Submission #484579

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
484579	2021-11-04T13:16:33 Z	CyberSleeper	Strange Device (APIO19_strange_device)	C++14	100 / 100	508 ms	53256 KB

strange_device

#include <bits/stdc++.h>
#define fastio      ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define debug(x)    cout << "Line " << __LINE__ << ", " << #x << " is " << x << endl
#define fi          first
#define se          second
#define mp          make_pair
#define pb          push_back
#define ll          long long
#define pll         pair<ll, ll>
#define ull         unsigned long long
#define ld          long double
#define pii         pair<ll, ll>
#define nl          '\n'
#define tb          '\t'
#define sp          ' '
using namespace std;

const ll MX=1000001, MOD=998244353, BLOCK=330, INF=1e9+7, INFF=2e18;
const ld ERR=1e-7, pi=3.14159265358979323846;

ll N, A, B, cyc, last=0, GCD;
vector<pll> L;

int main(){
    fastio;
    cin >> N >> A >> B;
    A/=__gcd(A, B+1ll);
    cyc=(INFF+A-1)/A;
    if(B>=cyc)
        cyc=INFF;
    else
        cyc=A*B;
    for(ll i=0, x, y; i<N; i++){
        cin >> x >> y;
        if(y-x+1>=cyc){
            L.pb({0, cyc-1});
        }else{
            x%=cyc;
            y%=cyc;
            if(x<=y)
                L.pb({x, y});
            else{
                L.pb({0, y});
                L.pb({x, cyc-1});
            }
        }
    }
    N=L.size();
    sort(L.begin(), L.end());
    ll ans=0;
    for(auto i:L){
        ll x=i.fi, y=i.se;
        if(y<last)
            continue;
        x=max(last, x);
        ans+=y-x+1;
        last=max(last, y+1);
    }
    cout << ans << nl;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	4 ms	972 KB	Output is correct
3	Correct	5 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	416 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	308 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	4 ms	1072 KB	Output is correct
17	Correct	41 ms	5692 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct

Subtask #2
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	316 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct

Subtask #3
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	289 ms	18036 KB	Output is correct

Subtask #4
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	382 ms	17448 KB	Output is correct
3	Correct	402 ms	19108 KB	Output is correct
4	Correct	368 ms	19108 KB	Output is correct

Subtask #5
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	382 ms	17448 KB	Output is correct
3	Correct	402 ms	19108 KB	Output is correct
4	Correct	368 ms	19108 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	373 ms	19036 KB	Output is correct
7	Correct	371 ms	19028 KB	Output is correct
8	Correct	388 ms	19092 KB	Output is correct
9	Correct	442 ms	53116 KB	Output is correct

Subtask #6
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	382 ms	17448 KB	Output is correct
3	Correct	402 ms	19108 KB	Output is correct
4	Correct	368 ms	19108 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	39 ms	5692 KB	Output is correct
7	Correct	53 ms	5692 KB	Output is correct
8	Correct	43 ms	5628 KB	Output is correct
9	Correct	38 ms	5696 KB	Output is correct
10	Correct	38 ms	5700 KB	Output is correct
11	Correct	42 ms	5716 KB	Output is correct
12	Correct	37 ms	5700 KB	Output is correct
13	Correct	43 ms	5688 KB	Output is correct
14	Correct	39 ms	5688 KB	Output is correct
15	Correct	41 ms	5636 KB	Output is correct
16	Correct	42 ms	5700 KB	Output is correct
17	Correct	40 ms	5628 KB	Output is correct
18	Correct	396 ms	19120 KB	Output is correct
19	Correct	403 ms	18980 KB	Output is correct
20	Correct	421 ms	19108 KB	Output is correct
21	Correct	56 ms	5692 KB	Output is correct
22	Correct	45 ms	5628 KB	Output is correct
23	Correct	118 ms	18456 KB	Output is correct

Subtask #7
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	45 ms	5564 KB	Output is correct
3	Correct	43 ms	5672 KB	Output is correct
4	Correct	497 ms	18936 KB	Output is correct
5	Correct	40 ms	5692 KB	Output is correct
6	Correct	40 ms	5632 KB	Output is correct
7	Correct	44 ms	5708 KB	Output is correct
8	Correct	46 ms	5696 KB	Output is correct
9	Correct	44 ms	5608 KB	Output is correct
10	Correct	48 ms	5688 KB	Output is correct
11	Correct	40 ms	5692 KB	Output is correct
12	Correct	35 ms	5696 KB	Output is correct
13	Correct	43 ms	5620 KB	Output is correct
14	Correct	417 ms	18856 KB	Output is correct
15	Correct	41 ms	5688 KB	Output is correct
16	Correct	442 ms	53180 KB	Output is correct
17	Correct	446 ms	53148 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #8
30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	4 ms	972 KB	Output is correct
3	Correct	5 ms	976 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	416 KB	Output is correct
8	Correct	0 ms	312 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	308 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	312 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	4 ms	1072 KB	Output is correct
17	Correct	41 ms	5692 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	316 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	1 ms	332 KB	Output is correct
28	Correct	289 ms	18036 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	382 ms	17448 KB	Output is correct
31	Correct	402 ms	19108 KB	Output is correct
32	Correct	368 ms	19108 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	373 ms	19036 KB	Output is correct
35	Correct	371 ms	19028 KB	Output is correct
36	Correct	388 ms	19092 KB	Output is correct
37	Correct	442 ms	53116 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	39 ms	5692 KB	Output is correct
40	Correct	53 ms	5692 KB	Output is correct
41	Correct	43 ms	5628 KB	Output is correct
42	Correct	38 ms	5696 KB	Output is correct
43	Correct	38 ms	5700 KB	Output is correct
44	Correct	42 ms	5716 KB	Output is correct
45	Correct	37 ms	5700 KB	Output is correct
46	Correct	43 ms	5688 KB	Output is correct
47	Correct	39 ms	5688 KB	Output is correct
48	Correct	41 ms	5636 KB	Output is correct
49	Correct	42 ms	5700 KB	Output is correct
50	Correct	40 ms	5628 KB	Output is correct
51	Correct	396 ms	19120 KB	Output is correct
52	Correct	403 ms	18980 KB	Output is correct
53	Correct	421 ms	19108 KB	Output is correct
54	Correct	56 ms	5692 KB	Output is correct
55	Correct	45 ms	5628 KB	Output is correct
56	Correct	118 ms	18456 KB	Output is correct
57	Correct	0 ms	204 KB	Output is correct
58	Correct	45 ms	5564 KB	Output is correct
59	Correct	43 ms	5672 KB	Output is correct
60	Correct	497 ms	18936 KB	Output is correct
61	Correct	40 ms	5692 KB	Output is correct
62	Correct	40 ms	5632 KB	Output is correct
63	Correct	44 ms	5708 KB	Output is correct
64	Correct	46 ms	5696 KB	Output is correct
65	Correct	44 ms	5608 KB	Output is correct
66	Correct	48 ms	5688 KB	Output is correct
67	Correct	40 ms	5692 KB	Output is correct
68	Correct	35 ms	5696 KB	Output is correct
69	Correct	43 ms	5620 KB	Output is correct
70	Correct	417 ms	18856 KB	Output is correct
71	Correct	41 ms	5688 KB	Output is correct
72	Correct	442 ms	53180 KB	Output is correct
73	Correct	446 ms	53148 KB	Output is correct
74	Correct	1 ms	204 KB	Output is correct
75	Correct	0 ms	204 KB	Output is correct
76	Correct	0 ms	204 KB	Output is correct
77	Correct	0 ms	204 KB	Output is correct
78	Correct	0 ms	204 KB	Output is correct
79	Correct	4 ms	976 KB	Output is correct
80	Correct	481 ms	53124 KB	Output is correct
81	Correct	470 ms	53080 KB	Output is correct
82	Correct	426 ms	53136 KB	Output is correct
83	Correct	426 ms	53256 KB	Output is correct
84	Correct	508 ms	53212 KB	Output is correct
85	Correct	434 ms	53208 KB	Output is correct
86	Correct	150 ms	18440 KB	Output is correct
87	Correct	0 ms	204 KB	Output is correct

Submission #484579

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