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Submission #721503

# Submission time Handle Problem Language Result Execution time Memory
721503 2023-04-11T03:21:21 Z GrandTiger1729 Strange Device (APIO19_strange_device) C++17
10 / 100
 5000 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;

const int INF = 1e18 + 10;
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n; cin >> n;
    long long A, B; cin >> A >> B;
    if ((__int128_t)1 * A * B / __gcd(A, B + 1) >= INF){
        long long ans = 0;
        for (int i = 0; i < n; i++){
            long long l, r; cin >> l >> r;
            ans += r - l + 1;
        }
        cout << ans << '\n';
        return 0;
    }
    long long D = (__int128_t)1 * A * B / __gcd(A, B + 1);
    set<long long> st;
    for (int i = 0; i < n; i++){
        long long l, r; cin >> l >> r;
        for (long long j = l; j <= r; j++)
            st.insert(j % D);
    }
    // cerr << D << '\n';
    // for (auto &v: st)
    //     cerr << v << ' ';
    // cerr << endl;
    cout << st.size() << '\n';
    return 0;
}

Compilation message

strange_device.cpp:4:22: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
    4 | const int INF = 1e18 + 10;
      |                 ~~~~~^~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 49 ms 9696 KB Output is correct
3 Correct 62 ms 13852 KB Output is correct
4 Correct 2 ms 724 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 36 ms 5268 KB Output is correct
16 Correct 20 ms 5460 KB Output is correct
17 Correct 53 ms 5668 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 4019 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 98 ms 24276 KB Output is correct
3 Correct 89 ms 24132 KB Output is correct
4 Correct 108 ms 22968 KB Output is correct
5 Execution timed out 5044 ms 46944 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 572 ms 50240 KB Output is correct
3 Incorrect 338 ms 3332 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 572 ms 50240 KB Output is correct
3 Incorrect 338 ms 3332 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 572 ms 50240 KB Output is correct
3 Incorrect 338 ms 3332 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 2386 ms 524288 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 49 ms 9696 KB Output is correct
3 Correct 62 ms 13852 KB Output is correct
4 Correct 2 ms 724 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 36 ms 5268 KB Output is correct
16 Correct 20 ms 5460 KB Output is correct
17 Correct 53 ms 5668 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 4019 ms 524288 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -