Submission #663136

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
663136	2022-11-26T16:07:18 Z	Ai7081	Strange Device (APIO19_strange_device)	C++17	65 / 100	439 ms	16960 KB

strange_device

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<ll, ll>

const ll inf = 5e18+7;

ll n, a, b, l, r, p;
vector<pii> v;

ll gcd(ll c1, ll c2) {
    if (!(max(c1,c2)%min(c1,c2))) return min(c1, c2);
    return gcd(min(c1,c2), max(c1,c2)%min(c1,c2));
}

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> a >> b;
    a/=gcd(a,b+1);
    p = (inf/a<b ? inf : a*b);
    while (n--) {
        cin >> l >> r, l%=p, r%=p;
        if (l>r) v.push_back({0,r}), v.push_back({l,p-1});
        else v.push_back({l,r});
    }
    sort(v.begin(), v.end());
    ll out=0, ma=-1;
    for (auto [x,y]:v) out += (ma<x ? y-x+1 : max((ll)0,y-ma)), ma=max(ma,y);
    cout << out;
    return 0;
}

/*
3 3 3
4 4
7 9
17 18
ans: 4

3 5 10
1 20
50 68
89 98
ans: 31

1 1000000000000000 1000000000000000000
100000 1000000
*/

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	7 ms	600 KB	Output is correct
3	Correct	5 ms	600 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	600 KB	Output is correct
17	Correct	40 ms	2520 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #2
0 / 5.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Incorrect	212 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	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	279 ms	16824 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	397 ms	16768 KB	Output is correct
3	Correct	381 ms	16868 KB	Output is correct
4	Correct	361 ms	16796 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	397 ms	16768 KB	Output is correct
3	Correct	381 ms	16868 KB	Output is correct
4	Correct	361 ms	16796 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	411 ms	16960 KB	Output is correct
7	Correct	419 ms	16828 KB	Output is correct
8	Correct	426 ms	16812 KB	Output is correct
9	Correct	433 ms	16876 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	397 ms	16768 KB	Output is correct
3	Correct	381 ms	16868 KB	Output is correct
4	Correct	361 ms	16796 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	42 ms	2424 KB	Output is correct
7	Correct	43 ms	2404 KB	Output is correct
8	Correct	38 ms	2480 KB	Output is correct
9	Correct	49 ms	2448 KB	Output is correct
10	Correct	40 ms	2480 KB	Output is correct
11	Correct	38 ms	2512 KB	Output is correct
12	Correct	38 ms	2452 KB	Output is correct
13	Correct	40 ms	2516 KB	Output is correct
14	Correct	38 ms	2512 KB	Output is correct
15	Correct	41 ms	2404 KB	Output is correct
16	Correct	50 ms	2380 KB	Output is correct
17	Correct	46 ms	2484 KB	Output is correct
18	Correct	413 ms	16876 KB	Output is correct
19	Correct	367 ms	16804 KB	Output is correct
20	Correct	438 ms	16884 KB	Output is correct
21	Correct	40 ms	2504 KB	Output is correct
22	Correct	35 ms	2376 KB	Output is correct
23	Correct	125 ms	8656 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	49 ms	2412 KB	Output is correct
3	Correct	39 ms	2456 KB	Output is correct
4	Correct	439 ms	16900 KB	Output is correct
5	Correct	39 ms	2508 KB	Output is correct
6	Correct	40 ms	2512 KB	Output is correct
7	Correct	40 ms	2512 KB	Output is correct
8	Correct	40 ms	2484 KB	Output is correct
9	Correct	40 ms	2436 KB	Output is correct
10	Correct	46 ms	2480 KB	Output is correct
11	Correct	39 ms	2512 KB	Output is correct
12	Correct	34 ms	2504 KB	Output is correct
13	Correct	40 ms	2500 KB	Output is correct
14	Correct	434 ms	16824 KB	Output is correct
15	Correct	39 ms	2524 KB	Output is correct
16	Correct	377 ms	16848 KB	Output is correct
17	Correct	376 ms	16812 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #8
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	7 ms	600 KB	Output is correct
3	Correct	5 ms	600 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	4 ms	600 KB	Output is correct
17	Correct	40 ms	2520 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct
19	Correct	0 ms	212 KB	Output is correct
20	Incorrect	0 ms	212 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Submission #663136

Compilation message