Submission #663189

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
663189	2022-11-26T16:31:25 Z	Ai7081	Strange Device (APIO19_strange_device)	C++17	65 / 100	432 ms	16932 KB

strange_device

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

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

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

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> a >> b;
    a = a/gcd(a, b+1);
    if ((double)a > (double)1e18+1/b) p = 1e18+1;
    else p = 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	4 ms	600 KB	Output is correct
3	Correct	4 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	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 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	1 ms	212 KB	Output is correct
16	Correct	4 ms	600 KB	Output is correct
17	Correct	41 ms	2460 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	0 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	276 ms	16840 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	380 ms	16868 KB	Output is correct
3	Correct	379 ms	16816 KB	Output is correct
4	Correct	362 ms	16832 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	380 ms	16868 KB	Output is correct
3	Correct	379 ms	16816 KB	Output is correct
4	Correct	362 ms	16832 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	365 ms	16760 KB	Output is correct
7	Correct	370 ms	16824 KB	Output is correct
8	Correct	367 ms	16932 KB	Output is correct
9	Correct	399 ms	16808 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	380 ms	16868 KB	Output is correct
3	Correct	379 ms	16816 KB	Output is correct
4	Correct	362 ms	16832 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	36 ms	2512 KB	Output is correct
7	Correct	38 ms	2436 KB	Output is correct
8	Correct	35 ms	2512 KB	Output is correct
9	Correct	36 ms	2440 KB	Output is correct
10	Correct	36 ms	2488 KB	Output is correct
11	Correct	37 ms	2504 KB	Output is correct
12	Correct	35 ms	2516 KB	Output is correct
13	Correct	38 ms	2500 KB	Output is correct
14	Correct	37 ms	2492 KB	Output is correct
15	Correct	43 ms	2452 KB	Output is correct
16	Correct	40 ms	2468 KB	Output is correct
17	Correct	36 ms	2380 KB	Output is correct
18	Correct	375 ms	16792 KB	Output is correct
19	Correct	371 ms	16800 KB	Output is correct
20	Correct	407 ms	16780 KB	Output is correct
21	Correct	45 ms	2512 KB	Output is correct
22	Correct	36 ms	2504 KB	Output is correct
23	Correct	119 ms	8600 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	40 ms	2428 KB	Output is correct
3	Correct	41 ms	2448 KB	Output is correct
4	Correct	432 ms	16816 KB	Output is correct
5	Correct	39 ms	2512 KB	Output is correct
6	Correct	40 ms	2488 KB	Output is correct
7	Correct	38 ms	2420 KB	Output is correct
8	Correct	44 ms	2472 KB	Output is correct
9	Correct	40 ms	2512 KB	Output is correct
10	Correct	39 ms	2468 KB	Output is correct
11	Correct	42 ms	2512 KB	Output is correct
12	Correct	36 ms	2476 KB	Output is correct
13	Correct	41 ms	2460 KB	Output is correct
14	Correct	398 ms	16868 KB	Output is correct
15	Correct	42 ms	2500 KB	Output is correct
16	Correct	375 ms	16792 KB	Output is correct
17	Correct	381 ms	16912 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	4 ms	600 KB	Output is correct
3	Correct	4 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	0 ms	212 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	0 ms	212 KB	Output is correct
12	Correct	1 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	1 ms	212 KB	Output is correct
16	Correct	4 ms	600 KB	Output is correct
17	Correct	41 ms	2460 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 #663189

Compilation message