Submission #1044804

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1044804	2024-08-05T13:43:12 Z	efedmrlr	Strange Device (APIO19_strange_device)	C++17	65 / 100	281 ms	39636 KB

strange_device

// #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;
        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	1 ms	344 KB	Output is correct
2	Correct	5 ms	776 KB	Output is correct
3	Correct	5 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	1 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	2 ms	736 KB	Output is correct
17	Correct	29 ms	3808 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct

Subtask #2
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	348 KB	Output is correct
2	Incorrect	348 KB	Output isn't correct
3	Halted	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	0 ms	348 KB	Output is correct
3	Correct	1 ms	344 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	173 ms	18952 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	221 ms	18300 KB	Output is correct
3	Correct	257 ms	18256 KB	Output is correct
4	Correct	252 ms	39492 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	221 ms	18300 KB	Output is correct
3	Correct	257 ms	18256 KB	Output is correct
4	Correct	252 ms	39492 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	251 ms	39636 KB	Output is correct
7	Correct	279 ms	39424 KB	Output is correct
8	Correct	246 ms	38780 KB	Output is correct
9	Correct	281 ms	39184 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	221 ms	18300 KB	Output is correct
3	Correct	257 ms	18256 KB	Output is correct
4	Correct	252 ms	39492 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	23 ms	4876 KB	Output is correct
7	Correct	25 ms	5064 KB	Output is correct
8	Correct	30 ms	4928 KB	Output is correct
9	Correct	29 ms	5104 KB	Output is correct
10	Correct	26 ms	5312 KB	Output is correct
11	Correct	25 ms	5060 KB	Output is correct
12	Correct	25 ms	5124 KB	Output is correct
13	Correct	27 ms	5064 KB	Output is correct
14	Correct	25 ms	4916 KB	Output is correct
15	Correct	27 ms	5068 KB	Output is correct
16	Correct	30 ms	4992 KB	Output is correct
17	Correct	25 ms	5052 KB	Output is correct
18	Correct	240 ms	38948 KB	Output is correct
19	Correct	244 ms	39340 KB	Output is correct
20	Correct	273 ms	39308 KB	Output is correct
21	Correct	29 ms	4848 KB	Output is correct
22	Correct	24 ms	5060 KB	Output is correct
23	Correct	73 ms	15988 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	27 ms	2520 KB	Output is correct
3	Correct	25 ms	2520 KB	Output is correct
4	Correct	268 ms	18352 KB	Output is correct
5	Correct	25 ms	2520 KB	Output is correct
6	Correct	25 ms	2480 KB	Output is correct
7	Correct	25 ms	2520 KB	Output is correct
8	Correct	26 ms	2516 KB	Output is correct
9	Correct	24 ms	2664 KB	Output is correct
10	Correct	33 ms	2472 KB	Output is correct
11	Correct	25 ms	2516 KB	Output is correct
12	Correct	22 ms	2516 KB	Output is correct
13	Correct	25 ms	2520 KB	Output is correct
14	Correct	254 ms	18612 KB	Output is correct
15	Correct	25 ms	2520 KB	Output is correct
16	Correct	250 ms	38928 KB	Output is correct
17	Correct	239 ms	38948 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct

Subtask #8
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	5 ms	776 KB	Output is correct
3	Correct	5 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	1 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	2 ms	736 KB	Output is correct
17	Correct	29 ms	3808 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Incorrect	0 ms	348 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Submission #1044804

Compilation message