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Submission #309235

# Submission time Handle Problem Language Result Execution time Memory
309235 2020-10-02T23:16:35 Z nikatamliani Interval Collection (CCO20_day2problem2) C++14
3 / 25
 7000 ms 63996 KB 
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
const int N = 1e6 + 5, oo = 1e9;
multiset < int > ms[N];
int tree[4 * N];
void update(int l, int r, int x, int val, int p) {
    if(l > x || r < x) return;
    if(l == r) {
        tree[p] = val;
    } else {
        int m = l + r >> 1;
        update(l, m, x, val, p << 1);
        update(m + 1, r, x, val, p << 1 | 1);
        tree[p] = min(tree[p << 1], tree[p << 1 | 1]);
    }
}
int query(int l, int r, int L, int R, int p) {
    if(L > r || l > R) return oo;
    if(L <= l && R >= r) return tree[p];
    int m = l + r >> 1;
    return min(query(l, m, L, R, p << 1), query(m + 1, r, L, R, p << 1 | 1));
}
int main() {
    for(int i = 0; i < 4 * N; ++i) tree[i] = oo;
    int q;
    cin >> q;
    multiset < pair < int, int > > m;
    for(int i = 1; i <= q; ++i) {
        int l, r;
        char t;
        cin >> t >> l >> r;
        if(t == 'R') {
            m.erase(m.find({l, r}));
            ms[l].erase(ms[l].find(r));
            int val = oo;
            if(!ms[l].empty()) {
                val = *ms[l].begin();
            }
            update(1, N - 1, l, val, 1);
        } else {
            m.insert({l, r});
            ms[l].insert(r);
            update(1, N - 1, l, *ms[l].begin(), 1);
        }
        int maxL = -1, minR = 1e9;
        for(auto [l, r] : m) {
            maxL = max(maxL, l);
            minR = min(minR, r);
        }
        if(minR <= maxL) {
            int best = 1e9;
            for(auto [l, r] : m) {
                best = min(best, query(1, N - 1, r, N - 1, 1) - l); 
            }
            cout << best << '\n';
        } else {
            int ansL = -1, ansR = 1e9;
            for(auto [l, r] : m) {
                if(l == maxL) {
                    ansR = min(ansR, r); 
                }
                if(r == minR) {
                    ansL = max(ansL, l);
                }
            }
            cout << ansR - ansL << '\n';
        }
    }
}

Compilation message

Main.cpp: In function 'void update(int, int, int, int, int)':
Main.cpp:13:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |         int m = l + r >> 1;
      |                 ~~^~~
Main.cpp: In function 'int query(int, int, int, int, int)':
Main.cpp:22:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |     int m = l + r >> 1;
      |             ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:48:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   48 |         for(auto [l, r] : m) {
      |                  ^
Main.cpp:54:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   54 |             for(auto [l, r] : m) {
      |                      ^
Main.cpp:60:22: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   60 |             for(auto [l, r] : m) {
      |                      ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 63096 KB Output is correct
2 Correct 50 ms 62968 KB Output is correct
3 Correct 46 ms 63096 KB Output is correct
4 Correct 44 ms 62968 KB Output is correct
5 Correct 71 ms 62976 KB Output is correct
6 Correct 51 ms 62968 KB Output is correct
7 Correct 45 ms 62968 KB Output is correct
8 Correct 49 ms 62968 KB Output is correct
9 Correct 79 ms 63096 KB Output is correct
10 Correct 69 ms 62968 KB Output is correct
11 Correct 65 ms 62968 KB Output is correct
12 Correct 68 ms 62976 KB Output is correct
13 Correct 80 ms 62968 KB Output is correct
14 Correct 86 ms 62968 KB Output is correct
15 Correct 81 ms 62976 KB Output is correct
16 Correct 81 ms 62976 KB Output is correct
17 Correct 70 ms 62976 KB Output is correct
18 Correct 53 ms 62956 KB Output is correct
19 Correct 45 ms 62968 KB Output is correct
20 Correct 43 ms 62972 KB Output is correct
21 Correct 72 ms 62972 KB Output is correct
22 Correct 51 ms 62968 KB Output is correct
23 Correct 45 ms 62976 KB Output is correct
24 Correct 47 ms 62968 KB Output is correct
25 Correct 75 ms 63096 KB Output is correct
26 Correct 66 ms 62968 KB Output is correct
27 Correct 64 ms 62972 KB Output is correct
28 Correct 65 ms 62976 KB Output is correct
29 Correct 80 ms 63224 KB Output is correct
30 Correct 82 ms 62968 KB Output is correct
31 Correct 82 ms 62968 KB Output is correct
32 Correct 81 ms 62972 KB Output is correct
33 Correct 43 ms 62968 KB Output is correct
34 Correct 45 ms 62968 KB Output is correct
35 Correct 44 ms 62968 KB Output is correct
36 Correct 44 ms 62968 KB Output is correct
37 Correct 46 ms 62976 KB Output is correct
38 Correct 45 ms 62968 KB Output is correct
39 Correct 44 ms 62968 KB Output is correct
40 Correct 45 ms 62976 KB Output is correct
41 Correct 63 ms 63000 KB Output is correct
42 Correct 48 ms 62968 KB Output is correct
43 Correct 45 ms 62912 KB Output is correct
44 Correct 49 ms 62972 KB Output is correct
45 Correct 62 ms 62976 KB Output is correct
46 Correct 48 ms 62972 KB Output is correct
47 Correct 44 ms 62968 KB Output is correct
48 Correct 44 ms 62968 KB Output is correct
49 Correct 69 ms 62968 KB Output is correct
50 Correct 66 ms 62968 KB Output is correct
51 Correct 64 ms 62968 KB Output is correct
52 Correct 66 ms 62968 KB Output is correct
53 Correct 64 ms 62968 KB Output is correct
54 Correct 64 ms 62968 KB Output is correct
55 Correct 65 ms 63096 KB Output is correct
56 Correct 65 ms 62968 KB Output is correct
57 Correct 63 ms 62968 KB Output is correct
58 Correct 65 ms 62976 KB Output is correct
59 Correct 77 ms 62976 KB Output is correct
60 Correct 80 ms 63096 KB Output is correct

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 63096 KB Output is correct
2 Correct 50 ms 62968 KB Output is correct
3 Correct 46 ms 63096 KB Output is correct
4 Correct 44 ms 62968 KB Output is correct
5 Correct 71 ms 62976 KB Output is correct
6 Correct 51 ms 62968 KB Output is correct
7 Correct 45 ms 62968 KB Output is correct
8 Correct 49 ms 62968 KB Output is correct
9 Correct 79 ms 63096 KB Output is correct
10 Correct 69 ms 62968 KB Output is correct
11 Correct 65 ms 62968 KB Output is correct
12 Correct 68 ms 62976 KB Output is correct
13 Correct 80 ms 62968 KB Output is correct
14 Correct 86 ms 62968 KB Output is correct
15 Correct 81 ms 62976 KB Output is correct
16 Correct 81 ms 62976 KB Output is correct
17 Correct 70 ms 62976 KB Output is correct
18 Correct 53 ms 62956 KB Output is correct
19 Correct 45 ms 62968 KB Output is correct
20 Correct 43 ms 62972 KB Output is correct
21 Correct 72 ms 62972 KB Output is correct
22 Correct 51 ms 62968 KB Output is correct
23 Correct 45 ms 62976 KB Output is correct
24 Correct 47 ms 62968 KB Output is correct
25 Correct 75 ms 63096 KB Output is correct
26 Correct 66 ms 62968 KB Output is correct
27 Correct 64 ms 62972 KB Output is correct
28 Correct 65 ms 62976 KB Output is correct
29 Correct 80 ms 63224 KB Output is correct
30 Correct 82 ms 62968 KB Output is correct
31 Correct 82 ms 62968 KB Output is correct
32 Correct 81 ms 62972 KB Output is correct
33 Correct 43 ms 62968 KB Output is correct
34 Correct 45 ms 62968 KB Output is correct
35 Correct 44 ms 62968 KB Output is correct
36 Correct 44 ms 62968 KB Output is correct
37 Correct 46 ms 62976 KB Output is correct
38 Correct 45 ms 62968 KB Output is correct
39 Correct 44 ms 62968 KB Output is correct
40 Correct 45 ms 62976 KB Output is correct
41 Correct 63 ms 63000 KB Output is correct
42 Correct 48 ms 62968 KB Output is correct
43 Correct 45 ms 62912 KB Output is correct
44 Correct 49 ms 62972 KB Output is correct
45 Correct 62 ms 62976 KB Output is correct
46 Correct 48 ms 62972 KB Output is correct
47 Correct 44 ms 62968 KB Output is correct
48 Correct 44 ms 62968 KB Output is correct
49 Correct 69 ms 62968 KB Output is correct
50 Correct 66 ms 62968 KB Output is correct
51 Correct 64 ms 62968 KB Output is correct
52 Correct 66 ms 62968 KB Output is correct
53 Correct 64 ms 62968 KB Output is correct
54 Correct 64 ms 62968 KB Output is correct
55 Correct 65 ms 63096 KB Output is correct
56 Correct 65 ms 62968 KB Output is correct
57 Correct 63 ms 62968 KB Output is correct
58 Correct 65 ms 62976 KB Output is correct
59 Correct 77 ms 62976 KB Output is correct
60 Correct 80 ms 63096 KB Output is correct
61 Correct 42 ms 62968 KB Output is correct
62 Correct 42 ms 62968 KB Output is correct
63 Correct 42 ms 62900 KB Output is correct
64 Execution timed out 7066 ms 63996 KB Time limit exceeded
65 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 63096 KB Output is correct
2 Correct 50 ms 62968 KB Output is correct
3 Correct 46 ms 63096 KB Output is correct
4 Correct 44 ms 62968 KB Output is correct
5 Correct 71 ms 62976 KB Output is correct
6 Correct 51 ms 62968 KB Output is correct
7 Correct 45 ms 62968 KB Output is correct
8 Correct 49 ms 62968 KB Output is correct
9 Correct 79 ms 63096 KB Output is correct
10 Correct 69 ms 62968 KB Output is correct
11 Correct 65 ms 62968 KB Output is correct
12 Correct 68 ms 62976 KB Output is correct
13 Correct 80 ms 62968 KB Output is correct
14 Correct 86 ms 62968 KB Output is correct
15 Correct 81 ms 62976 KB Output is correct
16 Correct 81 ms 62976 KB Output is correct
17 Correct 70 ms 62976 KB Output is correct
18 Correct 53 ms 62956 KB Output is correct
19 Correct 45 ms 62968 KB Output is correct
20 Correct 43 ms 62972 KB Output is correct
21 Correct 72 ms 62972 KB Output is correct
22 Correct 51 ms 62968 KB Output is correct
23 Correct 45 ms 62976 KB Output is correct
24 Correct 47 ms 62968 KB Output is correct
25 Correct 75 ms 63096 KB Output is correct
26 Correct 66 ms 62968 KB Output is correct
27 Correct 64 ms 62972 KB Output is correct
28 Correct 65 ms 62976 KB Output is correct
29 Correct 80 ms 63224 KB Output is correct
30 Correct 82 ms 62968 KB Output is correct
31 Correct 82 ms 62968 KB Output is correct
32 Correct 81 ms 62972 KB Output is correct
33 Correct 43 ms 62968 KB Output is correct
34 Correct 45 ms 62968 KB Output is correct
35 Correct 44 ms 62968 KB Output is correct
36 Correct 44 ms 62968 KB Output is correct
37 Correct 46 ms 62976 KB Output is correct
38 Correct 45 ms 62968 KB Output is correct
39 Correct 44 ms 62968 KB Output is correct
40 Correct 45 ms 62976 KB Output is correct
41 Correct 63 ms 63000 KB Output is correct
42 Correct 48 ms 62968 KB Output is correct
43 Correct 45 ms 62912 KB Output is correct
44 Correct 49 ms 62972 KB Output is correct
45 Correct 62 ms 62976 KB Output is correct
46 Correct 48 ms 62972 KB Output is correct
47 Correct 44 ms 62968 KB Output is correct
48 Correct 44 ms 62968 KB Output is correct
49 Correct 69 ms 62968 KB Output is correct
50 Correct 66 ms 62968 KB Output is correct
51 Correct 64 ms 62968 KB Output is correct
52 Correct 66 ms 62968 KB Output is correct
53 Correct 64 ms 62968 KB Output is correct
54 Correct 64 ms 62968 KB Output is correct
55 Correct 65 ms 63096 KB Output is correct
56 Correct 65 ms 62968 KB Output is correct
57 Correct 63 ms 62968 KB Output is correct
58 Correct 65 ms 62976 KB Output is correct
59 Correct 77 ms 62976 KB Output is correct
60 Correct 80 ms 63096 KB Output is correct
61 Correct 42 ms 62968 KB Output is correct
62 Correct 42 ms 62968 KB Output is correct
63 Correct 42 ms 62900 KB Output is correct
64 Execution timed out 7066 ms 63996 KB Time limit exceeded
65 Halted 0 ms 0 KB -

Subtask #4
0.0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 7063 ms 63912 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 70 ms 63096 KB Output is correct
2 Correct 50 ms 62968 KB Output is correct
3 Correct 46 ms 63096 KB Output is correct
4 Correct 44 ms 62968 KB Output is correct
5 Correct 71 ms 62976 KB Output is correct
6 Correct 51 ms 62968 KB Output is correct
7 Correct 45 ms 62968 KB Output is correct
8 Correct 49 ms 62968 KB Output is correct
9 Correct 79 ms 63096 KB Output is correct
10 Correct 69 ms 62968 KB Output is correct
11 Correct 65 ms 62968 KB Output is correct
12 Correct 68 ms 62976 KB Output is correct
13 Correct 80 ms 62968 KB Output is correct
14 Correct 86 ms 62968 KB Output is correct
15 Correct 81 ms 62976 KB Output is correct
16 Correct 81 ms 62976 KB Output is correct
17 Correct 70 ms 62976 KB Output is correct
18 Correct 53 ms 62956 KB Output is correct
19 Correct 45 ms 62968 KB Output is correct
20 Correct 43 ms 62972 KB Output is correct
21 Correct 72 ms 62972 KB Output is correct
22 Correct 51 ms 62968 KB Output is correct
23 Correct 45 ms 62976 KB Output is correct
24 Correct 47 ms 62968 KB Output is correct
25 Correct 75 ms 63096 KB Output is correct
26 Correct 66 ms 62968 KB Output is correct
27 Correct 64 ms 62972 KB Output is correct
28 Correct 65 ms 62976 KB Output is correct
29 Correct 80 ms 63224 KB Output is correct
30 Correct 82 ms 62968 KB Output is correct
31 Correct 82 ms 62968 KB Output is correct
32 Correct 81 ms 62972 KB Output is correct
33 Correct 43 ms 62968 KB Output is correct
34 Correct 45 ms 62968 KB Output is correct
35 Correct 44 ms 62968 KB Output is correct
36 Correct 44 ms 62968 KB Output is correct
37 Correct 46 ms 62976 KB Output is correct
38 Correct 45 ms 62968 KB Output is correct
39 Correct 44 ms 62968 KB Output is correct
40 Correct 45 ms 62976 KB Output is correct
41 Correct 63 ms 63000 KB Output is correct
42 Correct 48 ms 62968 KB Output is correct
43 Correct 45 ms 62912 KB Output is correct
44 Correct 49 ms 62972 KB Output is correct
45 Correct 62 ms 62976 KB Output is correct
46 Correct 48 ms 62972 KB Output is correct
47 Correct 44 ms 62968 KB Output is correct
48 Correct 44 ms 62968 KB Output is correct
49 Correct 69 ms 62968 KB Output is correct
50 Correct 66 ms 62968 KB Output is correct
51 Correct 64 ms 62968 KB Output is correct
52 Correct 66 ms 62968 KB Output is correct
53 Correct 64 ms 62968 KB Output is correct
54 Correct 64 ms 62968 KB Output is correct
55 Correct 65 ms 63096 KB Output is correct
56 Correct 65 ms 62968 KB Output is correct
57 Correct 63 ms 62968 KB Output is correct
58 Correct 65 ms 62976 KB Output is correct
59 Correct 77 ms 62976 KB Output is correct
60 Correct 80 ms 63096 KB Output is correct
61 Correct 42 ms 62968 KB Output is correct
62 Correct 42 ms 62968 KB Output is correct
63 Correct 42 ms 62900 KB Output is correct
64 Execution timed out 7066 ms 63996 KB Time limit exceeded
65 Halted 0 ms 0 KB -