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답안 #232699

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
232699 2020-05-17T21:10:19 Z limabeans 이상한 기계 (APIO19_strange_device) C++17
100 / 100
 587 ms 69164 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl




typedef long long ll;
const ll mod = 1e9+7;
const int maxn = 1e6 + 5;



ll n, a, b;


ll getx(ll t) {
    return (t+t/b)%a;
}

ll gety(ll t) {
    return t%b;
}






ll merge(vector<pair<ll,ll>> v) {
    sort(v.begin(), v.end());
    // for (auto p: v) {
    // 	cout<<p.first<<" "<<p.second<<endl;
    // }
    
    ll res = 0;

    n = v.size();
    auto cur = v.front();
    for (int i=1; i<n; i++) {
	ll x=v[i].first;
	ll y=v[i].second;
	if (x>cur.second) {
	    res += cur.second-cur.first+1;
	    cur = v[i];
	} else {
	    cur.second=max(cur.second,y);
	}
    }
    res += cur.second-cur.first+1;
    return res;
}

vector<pair<ll,ll>> v;

int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    cin>>n>>a>>b;

    v.resize(n);
    for (int i=0; i<n; i++) {
	cin>>v[i].first>>v[i].second;
    }


    auto safe_lcm = [](ll x, ll y) {
	ll tmp = x / __gcd(x,y+1);
	if (tmp > 1e18/y) return (ll)1e18 + 1;
	return tmp*y;
    };

    ll lcm = safe_lcm(a, b);

    if (lcm>1e18) {
	//merge intervals
	ll res = merge(v);
	out(res);
    }



    vector<pair<ll,ll>> cv;
    
    for (int i=0; i<n; i++) {
	if (v[i].second-v[i].first+1>=lcm) out(lcm);


	
	v[i].first %= lcm;
	v[i].second %= lcm;
	if (v[i].second>=v[i].first) {
	    cv.push_back(v[i]);
	} else {
	    
	    assert(v[i].first>v[i].second);
	    
	    cv.push_back({v[i].first,lcm-1});
	    cv.push_back({0,v[i].second});
	}
    }




    ll ans = merge(cv);
    out(ans);  

    return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 10 ms 896 KB Output is correct
3 Correct 10 ms 896 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 10 ms 896 KB Output is correct
17 Correct 61 ms 5100 KB Output is correct
18 Correct 5 ms 384 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct

Subtask #3
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 378 ms 47456 KB Output is correct

Subtask #4
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 524 ms 47456 KB Output is correct
3 Correct 512 ms 47560 KB Output is correct
4 Correct 511 ms 47564 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 524 ms 47456 KB Output is correct
3 Correct 512 ms 47560 KB Output is correct
4 Correct 511 ms 47564 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 529 ms 47572 KB Output is correct
7 Correct 527 ms 47576 KB Output is correct
8 Correct 516 ms 47444 KB Output is correct
9 Correct 561 ms 47580 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 524 ms 47456 KB Output is correct
3 Correct 512 ms 47560 KB Output is correct
4 Correct 511 ms 47564 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 55 ms 5232 KB Output is correct
7 Correct 58 ms 5228 KB Output is correct
8 Correct 54 ms 5100 KB Output is correct
9 Correct 54 ms 5232 KB Output is correct
10 Correct 56 ms 5228 KB Output is correct
11 Correct 56 ms 5228 KB Output is correct
12 Correct 53 ms 5100 KB Output is correct
13 Correct 57 ms 5100 KB Output is correct
14 Correct 53 ms 5228 KB Output is correct
15 Correct 60 ms 5228 KB Output is correct
16 Correct 59 ms 5100 KB Output is correct
17 Correct 56 ms 5236 KB Output is correct
18 Correct 529 ms 47596 KB Output is correct
19 Correct 511 ms 47444 KB Output is correct
20 Correct 562 ms 47500 KB Output is correct
21 Correct 58 ms 5100 KB Output is correct
22 Correct 53 ms 5228 KB Output is correct
23 Correct 167 ms 16488 KB Output is correct

Subtask #7
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 58 ms 5100 KB Output is correct
3 Correct 60 ms 5228 KB Output is correct
4 Correct 584 ms 47560 KB Output is correct
5 Correct 57 ms 5100 KB Output is correct
6 Correct 61 ms 5220 KB Output is correct
7 Correct 57 ms 5100 KB Output is correct
8 Correct 64 ms 5228 KB Output is correct
9 Correct 60 ms 5228 KB Output is correct
10 Correct 59 ms 5104 KB Output is correct
11 Correct 58 ms 5100 KB Output is correct
12 Correct 55 ms 5100 KB Output is correct
13 Correct 58 ms 5100 KB Output is correct
14 Correct 557 ms 47584 KB Output is correct
15 Correct 59 ms 5100 KB Output is correct
16 Correct 524 ms 47520 KB Output is correct
17 Correct 509 ms 47428 KB Output is correct
18 Correct 4 ms 384 KB Output is correct

Subtask #8
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 10 ms 896 KB Output is correct
3 Correct 10 ms 896 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 4 ms 384 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 4 ms 384 KB Output is correct
16 Correct 10 ms 896 KB Output is correct
17 Correct 61 ms 5100 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 4 ms 384 KB Output is correct
23 Correct 4 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 378 ms 47456 KB Output is correct
29 Correct 4 ms 384 KB Output is correct
30 Correct 524 ms 47456 KB Output is correct
31 Correct 512 ms 47560 KB Output is correct
32 Correct 511 ms 47564 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 529 ms 47572 KB Output is correct
35 Correct 527 ms 47576 KB Output is correct
36 Correct 516 ms 47444 KB Output is correct
37 Correct 561 ms 47580 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 55 ms 5232 KB Output is correct
40 Correct 58 ms 5228 KB Output is correct
41 Correct 54 ms 5100 KB Output is correct
42 Correct 54 ms 5232 KB Output is correct
43 Correct 56 ms 5228 KB Output is correct
44 Correct 56 ms 5228 KB Output is correct
45 Correct 53 ms 5100 KB Output is correct
46 Correct 57 ms 5100 KB Output is correct
47 Correct 53 ms 5228 KB Output is correct
48 Correct 60 ms 5228 KB Output is correct
49 Correct 59 ms 5100 KB Output is correct
50 Correct 56 ms 5236 KB Output is correct
51 Correct 529 ms 47596 KB Output is correct
52 Correct 511 ms 47444 KB Output is correct
53 Correct 562 ms 47500 KB Output is correct
54 Correct 58 ms 5100 KB Output is correct
55 Correct 53 ms 5228 KB Output is correct
56 Correct 167 ms 16488 KB Output is correct
57 Correct 5 ms 384 KB Output is correct
58 Correct 58 ms 5100 KB Output is correct
59 Correct 60 ms 5228 KB Output is correct
60 Correct 584 ms 47560 KB Output is correct
61 Correct 57 ms 5100 KB Output is correct
62 Correct 61 ms 5220 KB Output is correct
63 Correct 57 ms 5100 KB Output is correct
64 Correct 64 ms 5228 KB Output is correct
65 Correct 60 ms 5228 KB Output is correct
66 Correct 59 ms 5104 KB Output is correct
67 Correct 58 ms 5100 KB Output is correct
68 Correct 55 ms 5100 KB Output is correct
69 Correct 58 ms 5100 KB Output is correct
70 Correct 557 ms 47584 KB Output is correct
71 Correct 59 ms 5100 KB Output is correct
72 Correct 524 ms 47520 KB Output is correct
73 Correct 509 ms 47428 KB Output is correct
74 Correct 4 ms 384 KB Output is correct
75 Correct 4 ms 384 KB Output is correct
76 Correct 4 ms 384 KB Output is correct
77 Correct 4 ms 384 KB Output is correct
78 Correct 4 ms 384 KB Output is correct
79 Correct 10 ms 1280 KB Output is correct
80 Correct 587 ms 69164 KB Output is correct
81 Correct 582 ms 67924 KB Output is correct
82 Correct 572 ms 67876 KB Output is correct
83 Correct 551 ms 68036 KB Output is correct
84 Correct 573 ms 67908 KB Output is correct
85 Correct 561 ms 68180 KB Output is correct
86 Correct 167 ms 28900 KB Output is correct
87 Correct 5 ms 384 KB Output is correct