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답안 #309237

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
309237 2020-10-02T23:24:50 Z nikatamliani Interval Collection (CCO20_day2problem2) C++14
3 / 25
 7000 ms 111968 KB 
#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
const int N = 1e6 + 5, oo = 1e9;
multiset < int > ms[2][N], L, R;
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[0][l].erase(ms[0][l].find(r));
            ms[1][r].erase(ms[1][r].find(l));
            L.erase(L.find(l));
            R.erase(R.find(r));
            int val = oo;
            if(!ms[0][l].empty()) {
                val = *ms[0][l].begin();
            }
            update(1, N - 1, l, val, 1);
        } else {
            m.insert({l, r});
            ms[0][l].insert(r);
            ms[1][r].insert(l);
            L.insert(l);
            R.insert(r);
            update(1, N - 1, l, *ms[0][l].begin(), 1);
        }
        int maxL = *L.rbegin(), minR = *R.begin();
        // 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;
            ansR = *ms[0][maxL].begin();
            ansL = *ms[1][minR].rbegin();
            // 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: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

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 109944 KB Output is correct
2 Correct 82 ms 109852 KB Output is correct
3 Correct 77 ms 109944 KB Output is correct
4 Correct 75 ms 109944 KB Output is correct
5 Correct 100 ms 109944 KB Output is correct
6 Correct 82 ms 109944 KB Output is correct
7 Correct 78 ms 109944 KB Output is correct
8 Correct 82 ms 109944 KB Output is correct
9 Correct 112 ms 109944 KB Output is correct
10 Correct 101 ms 109948 KB Output is correct
11 Correct 97 ms 110072 KB Output is correct
12 Correct 100 ms 109944 KB Output is correct
13 Correct 112 ms 109944 KB Output is correct
14 Correct 109 ms 109948 KB Output is correct
15 Correct 110 ms 110072 KB Output is correct
16 Correct 110 ms 110072 KB Output is correct
17 Correct 99 ms 109944 KB Output is correct
18 Correct 82 ms 109944 KB Output is correct
19 Correct 77 ms 109944 KB Output is correct
20 Correct 76 ms 109944 KB Output is correct
21 Correct 100 ms 109944 KB Output is correct
22 Correct 82 ms 109944 KB Output is correct
23 Correct 76 ms 109948 KB Output is correct
24 Correct 80 ms 109944 KB Output is correct
25 Correct 107 ms 109944 KB Output is correct
26 Correct 98 ms 110072 KB Output is correct
27 Correct 94 ms 109944 KB Output is correct
28 Correct 95 ms 109992 KB Output is correct
29 Correct 109 ms 110072 KB Output is correct
30 Correct 108 ms 110072 KB Output is correct
31 Correct 110 ms 109992 KB Output is correct
32 Correct 109 ms 110072 KB Output is correct
33 Correct 75 ms 109944 KB Output is correct
34 Correct 76 ms 109944 KB Output is correct
35 Correct 76 ms 109944 KB Output is correct
36 Correct 83 ms 109948 KB Output is correct
37 Correct 84 ms 109948 KB Output is correct
38 Correct 78 ms 109944 KB Output is correct
39 Correct 75 ms 109880 KB Output is correct
40 Correct 77 ms 109944 KB Output is correct
41 Correct 94 ms 109948 KB Output is correct
42 Correct 78 ms 109944 KB Output is correct
43 Correct 76 ms 109944 KB Output is correct
44 Correct 77 ms 109908 KB Output is correct
45 Correct 95 ms 109944 KB Output is correct
46 Correct 78 ms 109944 KB Output is correct
47 Correct 76 ms 109944 KB Output is correct
48 Correct 75 ms 109944 KB Output is correct
49 Correct 94 ms 109944 KB Output is correct
50 Correct 97 ms 109944 KB Output is correct
51 Correct 95 ms 109944 KB Output is correct
52 Correct 95 ms 109984 KB Output is correct
53 Correct 94 ms 109948 KB Output is correct
54 Correct 95 ms 109944 KB Output is correct
55 Correct 94 ms 109944 KB Output is correct
56 Correct 96 ms 109944 KB Output is correct
57 Correct 94 ms 109944 KB Output is correct
58 Correct 95 ms 109944 KB Output is correct
59 Correct 108 ms 110072 KB Output is correct
60 Correct 109 ms 109944 KB Output is correct

Subtask #2
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 109944 KB Output is correct
2 Correct 82 ms 109852 KB Output is correct
3 Correct 77 ms 109944 KB Output is correct
4 Correct 75 ms 109944 KB Output is correct
5 Correct 100 ms 109944 KB Output is correct
6 Correct 82 ms 109944 KB Output is correct
7 Correct 78 ms 109944 KB Output is correct
8 Correct 82 ms 109944 KB Output is correct
9 Correct 112 ms 109944 KB Output is correct
10 Correct 101 ms 109948 KB Output is correct
11 Correct 97 ms 110072 KB Output is correct
12 Correct 100 ms 109944 KB Output is correct
13 Correct 112 ms 109944 KB Output is correct
14 Correct 109 ms 109948 KB Output is correct
15 Correct 110 ms 110072 KB Output is correct
16 Correct 110 ms 110072 KB Output is correct
17 Correct 99 ms 109944 KB Output is correct
18 Correct 82 ms 109944 KB Output is correct
19 Correct 77 ms 109944 KB Output is correct
20 Correct 76 ms 109944 KB Output is correct
21 Correct 100 ms 109944 KB Output is correct
22 Correct 82 ms 109944 KB Output is correct
23 Correct 76 ms 109948 KB Output is correct
24 Correct 80 ms 109944 KB Output is correct
25 Correct 107 ms 109944 KB Output is correct
26 Correct 98 ms 110072 KB Output is correct
27 Correct 94 ms 109944 KB Output is correct
28 Correct 95 ms 109992 KB Output is correct
29 Correct 109 ms 110072 KB Output is correct
30 Correct 108 ms 110072 KB Output is correct
31 Correct 110 ms 109992 KB Output is correct
32 Correct 109 ms 110072 KB Output is correct
33 Correct 75 ms 109944 KB Output is correct
34 Correct 76 ms 109944 KB Output is correct
35 Correct 76 ms 109944 KB Output is correct
36 Correct 83 ms 109948 KB Output is correct
37 Correct 84 ms 109948 KB Output is correct
38 Correct 78 ms 109944 KB Output is correct
39 Correct 75 ms 109880 KB Output is correct
40 Correct 77 ms 109944 KB Output is correct
41 Correct 94 ms 109948 KB Output is correct
42 Correct 78 ms 109944 KB Output is correct
43 Correct 76 ms 109944 KB Output is correct
44 Correct 77 ms 109908 KB Output is correct
45 Correct 95 ms 109944 KB Output is correct
46 Correct 78 ms 109944 KB Output is correct
47 Correct 76 ms 109944 KB Output is correct
48 Correct 75 ms 109944 KB Output is correct
49 Correct 94 ms 109944 KB Output is correct
50 Correct 97 ms 109944 KB Output is correct
51 Correct 95 ms 109944 KB Output is correct
52 Correct 95 ms 109984 KB Output is correct
53 Correct 94 ms 109948 KB Output is correct
54 Correct 95 ms 109944 KB Output is correct
55 Correct 94 ms 109944 KB Output is correct
56 Correct 96 ms 109944 KB Output is correct
57 Correct 94 ms 109944 KB Output is correct
58 Correct 95 ms 109944 KB Output is correct
59 Correct 108 ms 110072 KB Output is correct
60 Correct 109 ms 109944 KB Output is correct
61 Correct 74 ms 109844 KB Output is correct
62 Correct 72 ms 109944 KB Output is correct
63 Correct 74 ms 109944 KB Output is correct
64 Execution timed out 7048 ms 111692 KB Time limit exceeded
65 Halted 0 ms 0 KB -

Subtask #3
0.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 109944 KB Output is correct
2 Correct 82 ms 109852 KB Output is correct
3 Correct 77 ms 109944 KB Output is correct
4 Correct 75 ms 109944 KB Output is correct
5 Correct 100 ms 109944 KB Output is correct
6 Correct 82 ms 109944 KB Output is correct
7 Correct 78 ms 109944 KB Output is correct
8 Correct 82 ms 109944 KB Output is correct
9 Correct 112 ms 109944 KB Output is correct
10 Correct 101 ms 109948 KB Output is correct
11 Correct 97 ms 110072 KB Output is correct
12 Correct 100 ms 109944 KB Output is correct
13 Correct 112 ms 109944 KB Output is correct
14 Correct 109 ms 109948 KB Output is correct
15 Correct 110 ms 110072 KB Output is correct
16 Correct 110 ms 110072 KB Output is correct
17 Correct 99 ms 109944 KB Output is correct
18 Correct 82 ms 109944 KB Output is correct
19 Correct 77 ms 109944 KB Output is correct
20 Correct 76 ms 109944 KB Output is correct
21 Correct 100 ms 109944 KB Output is correct
22 Correct 82 ms 109944 KB Output is correct
23 Correct 76 ms 109948 KB Output is correct
24 Correct 80 ms 109944 KB Output is correct
25 Correct 107 ms 109944 KB Output is correct
26 Correct 98 ms 110072 KB Output is correct
27 Correct 94 ms 109944 KB Output is correct
28 Correct 95 ms 109992 KB Output is correct
29 Correct 109 ms 110072 KB Output is correct
30 Correct 108 ms 110072 KB Output is correct
31 Correct 110 ms 109992 KB Output is correct
32 Correct 109 ms 110072 KB Output is correct
33 Correct 75 ms 109944 KB Output is correct
34 Correct 76 ms 109944 KB Output is correct
35 Correct 76 ms 109944 KB Output is correct
36 Correct 83 ms 109948 KB Output is correct
37 Correct 84 ms 109948 KB Output is correct
38 Correct 78 ms 109944 KB Output is correct
39 Correct 75 ms 109880 KB Output is correct
40 Correct 77 ms 109944 KB Output is correct
41 Correct 94 ms 109948 KB Output is correct
42 Correct 78 ms 109944 KB Output is correct
43 Correct 76 ms 109944 KB Output is correct
44 Correct 77 ms 109908 KB Output is correct
45 Correct 95 ms 109944 KB Output is correct
46 Correct 78 ms 109944 KB Output is correct
47 Correct 76 ms 109944 KB Output is correct
48 Correct 75 ms 109944 KB Output is correct
49 Correct 94 ms 109944 KB Output is correct
50 Correct 97 ms 109944 KB Output is correct
51 Correct 95 ms 109944 KB Output is correct
52 Correct 95 ms 109984 KB Output is correct
53 Correct 94 ms 109948 KB Output is correct
54 Correct 95 ms 109944 KB Output is correct
55 Correct 94 ms 109944 KB Output is correct
56 Correct 96 ms 109944 KB Output is correct
57 Correct 94 ms 109944 KB Output is correct
58 Correct 95 ms 109944 KB Output is correct
59 Correct 108 ms 110072 KB Output is correct
60 Correct 109 ms 109944 KB Output is correct
61 Correct 74 ms 109844 KB Output is correct
62 Correct 72 ms 109944 KB Output is correct
63 Correct 74 ms 109944 KB Output is correct
64 Execution timed out 7048 ms 111692 KB Time limit exceeded
65 Halted 0 ms 0 KB -

Subtask #4
0.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 7059 ms 111968 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 101 ms 109944 KB Output is correct
2 Correct 82 ms 109852 KB Output is correct
3 Correct 77 ms 109944 KB Output is correct
4 Correct 75 ms 109944 KB Output is correct
5 Correct 100 ms 109944 KB Output is correct
6 Correct 82 ms 109944 KB Output is correct
7 Correct 78 ms 109944 KB Output is correct
8 Correct 82 ms 109944 KB Output is correct
9 Correct 112 ms 109944 KB Output is correct
10 Correct 101 ms 109948 KB Output is correct
11 Correct 97 ms 110072 KB Output is correct
12 Correct 100 ms 109944 KB Output is correct
13 Correct 112 ms 109944 KB Output is correct
14 Correct 109 ms 109948 KB Output is correct
15 Correct 110 ms 110072 KB Output is correct
16 Correct 110 ms 110072 KB Output is correct
17 Correct 99 ms 109944 KB Output is correct
18 Correct 82 ms 109944 KB Output is correct
19 Correct 77 ms 109944 KB Output is correct
20 Correct 76 ms 109944 KB Output is correct
21 Correct 100 ms 109944 KB Output is correct
22 Correct 82 ms 109944 KB Output is correct
23 Correct 76 ms 109948 KB Output is correct
24 Correct 80 ms 109944 KB Output is correct
25 Correct 107 ms 109944 KB Output is correct
26 Correct 98 ms 110072 KB Output is correct
27 Correct 94 ms 109944 KB Output is correct
28 Correct 95 ms 109992 KB Output is correct
29 Correct 109 ms 110072 KB Output is correct
30 Correct 108 ms 110072 KB Output is correct
31 Correct 110 ms 109992 KB Output is correct
32 Correct 109 ms 110072 KB Output is correct
33 Correct 75 ms 109944 KB Output is correct
34 Correct 76 ms 109944 KB Output is correct
35 Correct 76 ms 109944 KB Output is correct
36 Correct 83 ms 109948 KB Output is correct
37 Correct 84 ms 109948 KB Output is correct
38 Correct 78 ms 109944 KB Output is correct
39 Correct 75 ms 109880 KB Output is correct
40 Correct 77 ms 109944 KB Output is correct
41 Correct 94 ms 109948 KB Output is correct
42 Correct 78 ms 109944 KB Output is correct
43 Correct 76 ms 109944 KB Output is correct
44 Correct 77 ms 109908 KB Output is correct
45 Correct 95 ms 109944 KB Output is correct
46 Correct 78 ms 109944 KB Output is correct
47 Correct 76 ms 109944 KB Output is correct
48 Correct 75 ms 109944 KB Output is correct
49 Correct 94 ms 109944 KB Output is correct
50 Correct 97 ms 109944 KB Output is correct
51 Correct 95 ms 109944 KB Output is correct
52 Correct 95 ms 109984 KB Output is correct
53 Correct 94 ms 109948 KB Output is correct
54 Correct 95 ms 109944 KB Output is correct
55 Correct 94 ms 109944 KB Output is correct
56 Correct 96 ms 109944 KB Output is correct
57 Correct 94 ms 109944 KB Output is correct
58 Correct 95 ms 109944 KB Output is correct
59 Correct 108 ms 110072 KB Output is correct
60 Correct 109 ms 109944 KB Output is correct
61 Correct 74 ms 109844 KB Output is correct
62 Correct 72 ms 109944 KB Output is correct
63 Correct 74 ms 109944 KB Output is correct
64 Execution timed out 7048 ms 111692 KB Time limit exceeded
65 Halted 0 ms 0 KB -