답안 #527023

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
527023	2022-02-16T19:55:47 Z	Lobo	이상한 기계 (APIO19_strange_device)	C++17	30 / 100	450 ms	47268 KB

strange_device

#include<bits/stdc++.h>
using namespace std;
 
const long long inf = (long long) 4e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
 
#define maxn 

int gcd(int a, int b) {
    if(b == 0) return a;
    a%=b;
    return gcd(b,a);
}
 
void solve() {
    int n, a, b;
    cin >> n >> a >> b;
    int gc = gcd(a,b+1);
    int q = (b+1)/gc;
    int m;
    if(log2(a) + log2(b) + log2(q) - log2(b+1) > log2(inf)) m = inf;
    else m = (a*b*q)/(b+1);

    int af = 2;
    if(m == inf) {
        af = 1000000;
    }
    map<int,int> asdf[af];
 
    vector<pair<int,int>> lr;
 
    for(int i = 1; i <= n; i++) {
        int l, r; cin >> l >> r;
 
        if(r-l+1 >= m) {
            lr.pb(mp(0,m-1));
        }
        else if(l/m != r/m) {
            //terminam em cantos diferentes
            l%= m;
            r%= m;
            //colocar l,m-1 e 0,r
            lr.pb(mp(l,m-1));
            lr.pb(mp(0,r));
        }
        else {
            l%= m;
            r%= m;
            lr.pb(mp(l,r));
        }
    }
 
    sort(all(lr));
 
    int l = 0;
    int r = -1;
    int ans = 0;
    for(auto x : lr) {
        int l1 = x.fr;
        int r1 = x.sc;

 
        if(l1 > r) {
            //conta o lr anterior e comeca um novo
            ans+= r-l+1;
            l = l1;
            r = r1;
        }
        r = max(r,r1);
    }
 
    ans+= r-l+1;
    cout << ans << endl;
 
 
}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(0);
 
    // freopen("in.in", "r", stdin);
    //freopen("out.out", "w", stdout);
 
    int tt = 1;
    // cin >> tt;
    while(tt--) solve();
 
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	6 ms	592 KB	Output is correct
3	Correct	4 ms	588 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	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	4 ms	608 KB	Output is correct
17	Correct	41 ms	2504 KB	Output is correct
18	Correct	28 ms	47180 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	1 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	26 ms	47268 KB	Output is correct

Subtask #3
5.0 / 5.0

#	결과	실행 시간	메모리	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	280 ms	16740 KB	Output is correct

Subtask #4
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	403 ms	16792 KB	Output is correct
3	Correct	398 ms	16816 KB	Output is correct
4	Correct	418 ms	16792 KB	Output is correct

Subtask #5
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	403 ms	16792 KB	Output is correct
3	Correct	398 ms	16816 KB	Output is correct
4	Correct	418 ms	16792 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	388 ms	16776 KB	Output is correct
7	Correct	389 ms	16848 KB	Output is correct
8	Correct	362 ms	16816 KB	Output is correct
9	Correct	406 ms	16864 KB	Output is correct

Subtask #6
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	403 ms	16792 KB	Output is correct
3	Correct	398 ms	16816 KB	Output is correct
4	Correct	418 ms	16792 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	36 ms	2380 KB	Output is correct
7	Correct	40 ms	2504 KB	Output is correct
8	Correct	41 ms	2412 KB	Output is correct
9	Correct	42 ms	2408 KB	Output is correct
10	Correct	44 ms	2504 KB	Output is correct
11	Correct	47 ms	2404 KB	Output is correct
12	Correct	36 ms	2504 KB	Output is correct
13	Incorrect	34 ms	2492 KB	Output isn't correct
14	Halted	0 ms	0 KB	-

Subtask #7
0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	43 ms	2428 KB	Output is correct
3	Correct	41 ms	2464 KB	Output is correct
4	Correct	450 ms	17036 KB	Output is correct
5	Incorrect	32 ms	2504 KB	Output isn't correct
6	Halted	0 ms	0 KB	-

Subtask #8
0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	6 ms	592 KB	Output is correct
3	Correct	4 ms	588 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	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	4 ms	608 KB	Output is correct
17	Correct	41 ms	2504 KB	Output is correct
18	Correct	28 ms	47180 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	0 ms	204 KB	Output is correct
23	Correct	26 ms	47268 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	280 ms	16740 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	403 ms	16792 KB	Output is correct
31	Correct	398 ms	16816 KB	Output is correct
32	Correct	418 ms	16792 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	388 ms	16776 KB	Output is correct
35	Correct	389 ms	16848 KB	Output is correct
36	Correct	362 ms	16816 KB	Output is correct
37	Correct	406 ms	16864 KB	Output is correct
38	Correct	0 ms	204 KB	Output is correct
39	Correct	36 ms	2380 KB	Output is correct
40	Correct	40 ms	2504 KB	Output is correct
41	Correct	41 ms	2412 KB	Output is correct
42	Correct	42 ms	2408 KB	Output is correct
43	Correct	44 ms	2504 KB	Output is correct
44	Correct	47 ms	2404 KB	Output is correct
45	Correct	36 ms	2504 KB	Output is correct
46	Incorrect	34 ms	2492 KB	Output isn't correct
47	Halted	0 ms	0 KB	-

답안 #527023

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