oj.uz

Submission #769025

# Submission time Handle Problem Language Result Execution time Memory
769025 2023-06-29T05:19:17 Z nguyentunglam Two Dishes (JOI19_dishes) C++17
10 / 100
 4 ms 908 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 2010;
long long a[N], b[N], s[N], t[N], p[N], q[N];
vector<int> event[N];
int n, m;
long long T[N << 2], lazy[N << 2];
void push(int s, int l, int r) {
    if (lazy[s] == 0) return;
    T[s] += lazy[s];
    if (l != r) {
        lazy[s << 1] += lazy[s];
        lazy[s << 1 | 1] += lazy[s];
    }
    lazy[s] = 0;
}

void up(int s, int l, int r, int from, int to, long long val, bool type) {
    push(s, l, r);
    if (l > to || r < from) return;
    if (from <= l && r <= to) {
        if (type) {
            T[s] = max(T[s], val);
        }
        else {
            lazy[s] += val;
            push(s, l, r);
        }
        return;
    }
    int mid = l + r >> 1;
    up(s << 1, l, mid, from, to, val, type);
    up(s << 1 | 1, mid + 1, r, from, to, val, type);
    T[s] = max(T[s << 1], T[s << 1 | 1]);
}

long long get(int s, int l, int r, int from, int to) {
    push(s, l, r);
    if (l > to || r < from) return -1e18;
    if (from <= l && r <= to) return T[s];
    int mid = l + r >> 1;
    return max(get(s << 1, l, mid, from, to), get(s << 1 | 1, mid + 1, r, from, to));
}


int main() {
    #define task ""
    cin.tie(0) -> sync_with_stdio(0);
    if (fopen ("task.inp", "r")) {
        freopen ("task.inp", "r", stdin);
        freopen ("task.out", "w", stdout);
    }
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    cin >> n >> m;
    for(int i = 1; i <= n; i++) {
        cin >> a[i] >> s[i] >> p[i];
        p[i] = p[i];
        a[i] += a[i - 1];
    }
    for(int i = 1; i <= m; i++) {
        cin >> b[i] >> t[i] >> q[i];
        q[i] = q[i];
        b[i] += b[i - 1];
    }
    for(int i = 1; i <= n; i++) {
        int l = 0, r = m, last = -1;
        while (l <= r) {
            int mid = l + r >> 1;
            if (a[i] + b[mid] <= s[i]) {
                last = mid;
                l = mid + 1;
            }
            else r = mid - 1;
        }
        s[i] = last;
    }
    for(int i = 1; i <= m; i++) {
        int l = 0, r = n, last = -1;
        while (l <= r) {
            int mid = l + r >> 1;
            if (b[i] + a[mid] <= t[i]) {
                last = mid;
                l = mid + 1;
            }
            else r = mid - 1;
        }
        t[i] = last;
        if (last >= 0) {
            event[last].push_back(i);
        }
    }
//    for(int i = 1; i <= n; i++) cout << s[i] << " "; cout << endl;
//    for(int i = 1; i <= m; i++) cout << t[i] << " "; cout << endl;
    for(int i = 1; i <= 4 * (m + 1); i++) T[i] = -1e18;
    up(1, 0, m, 0, 0, 0, 1);

    for(int i = 1; i <= n + 1; i++) {
        for(int &j : event[i - 1]) {
            long long f = get(1, 0, m, 0, j - 1);
            up(1, 0, m, j, j, f, 1);
        }
        long long f = get(1, 0, m, 0, s[i]);
        up(1, 0, m, s[i] + 1, s[i] + 1, f, 1);

        up(1, 0, m, 0, s[i], p[i], 0);
        for(int &j : event[i - 1]) {
            up(1, 0, m, j, m, q[j], 0);
        }
    }
    cout << get(1, 0, m, 1, m);
}

Compilation message

dishes.cpp: In function 'void up(int, int, int, int, int, long long int, bool)':
dishes.cpp:35:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |     int mid = l + r >> 1;
      |               ~~^~~
dishes.cpp: In function 'long long int get(int, int, int, int, int)':
dishes.cpp:45:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   45 |     int mid = l + r >> 1;
      |               ~~^~~
dishes.cpp: In function 'int main()':
dishes.cpp:75:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   75 |             int mid = l + r >> 1;
      |                       ~~^~~
dishes.cpp:87:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   87 |             int mid = l + r >> 1;
      |                       ~~^~~
dishes.cpp:54:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:55:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:58:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:59:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 852 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 3 ms 648 KB Output is correct
21 Correct 3 ms 652 KB Output is correct
22 Correct 3 ms 596 KB Output is correct
23 Correct 4 ms 596 KB Output is correct

Subtask #4
0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 3 ms 648 KB Output is correct
21 Correct 3 ms 652 KB Output is correct
22 Correct 3 ms 596 KB Output is correct
23 Correct 4 ms 596 KB Output is correct
24 Runtime error 2 ms 908 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -

Subtask #5
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 3 ms 648 KB Output is correct
21 Correct 3 ms 652 KB Output is correct
22 Correct 3 ms 596 KB Output is correct
23 Correct 4 ms 596 KB Output is correct
24 Runtime error 2 ms 908 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 388 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 4 ms 596 KB Output is correct
18 Correct 3 ms 596 KB Output is correct
19 Correct 4 ms 596 KB Output is correct
20 Correct 3 ms 648 KB Output is correct
21 Correct 3 ms 652 KB Output is correct
22 Correct 3 ms 596 KB Output is correct
23 Correct 4 ms 596 KB Output is correct
24 Runtime error 2 ms 908 KB Execution killed with signal 11
25 Halted 0 ms 0 KB -

Subtask #7
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 852 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 852 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -