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Submission #1044806

# Submission time Handle Problem Language Result Execution time Memory
1044806 2024-08-05T13:44:59 Z efedmrlr Strange Device (APIO19_strange_device) C++17
100 / 100
 298 ms 39752 KB 
// #pragma GCC optimize("O3,Ofast,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>

using namespace std;


#define int long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int i = 0; (i) < (n); (i)++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()


void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}


const double EPS = 0.00001;
const int INF = 1e18 + 5;
const int N = 3e5+5;
const int ALPH = 26;
const int LGN = 25;
constexpr int MOD = 1e9+7;
int n,m,q;



inline void solve() {
    int A, B;
    cin >> n >> A >> B;
    __int128_t space = (__int128_t)A / __gcd(A, B + 1) * B;
    space = min(space, (__int128_t)INF);
    int sp = (int)space;
    
    vector<array<int, 2> > inter;
    
    REP(i, n) {
        int l, r;
        cin >> l >> r;
        if(r - l + 1 >= sp) {
            cout << sp << "\n";
            return;
        } 
        l %= sp; r %= sp;
        if(l > r) {
            inter.pb({0, r});
            inter.pb({l, sp - 1});
        }
        else {
            inter.pb({l, r});
        }
    }
    int last = 0;
    int ans = 0;
    sort(all(inter));
    for(auto c : inter) {
        c[0] = max(last, c[0]);
        if(c[0] > c[1]) continue;
        ans += c[1] - c[0] + 1;
        last = c[1] + 1;
    }
    cout << ans << "\n";
    
}
 
signed main() {

    fastio();
    int test = 1;
    //cin>>test;
    while(test--) {
        solve();
    }
    
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 736 KB Output is correct
3 Correct 2 ms 736 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
10 Correct 0 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 3 ms 732 KB Output is correct
17 Correct 26 ms 2516 KB Output is correct
18 Correct 0 ms 348 KB Output is correct

Subtask #2
5.0 / 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 Correct 1 ms 348 KB Output is correct

Subtask #3
5.0 / 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 Correct 167 ms 18784 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 228 ms 17688 KB Output is correct
3 Correct 226 ms 18992 KB Output is correct
4 Correct 223 ms 17024 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 228 ms 17688 KB Output is correct
3 Correct 226 ms 18992 KB Output is correct
4 Correct 223 ms 17024 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 248 ms 17180 KB Output is correct
7 Correct 224 ms 18356 KB Output is correct
8 Correct 225 ms 17332 KB Output is correct
9 Correct 261 ms 17848 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 228 ms 17688 KB Output is correct
3 Correct 226 ms 18992 KB Output is correct
4 Correct 223 ms 17024 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 22 ms 2520 KB Output is correct
7 Correct 26 ms 2588 KB Output is correct
8 Correct 28 ms 2520 KB Output is correct
9 Correct 31 ms 2520 KB Output is correct
10 Correct 29 ms 2520 KB Output is correct
11 Correct 24 ms 2500 KB Output is correct
12 Correct 24 ms 2520 KB Output is correct
13 Correct 32 ms 2512 KB Output is correct
14 Correct 22 ms 2520 KB Output is correct
15 Correct 26 ms 2440 KB Output is correct
16 Correct 34 ms 2520 KB Output is correct
17 Correct 30 ms 2520 KB Output is correct
18 Correct 247 ms 18872 KB Output is correct
19 Correct 224 ms 17332 KB Output is correct
20 Correct 251 ms 17592 KB Output is correct
21 Correct 30 ms 2876 KB Output is correct
22 Correct 21 ms 2516 KB Output is correct
23 Correct 70 ms 8960 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 25 ms 2420 KB Output is correct
3 Correct 30 ms 2520 KB Output is correct
4 Correct 272 ms 17144 KB Output is correct
5 Correct 31 ms 2516 KB Output is correct
6 Correct 25 ms 2520 KB Output is correct
7 Correct 25 ms 2520 KB Output is correct
8 Correct 25 ms 2520 KB Output is correct
9 Correct 25 ms 2520 KB Output is correct
10 Correct 26 ms 2520 KB Output is correct
11 Correct 26 ms 2496 KB Output is correct
12 Correct 22 ms 2520 KB Output is correct
13 Correct 25 ms 2444 KB Output is correct
14 Correct 257 ms 18360 KB Output is correct
15 Correct 24 ms 2520 KB Output is correct
16 Correct 230 ms 17216 KB Output is correct
17 Correct 218 ms 17056 KB Output is correct
18 Correct 0 ms 344 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 2 ms 736 KB Output is correct
3 Correct 2 ms 736 KB Output is correct
4 Correct 0 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 0 ms 348 KB Output is correct
10 Correct 0 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 3 ms 732 KB Output is correct
17 Correct 26 ms 2516 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 167 ms 18784 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 228 ms 17688 KB Output is correct
31 Correct 226 ms 18992 KB Output is correct
32 Correct 223 ms 17024 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 248 ms 17180 KB Output is correct
35 Correct 224 ms 18356 KB Output is correct
36 Correct 225 ms 17332 KB Output is correct
37 Correct 261 ms 17848 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 22 ms 2520 KB Output is correct
40 Correct 26 ms 2588 KB Output is correct
41 Correct 28 ms 2520 KB Output is correct
42 Correct 31 ms 2520 KB Output is correct
43 Correct 29 ms 2520 KB Output is correct
44 Correct 24 ms 2500 KB Output is correct
45 Correct 24 ms 2520 KB Output is correct
46 Correct 32 ms 2512 KB Output is correct
47 Correct 22 ms 2520 KB Output is correct
48 Correct 26 ms 2440 KB Output is correct
49 Correct 34 ms 2520 KB Output is correct
50 Correct 30 ms 2520 KB Output is correct
51 Correct 247 ms 18872 KB Output is correct
52 Correct 224 ms 17332 KB Output is correct
53 Correct 251 ms 17592 KB Output is correct
54 Correct 30 ms 2876 KB Output is correct
55 Correct 21 ms 2516 KB Output is correct
56 Correct 70 ms 8960 KB Output is correct
57 Correct 1 ms 344 KB Output is correct
58 Correct 25 ms 2420 KB Output is correct
59 Correct 30 ms 2520 KB Output is correct
60 Correct 272 ms 17144 KB Output is correct
61 Correct 31 ms 2516 KB Output is correct
62 Correct 25 ms 2520 KB Output is correct
63 Correct 25 ms 2520 KB Output is correct
64 Correct 25 ms 2520 KB Output is correct
65 Correct 25 ms 2520 KB Output is correct
66 Correct 26 ms 2520 KB Output is correct
67 Correct 26 ms 2496 KB Output is correct
68 Correct 22 ms 2520 KB Output is correct
69 Correct 25 ms 2444 KB Output is correct
70 Correct 257 ms 18360 KB Output is correct
71 Correct 24 ms 2520 KB Output is correct
72 Correct 230 ms 17216 KB Output is correct
73 Correct 218 ms 17056 KB Output is correct
74 Correct 0 ms 344 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 460 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 0 ms 348 KB Output is correct
79 Correct 2 ms 1116 KB Output is correct
80 Correct 298 ms 38852 KB Output is correct
81 Correct 283 ms 38884 KB Output is correct
82 Correct 285 ms 39752 KB Output is correct
83 Correct 265 ms 39344 KB Output is correct
84 Correct 267 ms 39564 KB Output is correct
85 Correct 274 ms 39056 KB Output is correct
86 Correct 79 ms 16980 KB Output is correct
87 Correct 1 ms 348 KB Output is correct