Submission #683682

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
683682	2023-01-19T05:25:52 Z	Nursik	Strange Device (APIO19_strange_device)	C++17	100 / 100	501 ms	68968 KB

strange_device

#include <stdio.h>
 
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <fstream>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

using namespace std;
 
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
#define bug cout << "bug\n";

const ll maxn = 1e6 + 5, maxm = 2e2 + 1;
const ll mod = 1e9 + 7, inf = 1e9, block = 550, hb = 126067, base = 1000050017,
         biginf = 5e18;
const ld eps = 1e-15;
using namespace std;

int n;
ll a, b, p;
ll l[maxn], r[maxn];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n >> a >> b;
    a = a / gcd(a, b + 1);
    if (a > 1e18 / b){
        p = 1e18;
    }
    else{
        p = a * b;
    }
    vector<pair<ll, ll>> v;
    for (int i = 1; i <= n; ++i){
        cin >> l[i] >> r[i];
        ll x = l[i] % p;
        ll y = r[i] % p;
        if (r[i] - l[i] + 1 >= p){
            cout << p;
            exit(0);
        }
        if (x <= y){
            v.pb(mp(x, y));
        }
        else{
            v.pb(mp(x, p - 1));
            v.pb(mp(0, y));
        }
    }
    sort(v.begin(), v.end());
    ll ans = 0, nxt = -1;
    for (auto it : v){
        ll lf = it.f, rg = it.s;
        if (nxt < lf){
            ans += rg - lf + 1;
            nxt = rg;
        }
        else if (nxt <= rg){
            ans += rg - nxt;
            nxt = rg;
        }
    }
    cout << ans;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	5 ms	980 KB	Output is correct
3	Correct	5 ms	980 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	980 KB	Output is correct
17	Correct	43 ms	3828 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	324 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct

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	288 ms	32092 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	421 ms	31984 KB	Output is correct
3	Correct	392 ms	31832 KB	Output is correct
4	Correct	400 ms	31780 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	421 ms	31984 KB	Output is correct
3	Correct	392 ms	31832 KB	Output is correct
4	Correct	400 ms	31780 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	387 ms	31824 KB	Output is correct
7	Correct	397 ms	31868 KB	Output is correct
8	Correct	374 ms	31768 KB	Output is correct
9	Correct	418 ms	31800 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	421 ms	31984 KB	Output is correct
3	Correct	392 ms	31832 KB	Output is correct
4	Correct	400 ms	31780 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	40 ms	3784 KB	Output is correct
7	Correct	39 ms	3784 KB	Output is correct
8	Correct	40 ms	3736 KB	Output is correct
9	Correct	40 ms	3796 KB	Output is correct
10	Correct	41 ms	3756 KB	Output is correct
11	Correct	45 ms	3828 KB	Output is correct
12	Correct	40 ms	3784 KB	Output is correct
13	Correct	41 ms	3784 KB	Output is correct
14	Correct	37 ms	3784 KB	Output is correct
15	Correct	41 ms	3808 KB	Output is correct
16	Correct	41 ms	3744 KB	Output is correct
17	Correct	39 ms	3776 KB	Output is correct
18	Correct	386 ms	32164 KB	Output is correct
19	Correct	368 ms	31960 KB	Output is correct
20	Correct	415 ms	31740 KB	Output is correct
21	Correct	40 ms	3560 KB	Output is correct
22	Correct	35 ms	3520 KB	Output is correct
23	Correct	126 ms	12652 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	41 ms	3536 KB	Output is correct
3	Correct	41 ms	3496 KB	Output is correct
4	Correct	443 ms	31728 KB	Output is correct
5	Correct	40 ms	3536 KB	Output is correct
6	Correct	38 ms	3584 KB	Output is correct
7	Correct	43 ms	3588 KB	Output is correct
8	Correct	41 ms	3536 KB	Output is correct
9	Correct	41 ms	3504 KB	Output is correct
10	Correct	39 ms	3536 KB	Output is correct
11	Correct	41 ms	3576 KB	Output is correct
12	Correct	34 ms	3548 KB	Output is correct
13	Correct	39 ms	3536 KB	Output is correct
14	Correct	405 ms	31704 KB	Output is correct
15	Correct	40 ms	3536 KB	Output is correct
16	Correct	368 ms	31700 KB	Output is correct
17	Correct	387 ms	31744 KB	Output is correct
18	Correct	0 ms	212 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	5 ms	980 KB	Output is correct
3	Correct	5 ms	980 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	324 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	7 ms	980 KB	Output is correct
17	Correct	43 ms	3828 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	324 KB	Output is correct
20	Correct	1 ms	212 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	1 ms	212 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	288 ms	32092 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	421 ms	31984 KB	Output is correct
31	Correct	392 ms	31832 KB	Output is correct
32	Correct	400 ms	31780 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	387 ms	31824 KB	Output is correct
35	Correct	397 ms	31868 KB	Output is correct
36	Correct	374 ms	31768 KB	Output is correct
37	Correct	418 ms	31800 KB	Output is correct
38	Correct	1 ms	212 KB	Output is correct
39	Correct	40 ms	3784 KB	Output is correct
40	Correct	39 ms	3784 KB	Output is correct
41	Correct	40 ms	3736 KB	Output is correct
42	Correct	40 ms	3796 KB	Output is correct
43	Correct	41 ms	3756 KB	Output is correct
44	Correct	45 ms	3828 KB	Output is correct
45	Correct	40 ms	3784 KB	Output is correct
46	Correct	41 ms	3784 KB	Output is correct
47	Correct	37 ms	3784 KB	Output is correct
48	Correct	41 ms	3808 KB	Output is correct
49	Correct	41 ms	3744 KB	Output is correct
50	Correct	39 ms	3776 KB	Output is correct
51	Correct	386 ms	32164 KB	Output is correct
52	Correct	368 ms	31960 KB	Output is correct
53	Correct	415 ms	31740 KB	Output is correct
54	Correct	40 ms	3560 KB	Output is correct
55	Correct	35 ms	3520 KB	Output is correct
56	Correct	126 ms	12652 KB	Output is correct
57	Correct	0 ms	212 KB	Output is correct
58	Correct	41 ms	3536 KB	Output is correct
59	Correct	41 ms	3496 KB	Output is correct
60	Correct	443 ms	31728 KB	Output is correct
61	Correct	40 ms	3536 KB	Output is correct
62	Correct	38 ms	3584 KB	Output is correct
63	Correct	43 ms	3588 KB	Output is correct
64	Correct	41 ms	3536 KB	Output is correct
65	Correct	41 ms	3504 KB	Output is correct
66	Correct	39 ms	3536 KB	Output is correct
67	Correct	41 ms	3576 KB	Output is correct
68	Correct	34 ms	3548 KB	Output is correct
69	Correct	39 ms	3536 KB	Output is correct
70	Correct	405 ms	31704 KB	Output is correct
71	Correct	40 ms	3536 KB	Output is correct
72	Correct	368 ms	31700 KB	Output is correct
73	Correct	387 ms	31744 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	0 ms	324 KB	Output is correct
77	Correct	0 ms	328 KB	Output is correct
78	Correct	0 ms	324 KB	Output is correct
79	Correct	4 ms	1236 KB	Output is correct
80	Correct	501 ms	68900 KB	Output is correct
81	Correct	495 ms	68904 KB	Output is correct
82	Correct	441 ms	68968 KB	Output is correct
83	Correct	443 ms	68920 KB	Output is correct
84	Correct	446 ms	68920 KB	Output is correct
85	Correct	442 ms	68696 KB	Output is correct
86	Correct	132 ms	23624 KB	Output is correct
87	Correct	1 ms	332 KB	Output is correct

Submission #683682

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