 26944 KB Output is correct
41 Correct 362 ms 27064 KB Output is correct
42 Correct 127 ms 22860 KB Output is correct
43 Correct 114 ms 11876 KB Output is correct
44 Correct 266 ms 25900 KB Output is correct
45 Correct 352 ms 29708 KB Output is correct
46 Correct 330 ms 24768 KB Output is correct
47 Correct 317 ms 25024 KB Output is correct
48 Correct 267 ms 25968 KB Output is correct
49 Correct 285 ms 35896 KB Output is correct
50 Correct 348 ms 57660 KB Output is correct
51 Correct 239 ms 26948 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 422 ms 26956 KB Output is correct
54 Correct 308 ms 25796 KB Output is correct
55 Correct 372 ms 29616 KB Output is correct
56 Correct 365 ms 27172 KB Output is correct
57 Correct 1131 ms 99564 KB Output is correct
58 Correct 1561 ms 150304 KB Output is correct
59 Correct 1884 ms 258976 KB Output is correct
60 Correct 1166 ms 103248 KB Output is correct
61 Correct 2751 ms 103560 KB Output is correct
62 Correct 1862 ms 97100 KB Output is correct
63 Correct 2394 ms 114740 KB Output is correct
64 Correct 2437 ms 103096 KB Output is correct
65 Correct 295 ms 34744 KB Output is correct
66 Correct 247 ms 30084 KB Output is correct
67 Incorrect 235 ms 33336 KB Output isn't correct
68 Halted 0 ms 0 KB -