Submission #663119

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
663119	2022-11-26T15:55:54 Z	Ai7081	Strange Device (APIO19_strange_device)	C++17	65 / 100	436 ms	16968 KB

strange_device

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

const ll inf = 2e18;

ll n, a, b, l, r, loop;
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);
    loop = (inf/a<=b ? inf : a*b);
    while (n--) {
        cin >> l >> r, l%=loop, r%=loop;
        if (l>r) v.push_back({0,r}), v.push_back({l,loop-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	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	1 ms	212 KB	Output is correct
7	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 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	44 ms	2512 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	288 ms	16756 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	370 ms	16752 KB	Output is correct
3	Correct	374 ms	16812 KB	Output is correct
4	Correct	348 ms	16968 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	370 ms	16752 KB	Output is correct
3	Correct	374 ms	16812 KB	Output is correct
4	Correct	348 ms	16968 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	390 ms	16784 KB	Output is correct
7	Correct	369 ms	16840 KB	Output is correct
8	Correct	376 ms	16832 KB	Output is correct
9	Correct	407 ms	16860 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	370 ms	16752 KB	Output is correct
3	Correct	374 ms	16812 KB	Output is correct
4	Correct	348 ms	16968 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	43 ms	2456 KB	Output is correct
7	Correct	40 ms	2512 KB	Output is correct
8	Correct	36 ms	2460 KB	Output is correct
9	Correct	36 ms	2440 KB	Output is correct
10	Correct	36 ms	2512 KB	Output is correct
11	Correct	38 ms	2444 KB	Output is correct
12	Correct	37 ms	2492 KB	Output is correct
13	Correct	40 ms	2416 KB	Output is correct
14	Correct	38 ms	2468 KB	Output is correct
15	Correct	44 ms	2484 KB	Output is correct
16	Correct	39 ms	2504 KB	Output is correct
17	Correct	37 ms	2424 KB	Output is correct
18	Correct	373 ms	16884 KB	Output is correct
19	Correct	403 ms	16800 KB	Output is correct
20	Correct	404 ms	16748 KB	Output is correct
21	Correct	40 ms	2428 KB	Output is correct
22	Correct	41 ms	2508 KB	Output is correct
23	Correct	116 ms	8584 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	42 ms	2472 KB	Output is correct
3	Correct	41 ms	2512 KB	Output is correct
4	Correct	436 ms	16768 KB	Output is correct
5	Correct	39 ms	2500 KB	Output is correct
6	Correct	42 ms	2512 KB	Output is correct
7	Correct	41 ms	2440 KB	Output is correct
8	Correct	40 ms	2504 KB	Output is correct
9	Correct	38 ms	2504 KB	Output is correct
10	Correct	38 ms	2464 KB	Output is correct
11	Correct	41 ms	2516 KB	Output is correct
12	Correct	35 ms	2456 KB	Output is correct
13	Correct	39 ms	2484 KB	Output is correct
14	Correct	399 ms	16844 KB	Output is correct
15	Correct	39 ms	2512 KB	Output is correct
16	Correct	385 ms	16832 KB	Output is correct
17	Correct	374 ms	16768 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	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	1 ms	212 KB	Output is correct
7	Correct	1 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	0 ms	212 KB	Output is correct
13	Correct	0 ms	212 KB	Output is correct
14	Correct	1 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	44 ms	2512 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 #663119

Compilation message