답안 #527031

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
527031 2022-02-16T20:05:28 Z Lobo 이상한 기계 (APIO19_strange_device) C++17
100 / 100
466 ms 53408 KB
#include<bits/stdc++.h>
using namespace std;
 
const long long inf = (long long) 2e18 + 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 gcdd(int a, int b) {
    if(b == 0) return a;
    a%=b;
    return gcdd(b,a);
}
 
void solve() {
    int n, a, b;
    cin >> n >> a >> b;
    int gc = gcdd(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 {
        // assert((a*b*q)%(b+1) == 0);
        m = ((a*q)/(b+1))*b;
    }
 
    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();
 
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 916 KB Output is correct
3 Correct 6 ms 848 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 4 ms 976 KB Output is correct
17 Correct 51 ms 3496 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 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 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 286 ms 16876 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 373 ms 17060 KB Output is correct
3 Correct 388 ms 17084 KB Output is correct
4 Correct 356 ms 17088 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 373 ms 17060 KB Output is correct
3 Correct 388 ms 17084 KB Output is correct
4 Correct 356 ms 17088 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 381 ms 16964 KB Output is correct
7 Correct 369 ms 17012 KB Output is correct
8 Correct 385 ms 17032 KB Output is correct
9 Correct 405 ms 17028 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 373 ms 17060 KB Output is correct
3 Correct 388 ms 17084 KB Output is correct
4 Correct 356 ms 17088 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 40 ms 4064 KB Output is correct
7 Correct 42 ms 4316 KB Output is correct
8 Correct 40 ms 4796 KB Output is correct
9 Correct 41 ms 5072 KB Output is correct
10 Correct 40 ms 5204 KB Output is correct
11 Correct 40 ms 5176 KB Output is correct
12 Correct 38 ms 5152 KB Output is correct
13 Correct 40 ms 5164 KB Output is correct
14 Correct 37 ms 5684 KB Output is correct
15 Correct 44 ms 5688 KB Output is correct
16 Correct 47 ms 5652 KB Output is correct
17 Correct 39 ms 5696 KB Output is correct
18 Correct 398 ms 53272 KB Output is correct
19 Correct 394 ms 53328 KB Output is correct
20 Correct 432 ms 53324 KB Output is correct
21 Correct 42 ms 5688 KB Output is correct
22 Correct 38 ms 5628 KB Output is correct
23 Correct 120 ms 18476 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 43 ms 4788 KB Output is correct
3 Correct 42 ms 4916 KB Output is correct
4 Correct 426 ms 17064 KB Output is correct
5 Correct 40 ms 4544 KB Output is correct
6 Correct 40 ms 5840 KB Output is correct
7 Correct 40 ms 5676 KB Output is correct
8 Correct 42 ms 5632 KB Output is correct
9 Correct 41 ms 5588 KB Output is correct
10 Correct 43 ms 5672 KB Output is correct
11 Correct 42 ms 5684 KB Output is correct
12 Correct 37 ms 5688 KB Output is correct
13 Correct 43 ms 5872 KB Output is correct
14 Correct 394 ms 17012 KB Output is correct
15 Correct 43 ms 5688 KB Output is correct
16 Correct 391 ms 53392 KB Output is correct
17 Correct 385 ms 53176 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 6 ms 916 KB Output is correct
3 Correct 6 ms 848 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 316 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 316 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 208 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 4 ms 976 KB Output is correct
17 Correct 51 ms 3496 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 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 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 2 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 2 ms 332 KB Output is correct
28 Correct 286 ms 16876 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 373 ms 17060 KB Output is correct
31 Correct 388 ms 17084 KB Output is correct
32 Correct 356 ms 17088 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 381 ms 16964 KB Output is correct
35 Correct 369 ms 17012 KB Output is correct
36 Correct 385 ms 17032 KB Output is correct
37 Correct 405 ms 17028 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 40 ms 4064 KB Output is correct
40 Correct 42 ms 4316 KB Output is correct
41 Correct 40 ms 4796 KB Output is correct
42 Correct 41 ms 5072 KB Output is correct
43 Correct 40 ms 5204 KB Output is correct
44 Correct 40 ms 5176 KB Output is correct
45 Correct 38 ms 5152 KB Output is correct
46 Correct 40 ms 5164 KB Output is correct
47 Correct 37 ms 5684 KB Output is correct
48 Correct 44 ms 5688 KB Output is correct
49 Correct 47 ms 5652 KB Output is correct
50 Correct 39 ms 5696 KB Output is correct
51 Correct 398 ms 53272 KB Output is correct
52 Correct 394 ms 53328 KB Output is correct
53 Correct 432 ms 53324 KB Output is correct
54 Correct 42 ms 5688 KB Output is correct
55 Correct 38 ms 5628 KB Output is correct
56 Correct 120 ms 18476 KB Output is correct
57 Correct 0 ms 204 KB Output is correct
58 Correct 43 ms 4788 KB Output is correct
59 Correct 42 ms 4916 KB Output is correct
60 Correct 426 ms 17064 KB Output is correct
61 Correct 40 ms 4544 KB Output is correct
62 Correct 40 ms 5840 KB Output is correct
63 Correct 40 ms 5676 KB Output is correct
64 Correct 42 ms 5632 KB Output is correct
65 Correct 41 ms 5588 KB Output is correct
66 Correct 43 ms 5672 KB Output is correct
67 Correct 42 ms 5684 KB Output is correct
68 Correct 37 ms 5688 KB Output is correct
69 Correct 43 ms 5872 KB Output is correct
70 Correct 394 ms 17012 KB Output is correct
71 Correct 43 ms 5688 KB Output is correct
72 Correct 391 ms 53392 KB Output is correct
73 Correct 385 ms 53176 KB Output is correct
74 Correct 1 ms 204 KB Output is correct
75 Correct 1 ms 316 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 312 KB Output is correct
79 Correct 4 ms 972 KB Output is correct
80 Correct 466 ms 53408 KB Output is correct
81 Correct 457 ms 53248 KB Output is correct
82 Correct 433 ms 53256 KB Output is correct
83 Correct 415 ms 53284 KB Output is correct
84 Correct 424 ms 53260 KB Output is correct
85 Correct 417 ms 53240 KB Output is correct
86 Correct 123 ms 18468 KB Output is correct
87 Correct 0 ms 204 KB Output is correct