oj.uz

Submission #1059804

# Submission time Handle Problem Language Result Execution time Memory
1059804 2024-08-15T08:21:35 Z dpsaveslives Strange Device (APIO19_strange_device) C++17
35 / 100
 486 ms 89076 KB 
#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second
using namespace std;
const int MAXN = 4e6+10;
ll vals[MAXN];
pair<ll,ll> ranges[MAXN];
ll pref[MAXN];
int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int N; ll A,B; cin >> N >> A >> B;
    ll C = A/gcd(A,B+1)*B;
    int cnt = 0;
    for(int i = 0;i<N;++i){
        ll l,r; cin >> l >> r;
        if(r-l+1 >= C){
            cout << C << "\n";
            return 0;
        }
        l %= C; r %= C;
        if(l <= r){
            ranges[++cnt] = make_pair(l,r);
        }
        else{
            ranges[++cnt] = make_pair(l,C-1);
            ranges[++cnt] = make_pair(0ll,r);
        }
    }
    int m = 0;
    for(int i = 1;i<=cnt;++i){
        vals[++m] = ranges[i].f;
        vals[++m] = ranges[i].s+1;
    }
    sort(vals+1,vals+m+1);
    for(int i = 1;i<=cnt;++i){
        int ind = lower_bound(vals+1,vals+m+1,ranges[i].f)-vals;
        int ind2 = lower_bound(vals+1,vals+m+1,ranges[i].s+1)-vals;
        ++pref[ind]; --pref[ind2];
    }
    ll ans = 0ll;
    for(int i = 1;i<=m;++i){
        pref[i] += pref[i-1];
        if(pref[i]){
            ans += vals[i+1]-vals[i];
        }
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 4 ms 1112 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1244 KB Output is correct
17 Correct 44 ms 8788 KB Output is correct
18 Incorrect 0 ms 348 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Incorrect 0 ms 348 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 224 ms 72536 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 404 ms 84548 KB Output is correct
3 Correct 425 ms 84504 KB Output is correct
4 Correct 420 ms 84528 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 404 ms 84548 KB Output is correct
3 Correct 425 ms 84504 KB Output is correct
4 Correct 420 ms 84528 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 419 ms 84516 KB Output is correct
7 Correct 399 ms 84560 KB Output is correct
8 Correct 441 ms 84596 KB Output is correct
9 Correct 484 ms 84560 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 404 ms 84548 KB Output is correct
3 Correct 425 ms 84504 KB Output is correct
4 Correct 420 ms 84528 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 42 ms 8752 KB Output is correct
7 Correct 42 ms 8624 KB Output is correct
8 Correct 37 ms 8788 KB Output is correct
9 Correct 40 ms 8784 KB Output is correct
10 Correct 40 ms 9048 KB Output is correct
11 Correct 41 ms 8784 KB Output is correct
12 Correct 46 ms 8844 KB Output is correct
13 Correct 47 ms 9108 KB Output is correct
14 Correct 36 ms 8796 KB Output is correct
15 Correct 44 ms 8860 KB Output is correct
16 Correct 43 ms 8844 KB Output is correct
17 Correct 39 ms 8796 KB Output is correct
18 Correct 433 ms 84560 KB Output is correct
19 Correct 396 ms 84588 KB Output is correct
20 Correct 486 ms 84588 KB Output is correct
21 Correct 45 ms 8788 KB Output is correct
22 Correct 36 ms 8784 KB Output is correct
23 Correct 96 ms 28920 KB Output is correct

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 42 ms 8864 KB Output is correct
3 Correct 45 ms 8664 KB Output is correct
4 Correct 480 ms 84700 KB Output is correct
5 Correct 43 ms 8856 KB Output is correct
6 Correct 44 ms 8788 KB Output is correct
7 Correct 44 ms 8784 KB Output is correct
8 Correct 45 ms 8788 KB Output is correct
9 Correct 45 ms 12372 KB Output is correct
10 Correct 44 ms 12368 KB Output is correct
11 Correct 43 ms 12356 KB Output is correct
12 Correct 42 ms 12372 KB Output is correct
13 Correct 44 ms 12368 KB Output is correct
14 Correct 452 ms 88900 KB Output is correct
15 Correct 45 ms 12368 KB Output is correct
16 Correct 389 ms 89076 KB Output is correct
17 Correct 418 ms 88912 KB Output is correct
18 Incorrect 0 ms 344 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 4 ms 1116 KB Output is correct
3 Correct 4 ms 1112 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 4 ms 1244 KB Output is correct
17 Correct 44 ms 8788 KB Output is correct
18 Incorrect 0 ms 348 KB Output isn't correct
19 Halted 0 ms 0 KB -