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Submission #495962

# Submission time Handle Problem Language Result Execution time Memory
495962 2021-12-20T08:39:35 Z Nalrimet Segments (IZhO18_segments) C++17
7 / 100
 5000 ms 1620 KB 
#include<bits/stdc++.h>

using namespace std;

const int N = 2 * 1e5 + 5;
const int inf = 1000000000;

//#define int long long
#define F first
#define S second
#define pb push_back

int n, t, a, b, lastans, k, id;
bool used[N];
vector<pair<int, int>> v;

 main() {

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> n >> t;

    int type;

    while(n--){
        cin >> type;
        if(type == 1){
            cin >> a >> b;
            a = a ^ (t * lastans);
            b = b ^ (t * lastans);
            if(a > b) swap(a, b);
//            cout << a << ' ' << b << '\n';
            used[v.size()] = 1;
            v.pb({a, b});
        }
        else if(type == 2){
            cin >> id;
//            cout << id - 1 << '\n';;
            used[id - 1] = 0;
        }
        else{
            cin >> a >> b >> k;
            a = a ^ (t * lastans);
            b = b ^ (t * lastans);
            if(a > b) swap(a, b);
//            cout << a << ' ' << b << '\n';
            lastans = 0;
            for(int i = 0; i < v.size(); ++i){
                if(used[i]){
//                    cout << v[i].F << ' ' << v[i].S << '\n';
                     if(min(v[i].S, b) - max(v[i].F, a) + 1 >= k) lastans++;
                }
            }
//            l x y r
//            l x r y
//            x l y r
//            x l r y
            cout << lastans << '\n';
        }
    }

    return 0;

}

Compilation message

segments.cpp:17:2: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 |  main() {
      |  ^~~~
segments.cpp: In function 'int main()':
segments.cpp:50:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |             for(int i = 0; i < v.size(); ++i){
      |                            ~~^~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 20 ms 424 KB Output is correct
6 Correct 25 ms 384 KB Output is correct
7 Correct 12 ms 460 KB Output is correct
8 Correct 12 ms 396 KB Output is correct
9 Correct 14 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 27 ms 388 KB Output is correct
12 Correct 28 ms 384 KB Output is correct
13 Correct 6 ms 332 KB Output is correct
14 Correct 13 ms 384 KB Output is correct
15 Correct 3 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 15 ms 376 KB Output is correct
18 Correct 8 ms 332 KB Output is correct
19 Correct 15 ms 380 KB Output is correct
20 Correct 15 ms 332 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5004 ms 1620 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 527 ms 1056 KB Output is correct
2 Correct 470 ms 1080 KB Output is correct
3 Correct 629 ms 1004 KB Output is correct
4 Correct 460 ms 1000 KB Output is correct
5 Execution timed out 5095 ms 1484 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 457 ms 1020 KB Output is correct
2 Correct 449 ms 1032 KB Output is correct
3 Correct 436 ms 1080 KB Output is correct
4 Correct 463 ms 1156 KB Output is correct
5 Execution timed out 5093 ms 1460 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 20 ms 424 KB Output is correct
6 Correct 25 ms 384 KB Output is correct
7 Correct 12 ms 460 KB Output is correct
8 Correct 12 ms 396 KB Output is correct
9 Correct 14 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 27 ms 388 KB Output is correct
12 Correct 28 ms 384 KB Output is correct
13 Correct 6 ms 332 KB Output is correct
14 Correct 13 ms 384 KB Output is correct
15 Correct 3 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 15 ms 376 KB Output is correct
18 Correct 8 ms 332 KB Output is correct
19 Correct 15 ms 380 KB Output is correct
20 Correct 15 ms 332 KB Output is correct
21 Execution timed out 5004 ms 1620 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 3 ms 332 KB Output is correct
4 Correct 3 ms 332 KB Output is correct
5 Correct 20 ms 424 KB Output is correct
6 Correct 25 ms 384 KB Output is correct
7 Correct 12 ms 460 KB Output is correct
8 Correct 12 ms 396 KB Output is correct
9 Correct 14 ms 332 KB Output is correct
10 Correct 7 ms 332 KB Output is correct
11 Correct 27 ms 388 KB Output is correct
12 Correct 28 ms 384 KB Output is correct
13 Correct 6 ms 332 KB Output is correct
14 Correct 13 ms 384 KB Output is correct
15 Correct 3 ms 332 KB Output is correct
16 Correct 4 ms 332 KB Output is correct
17 Correct 15 ms 376 KB Output is correct
18 Correct 8 ms 332 KB Output is correct
19 Correct 15 ms 380 KB Output is correct
20 Correct 15 ms 332 KB Output is correct
21 Execution timed out 5004 ms 1620 KB Time limit exceeded
22 Halted 0 ms 0 KB -