Submission #561309

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
561309	2022-05-12T15:39:14 Z	baokhue232005	Strange Device (APIO19_strange_device)	C++14	100 / 100	474 ms	20672 KB

strange_device

/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")
*/
// lethal option

#include<bits/stdc++.h>
using namespace std;

#define all(flg) flg.begin(), flg.end()
#define int long long
#define pb push_back
#define fi first
#define se second
#define endl "\n"
#define eb emplace_back
#define ii pair<int, int>
#define PI 3.141592653589793238462643383279502884
#define ll long long
#define for1(i, ff, gg) for(int i = ff; i <= gg; ++i)
#define for2(i, ff, gg) for(int i = ff; i >= gg; --i)
const ll mod = 1e9 + 7;
const int maxN = 1000005;
const ll oo = 2e18 + 7;
int n, a[maxN];
int x, y, z, k;
ii pr[maxN];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> x >> y;
    x = (x / __gcd(x, y + 1));
    z = y * x;
    if(x < y) swap(x, y);
    if(oo / x <= y) z = oo;
    assert(z >= 0);
    set<ii> st;
    for1(i, 1, n){
        cin >> x >> y;
        if(y - x + 1 >= z){
            cout << z << endl;
            exit(0);
        }
        pr[i].fi = x % z;
        pr[i].se = y % z;
    }
    for1(i, 1, n){
        if(pr[i].fi > pr[i].se){
            ++n;
            pr[n].se = pr[i].se;
            pr[n].fi = 0;
            pr[i].se = z - 1;
        }
    }
    int lmx = -oo;
    sort(pr + 1, pr + n + 1);
    int ans = 0;
    for1(i, 1, n){
        lmx = max(lmx, pr[i].fi - 1);
        ans += max(0ll, pr[i].se - lmx);
        lmx = max(lmx, pr[i].se);
    }
    cout << ans << endl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	5 ms	468 KB	Output is correct
3	Correct	4 ms	468 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 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	468 KB	Output is correct
17	Correct	41 ms	1888 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	0 ms	340 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct

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	260 ms	15956 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	381 ms	15964 KB	Output is correct
3	Correct	369 ms	15948 KB	Output is correct
4	Correct	383 ms	15904 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	381 ms	15964 KB	Output is correct
3	Correct	369 ms	15948 KB	Output is correct
4	Correct	383 ms	15904 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	370 ms	15968 KB	Output is correct
7	Correct	369 ms	15856 KB	Output is correct
8	Correct	353 ms	15968 KB	Output is correct
9	Correct	403 ms	15852 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	381 ms	15964 KB	Output is correct
3	Correct	369 ms	15948 KB	Output is correct
4	Correct	383 ms	15904 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	54 ms	1760 KB	Output is correct
7	Correct	40 ms	1880 KB	Output is correct
8	Correct	36 ms	1900 KB	Output is correct
9	Correct	40 ms	1836 KB	Output is correct
10	Correct	37 ms	1816 KB	Output is correct
11	Correct	36 ms	1844 KB	Output is correct
12	Correct	35 ms	1856 KB	Output is correct
13	Correct	41 ms	1900 KB	Output is correct
14	Correct	38 ms	1804 KB	Output is correct
15	Correct	39 ms	1800 KB	Output is correct
16	Correct	40 ms	1788 KB	Output is correct
17	Correct	37 ms	1824 KB	Output is correct
18	Correct	384 ms	15940 KB	Output is correct
19	Correct	352 ms	15888 KB	Output is correct
20	Correct	406 ms	15932 KB	Output is correct
21	Correct	39 ms	1908 KB	Output is correct
22	Correct	36 ms	1796 KB	Output is correct
23	Correct	111 ms	5636 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	40 ms	1788 KB	Output is correct
3	Correct	38 ms	1876 KB	Output is correct
4	Correct	445 ms	15860 KB	Output is correct
5	Correct	38 ms	1868 KB	Output is correct
6	Correct	39 ms	1812 KB	Output is correct
7	Correct	38 ms	1828 KB	Output is correct
8	Correct	43 ms	1780 KB	Output is correct
9	Correct	40 ms	1864 KB	Output is correct
10	Correct	39 ms	1868 KB	Output is correct
11	Correct	38 ms	2004 KB	Output is correct
12	Correct	36 ms	1868 KB	Output is correct
13	Correct	39 ms	1884 KB	Output is correct
14	Correct	392 ms	16012 KB	Output is correct
15	Correct	38 ms	1812 KB	Output is correct
16	Correct	382 ms	15940 KB	Output is correct
17	Correct	359 ms	15964 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	0 ms	212 KB	Output is correct
2	Correct	5 ms	468 KB	Output is correct
3	Correct	4 ms	468 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	0 ms	340 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	340 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	0 ms	212 KB	Output is correct
13	Correct	0 ms	340 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	468 KB	Output is correct
17	Correct	41 ms	1888 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	0 ms	340 KB	Output is correct
20	Correct	0 ms	212 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	212 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	0 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	260 ms	15956 KB	Output is correct
29	Correct	0 ms	212 KB	Output is correct
30	Correct	381 ms	15964 KB	Output is correct
31	Correct	369 ms	15948 KB	Output is correct
32	Correct	383 ms	15904 KB	Output is correct
33	Correct	0 ms	212 KB	Output is correct
34	Correct	370 ms	15968 KB	Output is correct
35	Correct	369 ms	15856 KB	Output is correct
36	Correct	353 ms	15968 KB	Output is correct
37	Correct	403 ms	15852 KB	Output is correct
38	Correct	0 ms	212 KB	Output is correct
39	Correct	54 ms	1760 KB	Output is correct
40	Correct	40 ms	1880 KB	Output is correct
41	Correct	36 ms	1900 KB	Output is correct
42	Correct	40 ms	1836 KB	Output is correct
43	Correct	37 ms	1816 KB	Output is correct
44	Correct	36 ms	1844 KB	Output is correct
45	Correct	35 ms	1856 KB	Output is correct
46	Correct	41 ms	1900 KB	Output is correct
47	Correct	38 ms	1804 KB	Output is correct
48	Correct	39 ms	1800 KB	Output is correct
49	Correct	40 ms	1788 KB	Output is correct
50	Correct	37 ms	1824 KB	Output is correct
51	Correct	384 ms	15940 KB	Output is correct
52	Correct	352 ms	15888 KB	Output is correct
53	Correct	406 ms	15932 KB	Output is correct
54	Correct	39 ms	1908 KB	Output is correct
55	Correct	36 ms	1796 KB	Output is correct
56	Correct	111 ms	5636 KB	Output is correct
57	Correct	1 ms	212 KB	Output is correct
58	Correct	40 ms	1788 KB	Output is correct
59	Correct	38 ms	1876 KB	Output is correct
60	Correct	445 ms	15860 KB	Output is correct
61	Correct	38 ms	1868 KB	Output is correct
62	Correct	39 ms	1812 KB	Output is correct
63	Correct	38 ms	1828 KB	Output is correct
64	Correct	43 ms	1780 KB	Output is correct
65	Correct	40 ms	1864 KB	Output is correct
66	Correct	39 ms	1868 KB	Output is correct
67	Correct	38 ms	2004 KB	Output is correct
68	Correct	36 ms	1868 KB	Output is correct
69	Correct	39 ms	1884 KB	Output is correct
70	Correct	392 ms	16012 KB	Output is correct
71	Correct	38 ms	1812 KB	Output is correct
72	Correct	382 ms	15940 KB	Output is correct
73	Correct	359 ms	15964 KB	Output is correct
74	Correct	0 ms	212 KB	Output is correct
75	Correct	1 ms	212 KB	Output is correct
76	Correct	1 ms	212 KB	Output is correct
77	Correct	1 ms	336 KB	Output is correct
78	Correct	0 ms	340 KB	Output is correct
79	Correct	5 ms	852 KB	Output is correct
80	Correct	474 ms	20672 KB	Output is correct
81	Correct	451 ms	20624 KB	Output is correct
82	Correct	434 ms	20520 KB	Output is correct
83	Correct	413 ms	20556 KB	Output is correct
84	Correct	425 ms	20444 KB	Output is correct
85	Correct	418 ms	20484 KB	Output is correct
86	Correct	141 ms	18140 KB	Output is correct
87	Correct	0 ms	340 KB	Output is correct

Submission #561309

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